2003 GMC Sierra 1500 Pickup Owner's Manual
2003 GMC Sierra 1500 Pickup Manual
2003 GMC Sierra 1500 Pickup manual content summary:
- 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 1
- 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 2
The 2003 GMC Sierra Owner Manual Seats and Restraint Systems ...1-1 Front Seats ...1-3 ...1-8 Rear Seats Safety Belts ...1-10 Child Restraints ...1-32 ...1-61 Air Systems Bag Restraint System Check ...1-79 Features Controls and ...2-1 Keys ...2-3 Doors Locks and ...2-8 Windows ...2-15 Theft- - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 3
, the GMC Truck Emblem and the name SIERRA are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles first sold in Canada, substitute the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 4
tellyou aboutthings to that could hurt you if you were ignore the warning. to You will also find a circle with a slash through it in this book. This safety symbol means "Don't,'' "Don't do this" or "Don't let this happen." These mean there is something that could hurt you or other people - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 5
. Many times, this damage would not be covered by your warranty, and it could be costly. But the notice will tell you what to do to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different colors or in different words. You'll also see - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 6
DO NOT INSTALL A FORWARD-FACING CHILD RESTRAINT IN THIS SEATING POSITION AVOID SPARKS OR FLAMES SPARK OR FLAME COULD EXPLODE BATTERY DAYTIME RUNNING LAMPS ' 0 Y% " .e. a a OWNER'S MANUAL SERVICE ENGINE OIL PRESSURE \Ir4 POWER WINDOW I LAMPS $0 ANTI-LOCK BRAKES ( ) @ SERVICE MANUAL i V - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 7
Model Reference This manual covers these models: Regular Cab Pickup Extended Cab Pickup Chassis Cab Crew Cab@ vi - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 8
Securing a Child Restraint in the Center Front Seat Position ...1-54 Securing a Child Restraint in the Right Front Seat Position ...1-54 Air Bag Systems ...Where Are the Air Bags? ...When Should an Air Bag Inflate? ...What Makes an Air Bag Inflate? ...How Does an Air Bag Restrain? ...1-61 1-63 1-64 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 9
Restraint Systems Restraint System Check ...1.79 Checking Your Restraint Systems ...1-79 Replacing Restraint System Parts After a Crash ...1-80 What Will You See After an Air Bag Inflates? ...1-67 Air Bag Off Switch ...1-68 Passenger Sensing System ...1.74 Servicing Your Air Bag-Equipped Vehicle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 10
Front Seats Manual Seats You can lose control of the veh.,.e if you try to adjust a manual driver's seat while the vehicle is has a manual bucket or a split bench seat, you can adjust it with this lever located at the front of the seat. Lift the lever to unlock the seat. Using your body, slide - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 11
the side wing area of the lower seatback for more lateral support. To increase or decrease support, press and hold the top or bottom of the control. Let go of the control when the lower seatback reaches the desired level of support. Raise or lowerthe rear of the seatcushion by raising or lowering - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 12
control .the driver's heated seat is located on the driver's door panel. The button used to control the indicator light on the button will glow to designate that only the seatback is being heated. The engine must adjust the front seatback, lift the manual lever located on the outboard side of the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 13
Sitting in a reclined position when your vehicle is in motion can be dangerous. Even if you buckle up, your safety belts can't do their job when you're reclined like this. The shoulder belt can't do itsjob. In a crash, you could go intoit, receiving neck or other injuries. The lap belt can't do its - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 14
the head restraint pull up on the head restraint. On some models the head restraints tilt forward and rearward also. To fold a front seatback forward, lift the lever at the base of the seat to release the seatback. The lever is located on the outboard side of the seat cushion. To - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 15
Rear Seats Rear Seat Operation (Extended Cab) Folding the Rear Seat 2. Fold the seat cushion upward until it latches with the seatback. 3. Push and pull on the seat to make sure the seat is secure. The extended cab's rear seat can also be folded open for more seating space. To use the seat do the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 16
following: To return the seat to the passenger position do the following: 1. Lift the seatback up and push it rearward all the way. 2. Lower the seat is securely in place. Check to see that the buckles on the driver's side seatback are accessible to the outboard and center occupant and are not under - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 17
Safety Belts: They Are for Everyone This part of the manual tells you how to use safety belts properly buckled up. Always fasten your safety belt, and check that your passengers' belts are fastened properly too. Your vehicle has a light that comes on as a reminder to buckle up. See Safety - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 18
In most states and in all Canadian provinces, the law says to wear safety belts. Here's why: They work. You never know if you'll be in a crash. If you do have a crash, you don't know if it will be a bad one. Why Safety Belts Work When you ride in or on anything, you go as fast as it goes. A few - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 19
uo aUOaUlOS ltld - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 20
- 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 21
get out, is much greater if you are belted. Q: If my vehicle has air bags, why should wear safety belts? or the safety belts! With safety belts, the forces. That's why safety belts make such good sense. I have to A: Air bags are in many vehicles today and will be in most of them in the future - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 22
wear safety belts? How to Wear Safety Belts Properly This part is only for people of adult size. Be aware that there are special things to know about be hurt. Being a good driver doesn't protect you from things beyond your control, such as bad drivers. Most accidents occur within 25 miles (40 km) - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 23
Driver Position This part describes the driver's restraint system. 3. Pick up the latch plate and pull the belt across you. Don't let it get twisted. Lap-Shoulder Belt The - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 24
of the belt as you pull up on the shoulder belt. The lap part of the belt should be worn low and snug on the hips, injuries. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks if there's - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 25
shol er belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should fit against your body. A: The shoulder belt is too loose. It won't give nearly as much protection this way. 1-18 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 26
Q: What's wrong with this? '. u can be seriously injured if y x belt is , - buckled in the wrong place like this. In a crash, the belt would go up over your abdomen. The belt forces would be there, not at the pelvic bones. This could cause serious internal injuries. Always buckle your belt into the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 27
Q: What's wrong with this? You can be seriously injured if your belt goes over an armrest like this. The belt would be much too high. In a crash, you can slide under the belt. The belt force would then be applied at the abdomen, not at the pelvicbones, and that could cause serious or fatal - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 28
Q: What's wrong with this? You can be s,..ously injured if you wea. ,he shoulder belt under your arm. In a crash, your body would move too far forward, which would increase the chance of head and neck injury. Also, the belt would apply too much force to the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 29
. If a belt is twisted, make it straight so it can work properly, or ask your dealer to fix it. A: The belt is twisted across the body. 1-22 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 30
Safety Belt Use During Pregnancy Safety belts work for everyone, including pregnant women. Like all occupants, they are more likely to be seriously injured if they don't wear safety belts. To unlatch the belt, just push the button on the buckle. The belt should go back out of the way. Before you - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 31
engage the chiid restraint locking feature which may turn off the passenger's frontal air bag. If this happens unintentionally, just let the belt go back all front and rear bench seats, someone can sit in the center positions. When sit you in the center rear seat position of a crew cab you have a lap - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 32
seat position of an extended cab or in the center front seat position of either a crew cab or anextended cab,you have a lap belt. Your lap safety belt has no retractor. To make the belt - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 33
Rear Seat Passengers It's very important for rear seat passengers to buckle up! Accident statistics show that unbelted people in the rear seat are hurt more often in crashes than those who are wearing safety belts. Rear passengers who aren't safety belted can be thrown out of the vehicle in a crash. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 34
on the buckle is positioned so you would be able to unbuckle the safety belt quickly if you ever had to. 3. To make the lap part tight, pull down on the buckle end of the belt as you pull up on the shoulder - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 35
at your abdomen. This could cause serious or even fatal injuries. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The safety belt locks if there's a sudden stop or a crash. 1-28 The safety belt also locks - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 36
the belt away from the neck and head. There is one guide available for each outside passenger in the rear seat. Here's how to install a comfort guide and use the safety belt: 4 - 1. Remove the guide from its storage clip on the interior body. To unlatch the belt, just push the button on the buckle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 37
os- c I - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 38
belt as described in Rear Seat Passengers on page 1-26. Make sure that the shoulder belt crosses the shoulder. To remove and store the comfort guides, squeeze the belt edges together so that you can take them out of the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 39
Child Restraints Older Children Q: What is the proper way to wear safety belts? A: If possible, an older child should wear a lap-shoulder belt and get the additional restraint a shoulder belt can provide. The shoulder belt should not cross the face or neck. The lap belt should fit snugly below the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 40
the child is sitting in a rear outside seat position, move the child toward the center of the vehicle. See Rear Safety Belt Comfort Guides for Children and Small Adults on page 7-29. If the child is sitting in the center rear seat position of a crew cab, move the child toward the safety belt - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 41
is sitting in aseat that has a lap-shoulder belt, but the shoulder part is CAUTION: (Continued) I Everyone in a vehicle needs protection! This includes and all other children. Neither the distance traveled nor the age and size of the traveler changes the need, for everyone, to use safety restraints - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 42
For example, in a crash at only 25 mph (40 km/hj, a 12-115. (5.5 kg) baby will suddenly become a 240-lb. (110 kg) force on a person's arms. A baby should be secured in an appropriate restraint. . 1-35 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 43
children and infants. Neither the vehicle's safety belt system nor its air bag system is designed for them. Young children and infants need it meets federal motor vehicle safety standards. The restraint manufacturer's instructions that come with the restraint state the weight and height limitations - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 44
support for the head and neck. This is necessary because a newborn infant's neck is weak and its head weighs so much compared with the rest ofits body. In a crash, an infant in a rear-facing seat settles into the restraint, so the crash forces can be distributed across the strongest part of - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 45
Child Restraint Systems An infant car bed (A), a special bed made for use in a motor vehicle, is an infant restraint system designed to restrain or position a child on a continuous flat surface. Make sure that the infant's head rests toward the center of the vehicle. A rear-facing infant seat (B) - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 46
I A forward-facing child seat (C-E) provides restraint for the child's body with the harness and also sometimes with surfaces such as T-shaped or shelf-like shields. A booster seat (F-G) is a child restraint designed to improve the fit - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 47
child restraint system is a permanent part of the motor vehicle. An attached to a flat pad which rests low against the child's body. A shelf- or instructions that come with the restraint which may be on the restraint itself or in a booklet, or both, and to this manual. The child restraint instructions - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 48
restraint would be very close to the inflating bag. Be sure the air air bag is off before using a rear-facing child restraint in the right position of an extended cab model, especially in the rear center position, be sure to study the instructions that came with your child restraint to see if there - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 49
a Child Restraint in the Right Front Seat Position on page 1-54,and Air Bag Off Switch on page 1-68 for more on this including important safety instructions for your child restraint. If yours requires that the top strap be anchored, don't use the restraint unless it is anchored properly. In Canada, - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 50
the top strap anchored, you'll be ready to secure the child restraint itself. Tighten the top strap when and as the child restraint manufacturer's instructions say. Top Strap Anchor Location Right Front Passenger Position Top Strap Anchor (All Models) You'll find the top strap anchor for the right - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 51
order to get to the anchor, you'll have to remove the trim plug covering it. Once you have the top strap anchored, you'll be ready to restraint itself. Tighten the top strap when and as the child restraint manufacturer's instructions say. If your vehicle is an extended cab model, you'll find the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 52
Then, attach the top strap to the anchor point at the center rear seating position. When using a child restraint with a top strap in the center rear position, route the top strap through the fabric loop on the the top strap when and as the child restraint manufacturer's instructions say. 1-45 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 53
anchor behind and to the bottom of the seat to secure the top strap. For rear center seat positions, there is an anchor near the driver's side rear seat head restraint. To 'll have to remove the trim plugs covering them. There are also anchorage points at the rear base o the f front passenger's seat. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 54
In order to use the system, you need either a forward-facing child restraint that has attaching points (B) at its base and a top tether anchor (C), or a rear-facing child restraint that has attaching points (B), as shown here. 1-47 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 55
vehicle's safety belts to secure the restraint. See "Securing a Child Restraint Designed for the LATCH System", "Securing a Child Restraint in the Center Front Seat Position", "Securing a Child Restraint in the Right Front Seat Position" or "Securing a Child Restraint in aCenter Rear Seat Position - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 56
-facing, attach the top strap to the top strap anchor. See Top Strap on page 1-42. Tighten the top strap according to the child restraint instructions. 5. Push and pull the child restraint in different directions to be sure it is secure. To remove the child restraint, simply unhook the top strap - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 57
2. Pick up the latch plate and run the lap and shoulder portions of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 3. Buckle the belt. Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 58
4. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 5. To tighten the belt, feed the shoulder belt back into the retractor while you push down on the child restraint. If you're using a forward-facing child restraint, you may find it helpful to use your knee to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 59
model. If you want to secure a child restraint in a rear seat position of an extended cab model, especially in the rear center seat position, be sure to study the instructions that came with your child restraint to see if there is enough room to secure your seat properly. When you secure a child - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 60
pulling it along the belt. 2. Put the restraint on the seat. 3. Run the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 4. Buckle the belt. Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 61
important safety information. Never put a rear facing child restraint in the right front passenger seat unless the air bag is off. Here's \n : Securing a Child Restraint in the Center Front Seat Position Don't use child restraints in this position. The restraints won't work properly. 1-54 A child - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 62
on page 1-68 for more on this, including important safet\/ hformation. certain conditions, no system is fail-safe, and no one can guarantee that air bag will not an deploy under some unusual circumstance, even though it is turned off. General Motors therefore recommends that rear-facing child - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 63
, always move the passenger seat as far back as it will go. In addition to the AIR BAG OFF switch, your vehicle may have the passenger sensing system. The passenger sensing system is before securing a forward-facing child restraint. See Manual Seats on Dage 1-3 or Power Seats on page 1-4. 1-56 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 64
instructions say. If the bag air readiness light in t k 'ment panel cluster ever comes on when you have turned off the air bag, it means that something may be wrong with the air bag system. The right front passenger's air Manual Seats on page 1-3 or Power Seats on page 1-4. In addition to the AIR - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 65
33 CDCD - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 66
the safety belt and perform the steps to install the rear-facing restraint again. If the air bag still doesn't turn off, for regular cab models and extended cab models, check to make sure the AIR BAG OFF switch has been turned to the off position or install the infant restraint in a rear - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 67
seat, it means that the passenger sensing system has not turned off the passenger's frontal airbag. A child in a rear-facing child restraint can be seriously injured or killed if the right front passenger's air bag inflates. This is because the back of the rear-facing child restraint would be very - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 68
Bag Systems This part explains the air bag system. Your vehicle has air bags - one air bag for the driver and another air bag for the right front passenger. Frontal air bags are designed to help reduce the risk of injury from the force of an inflating frontal air bag. But these air bags must inflate - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 69
to an inflating air bag, as you air bags. The driver shouldsit as far back as possible while still maintaining control of the vehicle. Anyone who is up against, or very close to, any air bag when it inflates can be seriously injured or killed. Air system nor its air bag system is designed - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 70
r There is an air bag readiness light on the instrument panel cluster, which shows the air bag symbol. Where Are the Air Bags? The system checks the air bag electrical system for malfunctions. The light tells you if there is an electrical problem. See Air Bag Readiness Light on page 3-33 for more - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 71
attach or put anything on the steering wheel hub or on or near any other air bag covering. When Should an Air Bag Inflate? The right front passenger's air bag is in the instrument panel on the passenger's side. An air bag is designed to inflate in a moderate to severe frontal, or near-frontal crash - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 72
or below this range. If your vehicle strikes something that will move or deform, such as a parked car, the threshold level will be higher. The air bag is not designed to inflate in rollovers, rear impacts, or in many side impacts because inflation would not help the occupant. Single Stage vs - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 73
Air bags supplement the protection provided by safety belts. Air bags distribute the force of the impact more evenly over the occupant's upper body, stopping the occupant more gradually. But air the air bag. The inflator, air bag, and related hardware are all part of the air bag modules inside - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 74
deflated airbags. Air bag air bag modules and possibly other parts. The service manual for your vehicle covers the need to replace other parts. When an air bag inflates, there is dust in the air. This dust could cause breathing problems for people with a history of asthma or other breathing trouble - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 75
't work properly. See your dealer for service. Notice: If you damage the covering for the driver's or the right front passenger's airbag, the bag may not work properly.You may have to replace the air bag module in the steering wheel or both the air bag module and the instrument panel for the right - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 76
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for the child to ride in the front seat so that the driver can constantly monitor the child's condition. Canada without Passenger Sensing System This switch should only be turned to AIR BAG OFF if the person in the right front passenger's position is a member of a passenger risk group identified by - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 78
or windshield in a crash. United States with Passenger Sensing System United States without Passenger Sensing System e is If the right front passenger's air bag turned off for a person whoisn't in a risk group identified by the national government, that person won't have the extra protection of - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 79
-facing child restraint in your vehicle) until you have your vehicle serviced. To turn off the right front passenger's air bag, insert your ignition key into the switch, push in, and move the switch to the off position. The AIR BAG OFF light will come on to let you know that the right front - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 80
United States with Passenger Sensing System United States without Passenger Sensing System Canada with Passenger Sensing System Canada without Passenger Sensing System To turn the right front passenger's air bag on again. insert your ignition key into the switch, push in, and move the switch to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 81
not have the passenger sensing system. Passenger Air Bag Status Indicator - Canada The passenger sensing system will turn off the right front passenger's frontal air bag under certain conditions. The driver's air bag and the side air bags are not part of the passenger sensing system. In addition - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 82
air bag off switch is in the off position or if there is a critical problem with the air bag Position on page 1-54 of this manual. If after reinstalling the child restraint air bag off switch, the off indicator will light and stay lit to remind you that the air bag is off. If a person of adult-size - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 83
, centered on serviced promptly, because an adult-size person sitting in the right front passenger's seat may not have the protection of the frontal air bag. See "Air Bag Readiness Light" in the Index for more on this, including important safety information. Aftermarket equipment, such as seat covers - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 84
- 0 1 m..-_rte after the igni n key is turned off and the battery is disconnected, an air bag can still inflate during improper service. You can be injured if you are close to an air bag when it inflates. Avoid yellow connectors. They are probably part of the air bag system. Be sure to follow proper - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 85
? A: Yes. If you add things that change your vehicle's frame, bumper system, front end sheet metal or height, they may keep the air bag system from working properly. Also, the air bag system may not work properly if you relocate any of the air bag sensors. If you have any questions about this, you - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 86
light and all your belts, buckles, latch plates, retractors and anchorages are working properly. Look any other for loose or damaged safety belt system parts. for any opened or broken air bag covers, and have them repaired or replaced. (The air bag system does not need regular maintenance.) 1 -79 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 87
Parts Ac*er a Crash If you've had a crash, do you need new belts or LATCH system parts? After avery minor collision, nothing may be necessary. But if the belts were stretched, as they would be if worn during a more severe crash, then you need new parts seat parts repaired or replaced. New parts and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 88
Section 2 Features and Controls Engine Coolant Heater ...2.25 Automatic Transmission Operation ...2-26 Manual Transmission Operation ...2-30 Four-wheel Drive ...2.35 Parking Brake ...2.44 Shifting Into Park (P) ...2-45 Shifting Out of Park (P) ...2-48 Parking Your Vehicle ...2-48 Parking Over - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 89
Section 2 Features and Controls 2.63 2.63 2.66 2.66 2.67 2.67 Cupholder(s) ...Outside Curb View Assist Mirrors ...2-60 Center Overhead Console ...Outside Convex Mirror ...2.60 Front Storage Area ...Outside Heated Mirrors ...2.60 2.61 Center Console Storage Area ...Onstar@ System ...2.63 Vehicle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 90
Keys Leaving children in a vehicle with the ignition key is dangerous for many reasons. A child or others could be badly injured or even killed. They could operate the power windows or other controls or even make the vehicle move. Don't leave the keys in a vehicle with children. I 2-3 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 91
radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry Canada. This device complies with Part a lot of trouble getting into your spare keys. an authorized service facility could void authorization the GM Roadside Assistance Center. See Roadside Assistance Program - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 92
Check to determine if battery replacement or resynchronization is necessary. See "Battery Replacement" and "Resynchronization" under Remote Keyless Entry System Operation on page 2-5. If you are still having trouble, see your dealer or a qualified technician for service the interior lights will come - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 93
, any remaining transmitters must also be matched. Once your dealer has coded the new transmitter, the lost transmitter will not unlock your vehicle. to change the battery. Notice: Whenreplacing the battery,usecarenotto touch any of the Static from your body transferred to these surfaces may damage the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 94
near the key ring hole. Remove the bottom by twisting the dime. 2. Remove and replace the battery with a three-volt CR2032 or equivalent battery, positive (+) side up. 3. Align the covers and snap them together. 4. Resynchronize the transmitter. 5. Check the operation of the transmitter. 2-7 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 95
Door9 m d Locks m . i There are several ways to lock and unlock your vehicle. You can use the keyless entry system (if equipped). You can also use your key. To lock the door from the inside, slide the lever rearward. To unlock the door, slide the lever forward. Unlocked doors can be dangerous. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 96
power door locks will also automatically lock when the vehicle is out of PARK (P), or for manual transmission, when the vehicle reaches 8 mph (24 km/h). To unlock the doors, refer to the instructions listed previously. The automatic locking feature can be disabled, if you prefer. See Programmable - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 97
select once the vehicle is in PARK (P). If your vehicle has a manual transmission it left the factory programmed to lock all doors when the vehicle speed select once the key removed is from the ignition. The following instructions detail how to program your door locks. Five seconds after the last - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 98
unlock side twice. 3. You are now ready to program the automatic door locks. Select one of the following four programming options and follow the instructions. You will have thirty seconds to complete programming. If you exceed the thirty-second limit, the locks will automatically lock and unlock to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 99
Rear Door Security Locks (Crew Cabs) With this feature, you can lock the rear side doors so that they cannot be opened from the inside by passengers. 3. To engage the rear door security lock, move the lever forward. 4. To disengage the lock, move the lever rearward. 5. Close the door. 6. Do the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 100
handle located on the inside of the rear access Youmustfullyclose a rearaccessdoor close the front door. before you can Tailgate You can open the tailgate by lifting up on its handle while pulling the tailgate toward you. To shut the tailgate, firmly push it upward until it latches. After you put - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 101
vehicle. To remove the tailgate, do the following: 1. Raise the tailgate slightly and release both retaining cable clips. To release the retaining cable clips, lift the cable so it points straight out and push the cable clip forward. 2. With the tailgate at a slight upward angle, pull back on the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 102
Windows Leaving children in a vehicle with the windows closed is dangerous. A child can be overcome by the extreme heat and can suffer permanent injuries or even death from heat stroke. Never leave a child alone in a vehicle, especially with the windows closed in warm or hot weather. 2-15 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 103
ACCESSORY or RUN or when Retained Accessory Power (RAP) is active. See "Retained Accessory Power" under Ignition Positions on page 2-21. Pull up the front of the control lightly tap the switch until the window is at the desired position. If your vehicle is equipped with power windows, the controls - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 104
door button is engaged. To engage the lock-out feature press the switch, and an indicator light on the switch will illuminate. To disengage the lock-out feature press the switch again, and the indicator light will turn off. When the button is not engaged, the rear power windows will operate. Swing - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 105
with a content theft-deterrent alarm system. With this system, the security light will flash as you open the door (if your ignition is off), to power door lock switch or the remote keyless entry transmitter. The security light should come on and flash. If using the remote keyless entry transmitter - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 106
security light to go out. 4. Then reach in through the window, unlock the door with the manual door lock and open the door. This should set off the alarm. If the alarm does not sound when it should but the vehicle's headlamps flash, check serviced by an authorized service center. 2-19 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 107
running and the security light comes on, you will be able to restart the engine if you turn the engine off. However, your Passlock@ system is not working properly and must be serviced by your dealer. Your'vehicle is not protected by Passiock@ at this time. You may also want to check the fuse (see - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 108
earlier replacement. Follow this breaking-in linings. guideline every time you get new brake Don't tow a trailer during break-in. "Towing See a Trailer" in the Index for more information. e - e e A (LOCK): This position locks your ignition and manual transmission. It's a theft-deterrent feature - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 109
B (ACCESSORY): This position allows you to use things like the radio, power windows and the windshield wipers when the engine is off. Key Release Button (Manual Transmission) The ignition key cannot be removed from the ignition of manual transmission vehicles unless the On n.,.?ual transmissio.. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 110
is turned to OFF. Your radio, power windows and overhead console will work when the ignition key is in RUN or ACCESSORY. Once the key is turned . Manual Transmission The gear selector should be in neutral and the parking brake engaged. Hold the clutch pedal to the floor and start the engine. Your - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 111
. This clears the extra gasoline from the engine. Notice: Your engine is designed to work with the electronics in your vehicle.If you add electrical parts or accessories, you could change way the the engine operates. Before adding electrical equipment, check with your dealer. If you don't, your - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 112
Plug the cord into a properly grounded three-prong 110-volt AC outlet. If the cord won't reach, use a heavy-duty three-prong extension least 15 amps. 4. Before starting the engine, be sure to unplug and store the cord as it was before to keep it away from moving engine parts. If you don't, it could be - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 113
shift position indicator within the instrument panel cluster. This display must be powered anytime engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle won't move, even when you're on fairly level ground, always set your shift lever to parking brake - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 114
brake pedal, your vehicle could move very rapidly. You could lose control andhit people or objects. Don't shift into a drive gear while your engine is Going less than about 35 mph (55 km/h), push your stopped. accelerator pedal about halfway down. To rock your vehicle back and forth to get out - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 115
. If you manually select SECOND (2) in a light duty automatic transmission control your speed as you go down steep mountain roads, but then you would also want to use your brakes with only the accelerator pedal. This could overheat anddamage the transmission. Use your brakes or shift into - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 116
use this feature to assist when towing or hauling a heavy load. Turn tow/haul on and off by pressing the buttonuntil the tow/haul indicator light illuminates on the instrument panel. See "Tow/Haul Mode" under Towing a Trailer on page 4-66 for more information. If your vehicle has an Allison - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 117
the button to enable or disable overdrive disable. Manual Transmission Operation Five-Speed (VORTEC 6000 V8 Engine) FIRST (1): Press the clutch pedal and shift into FIRST (1). Then, slowly let up on the clutch pedal as you press the accelerator pedal. Shiftinto FIRST (1) only when the vehicle is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 118
To stop, let up on the accelerator pedal and press the brake pedal. Just before the vehicle stops, press the clutch pedal and the brake pedal, and shift to NEUTRAL. NEUTRAL: Use this position when you start or idle your engine. REVERSE (R): To back up, first press down the clutch pedal. Wait for the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 119
damage your transmission. The repairs would not be covered by your warranty. Also, use REVERSE (R), along with the parking brake, when turning off your engine and parking your vehicle. This six-speed pattern is unique to GM manual transmissions. The transmission always repositions the shift lever - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 120
as you press the accelerator pedal. Withthe vehicle moving, press the clutch pedal and upshift into SECOND (2) from FIRST (1) while applying light pressure to the right accelerator pedal. Also, use REVERSE (R), along with the parking brake, when turning off your engine and parking your vehicle. 2- - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 121
down the grade. Monitor your vehicle speed, acceleration and engine rpm while applying the brakes as you go down the grade to ensure you have complete control over the vehicle. Shift Light - If you have a manual transmission, you may have a SHIFT light. This light will show you when to shift to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 122
if you quickly change the position of the accelerator. If your vehicle has four-wheel drive and is equipped with a manual transmission, disregard the SHIFT light when the transfer case is in 4-Wheel Low. Front Axle Locking Feature The front axle locks and unlocks automatically when you shift the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 123
An 4WD indicator light will illuminate when you shift into four-wheel drive and the front axle engages. An indicator on the bezel near the lever shows you the transfer case settings: 2-Wheel High (2HI): This setting is used for driving in most street and highway situations. Your front axle is not - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 124
) while the vehicle is moving. Your front axle will engage faster if you take your foot off of the accelerator for a couple of seconds after you shift Case The transfer case buttons are located to the left of the instrument panel cluster. To shift into or out of 4-Wheel Low (4LO) or NEUTRAL (N): 1. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 125
is ideal for use when road conditions are variable. When driving your vehicle in AUTO 4WD, the front axle is engaged, but the vehicle's power is sent to the rear wheels. When the could be seriously injured. Be sure to set the parking brake before placing the transfer case in NEUTRAL. See "Parking - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 126
last chosen setting. If the SERVICE 4WD light stays on, you should take your vehicle to your dealer for service. See Service on page 5-3 for further information setting last chosen. Shifting Out of 4LO To shift from 4LO to 4HI, AUTO 4WD or 2HI your vehicle must be stopped or moving less than 3 mph - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 127
shift lever in PARK (P). 11. Release the parking brake prior to towing. 2-40 position (2HI, 4HI, AUTO 4WD or 4LO). 4. After the transfer case has shifted out of NEUTRAL the red light will go out. 5. You may start the engine and shift the transmission to the desired position. Excessively - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 128
Electronic Transfer Case If your four-wheel-drive vehicle has the electronic transfer case, the transfer case switches are located to the left of the instrument panel cluster. Use these switches to shift into and out of four-wheel drive. You can choose among three driving settings: 2-41 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 129
set the parking brake before placing the transfer case in NEUTRAL. See "Parking Brake" in the Index. m (4HI): This setting engages your front axle to help l will stay on. If the lights do not come on, you should take your vehicle in for service. An indicator light will flash while shifting. It - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 130
pressed when your vehicle is in gear and/or moving, the 4L0 indicator light will flash for 30 seconds and not complete the shift unless your vehicle sure the vehicle is parked so that it will not roll: 1. Set the parking brake. 2. Start the vehicle or turn the ignition to RUN. 3. Connect the vehicle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 131
the ignition to RUN with the engine off. Parking Brake To set the parking brake, hold the regular brake pedal down with your right foot. Push down the parking brake pedal with your left foot. A chime will activate and the warning light will flash when the parking brake is applied and the vehicle is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 132
If the ignition is on when the parking brake is released, the brake system warning light will go off. Notice: Driving with the parking brake on can cause your rear brakes to overheat. You may have to replace them, and you couid also damage other parts of your vehicle. If you are towing a trailer - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 133
Pull the shift lever toward you. Move the lever up as far as it will go. 3. Be sure the transfer case is in a drive gear - not in NEUTRAL (N). 4. Turn the ignition key to LOCK. 5. Remove the key and take it with you. If you can leave your vehicle with the ignition key in your hand, your vehicle is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 134
PARK (P). It can be dangerous to leave your vehic wi the engine running. Your vehicle could move suddenly if the shift lever is not fully in PARK (P) with the parking brake firmlyset. If you have four-wheel drive with a manual transfer case shift lever and your transfer case is in NEUTRAL, your - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 135
an automatic transmission shift lock control system, you have to fully apply your regular brakes before you can shift from manual transmission is in gear. Your or someone else could be seriously injured. Be sure to set the parking brake before placing the transfer case in NEUTRAL. See "Parking Brake - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 136
Parking Over Things That Burn t Engine exhaust can kill. It contains the gas carbon monoxide (CO or exhaust system had been modified improperly. I - 1,,,rigs tknmb burn could touch hot exhaust can parts under your vehicle and ignite. Don't park over papers, leaves, dry grass or other things that - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 137
Exhaust - with CO - can come in easily. NEVER park in a garage with the engine running. Another closed-in place can be a blizzard. See "Winter Driving" in the Index. Idling the engine with the climate control system off could allow dangerous exhaust into your vehicle. See the earlier Caution under - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 138
your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. Don't leave your vehicle when the engine is running unless you haveto. If you've left the engine running, the vehicle can move suddenly. You or others could be injured. To be - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 139
Mirrors Manual Rearview Mirror Pull the tab under the mirror toward you to reduce have this feature. When on, an electrochromic mirror automatically dims to the proper level to minimize glare from lights behind you after dark. The mirror also includes a duel display in the upper right corner of the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 140
) mirror function is turned on automatically each time the ignition is started. To operate the electrochromic mirror do the following: 1. Make sure the green indicator light, located to the left of the on/off button, is lit. If it's not, press and hold the on/off button for approximately six seconds - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 141
the word ON, or an air bag symbol in Canada, when the passenger air bag is engaged. For more caused by a magnetic antenna mount, magnetic note pad holder or a similar magnetic item. The compass dim to the proper level to minimize glare from lights behind you after dark. The mirror also includes - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 142
the temperature reading on and off. To alternate the temperature reading between Fahrenheit and Celsius, or off is approximately eight seconds. The indicator light to the right of the TEMP button will caused by a magnetic antenna mount, magnetic note pad holder or a similar magnetic item. The compass - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 143
In order to calibrate, CAL must be displayed in the mirror compass windows. If CAL is not displayed, push in the COMP button for approximately eight seconds or until CAL is displayed. The compass can be calibrated in one of two ways: Drive the vehicle in circles at five mph (8 km/h) or less until - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 144
have this feature the mirror will display the word ON, or an airbag symbol in Canada, when the passenger air bag is engaged. For more information see Passenger Sensing System on page 1-74 Outside Camper-Type Mirrors Outside Manual Mirrors Adjust your outside mirrors so you can just see the side - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 145
the left or right to choose the mirror you want to adjust, then press the dots located on the four-way control pad to adjust the mirror. The mirrors can be adjusted by turning the mirror head (B) and moving the outer mirror frame (A) backward or forward. You can - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 146
press the left side of the mirror control. If the mirrors are manually folded, use the power mirror control to return it to it's original position located above the mirror control, to the middle position. Press the right side of the mirror control to fold the mirrors toward the body of the vehicle. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 147
enabled/disable this feature through the Driver Information Center. See Driver Information Center (DIC) on page 3-50. Outside Convex , you could hit a vehicle on your right. Check your inside mirror or glance your over shoulder before changing Control System on page3-24 for further information. 2-60 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 148
and annual fee on some plans) Online and Personal Concierge Services Route Support RideAssist Information and Convenience Services Onstar@uses global positioning system (GPS) satellite technology, wireless communications, and state of the art call centers to provide you with a wide range of safety - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 149
your hands on the wheel and your eyes on the road. See the Onstar@manual provided with your vehicle for more information. A completed Subscription Service Agreement is required f prior to delivery o Onstar@services and prepaid calling minutes are also required for Onstar@Personal Calling and Onstar - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 150
in the instrument panel. Use these spaces for items such as gloves or small books. Some models have a storage pocket on each of the front doors. Some the control button on the garage door opener. Center Overhead Console Your vehicle may have an overhead console. The long overhead console has - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 151
4. Add one peg at a time until, with the compartment door closed, the PUSH button on the compartment door will operate the garage door opener. 5. Now, with the compartment door closed, press the button marked PUSH again to make sure the garage door opener operates properly. 6. With the garage door - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 152
Sunglasses Storage Compartment If you have the long overhead console, the center overhead compartmentcan be used to store your sunglasses. To open the center compartment, press the release button located at the rear of door. The rear compartment can be used to store a small item, like a book. 2-65 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 153
Center Console Storage Area Your vehicle may be equipped with a console compartment between the bucket seats. T open it, press the button and swing the console lid o open. The console the manual transmission shift lever (if equipped). Your vehicle may have a compact disc holder in the console. If - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 154
, mirror positions and the radio station presets will be recalled if programmed to do so through the Driver Information Center (DIC). The numbers on the back of the transmitters, 1 or 2, correspond to the numbers on the memory controls. These buttons - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 155
the key in the ignition if programmed to do so through the Driver Information Center (DIC). To stop recall movement of the memory seat feature at any time, press one of the memory buttons or power seat controls. To store the seat exit position for driver 1 or 2, do the following: 1. Select the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 156
Exterior Lamps ...3-13 Interior Lamps ...-3-1 7 Accessory Power Outlets ...-3-1 8 Ashtrays and Cigarette Lighter ...-3-19 Climate Controls ...3-20 Dual Climate Control System ...3-21 Dual Automatic Climate Control System ...3.24 Warning Lights, Gages and Indicators ...3-30 Instrument Panel Cluster - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 157
Video Screen ...3-125 Fixed Mast Antenna ...3-125 XMTMSatellite Radio System Antenna ...3-125 DABRadioAntennaSystem ...3.1 25 Chime Level Adjustment -Deterrent Feature ...3-121 Audio Steering Wheel Controls ...3-122 DVD Distortion ...3-123 Understanding Radio Reception ...3-123 Care of Your Cassette - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 158
3 M - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 159
1 \ 1 J I - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 160
Equipped) N. Center Instrument Panel Utility Block 0. Parking Brake Release P. Tilt Wheel Lever Q. Lighter and Accessory Power Outlet R. Storage Area or Cassette Tape Player (If Equipped) S. Ashtray T. Manual Selectable Ride Control (If Equipped) U. 4WS Switch (If Equipped) V. Passenger Air Bag Off - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 161
hazard warning flashers are on, your turn signals won't work. Your hazard warning flashers let you warn others. They also let police know you have a problem. Your front and rear turn signal lamps will flash on and off. Other Warning Devices If you carry reflective triangles, you can use them to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 162
'the steering wheel to a comfortable position and release the lever to lock the wheel in place. Flash-to-Pass Feature Windshield Wipers Windshield Washer Cruise Control (If Equipped) For information on the exterior lamps, see Exterior Lamps on page 3-13. 3-7 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 163
accident. If the arrows don't go on at all when you signal a turn, check for burned-out bulbs or a blown fuse See Fuses and Circuit Breakers on page you. Then release it. When the high beams are on, this light on the instrument panel cluster also will be on. To signal a lane change, just raise or - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 164
stop or return to your preset speed. Windshield Wipers 0: OFF Q: MIST You control the windshield wipers by turning the band with the wiper symbol on it. For for a long or short delay between wipes. This can be very useful in light rain or snow. Turn the band to choose the delay time. The closer - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 165
does not work at speeds below about 25 mph (40 km/h). If you apply your brakes, or press the clutch pedal (if equipped), the cruise control will disengage. 0: off I : On t : Resume/Accelerate With cruise control, you can maintain a speed of about 25 mph (40 km/h) or more without keeping your - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 166
and then you apply the brake or press the clutch pedal (if equipped). This, of course, disengages the cruise control. But you don't need to reset it. Once you're going about 25 mph (40 km/h) or more, you can move the cruise control switch from on to resume/accelerate briefly. you'll go - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 167
step on the accelerator pedal to maintain your speed. When going downhill, you may have to brake or shift to a lower gear to keep your speed down. Of course, applying the brake takes you out of cruise control. Many drivers find this to be too much trouble and don't use cruise control on steep hills - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 168
position turns on the headlamps, together with the previously listed lamps and lights. You can switch your headlamps from high to low-beam by pushing headlamp wiring checked right away if this happens. operates the exterior lamps. Turn the control clockwise to operate the lamps. The exterior lamp - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 169
radio lights will also be dim. Your vehicle is equipped with a light sensor located on the top of the instrument panel in the defroster grille. Be sure it is not covered manually turned on and yourignition is off, in LOCK, ACCESSORY, or your door open. To is disable the chime, turn the light Canada. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 170
the exterior lamps control is in AUTOj the automatic transmission is not in PARK (P), and the light sensor brake or shift the transmission out of PARK (P). To idle a manual transmission equipped vehicle with the DRL off, set the parking brake. The DRL will stay off until you release the parking brake - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 171
service center to install an auxiliary roof lamp. This switch is located on the center of the instrument panel near the comfort controls. Press the button to turn the cargo lamp on. Press the button again to turn it off. An indicator light - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 172
to the headlamp control. Turn the thumbwheel up to adjust the instrument panel lights. Turn the thumbwheel up to return the radio display to full the overhead console. Exit Lighting With exit lighting, the interior lamps will come on when you remove the key from the ignition. The lights will not - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 173
override button, located below the exterior lamps control, to set the dome lamps lift the cover. When not using it, always close the cover. Certain power accessory plugs may not be compatible to the accessory power outlet and could result in blown vehicle or adapter fuses. If you experience a problem - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 174
instructions included with the equipment. Notice: Power outlets are designed for accessory plugs only. Do not hang any type caf accessory or accessory bracket from the plug. Improper use of the power outlet can cause damage not covered front ashtray located near the center of the instrument panel. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 175
clockwise toward the red area for warmer air. Turn the knob counterclockwisetoward the blue area for cooler air. Mode Knob The right knob on the control panel allows you to choose the direction of air delivery. f;' (Vent): This setting directs the air through the instrument panel outlets. Fan Knob - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 176
vehicle. To change the current mode, select one of the following: 6@ Dual Climate Control System With this system you can control the heating, cooling and ventilation for your vehicle. f;' (Vent): This mode directs air to the instrument panel vents. +2(Bi-Level): This mode directs half of the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 177
help cool the air inside of your vehicle more quickly. Press this button to turn the recirculation mode on or off. The light on the recirculation the temperature to the center console outlets (if equipped). Passenger's Side: The lever on the right side of the climate control panel is used to raise - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 178
you could cut or damage the warming grid, and the repairs wouldn't be covered by your warranty. Donot attach a temporary vehicle license, tape, a decal or anything similar to the defogger grid. Use the air outlets located in the center and on the side of your instrument panel to direct the airflow - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 179
, etc., may affect the performance of the heating and air conditioning system. Check with your dealer before adding equipment to theoutside of your vehicle. If your vehicle is equipped with the dual automatic climate control system, memory seats, and memory mirrors, you can store and recall - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 180
the fan speed. Press this button to turn off the entire climate control system. Outside air still enter the vehicle, and will will be directed to the the AUTO button is pressed and held for approximately four seconds. v (Fan): Press 0(Off): v (Mode): Press this button to manually select the air - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 181
's temperature the same as the driver's press and hold the AUTO button for approximately four seconds. When auto is selected, the air conditioning operation and air inlet will be automatically controlled. The air conditioning compressor will run when the outside temperature is over approximately - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 182
the down arrow to decrease fan speed. Press this button to manually change the direction of the airflow in your vehicle; keep pressing air inside of your vehicle more quickly. When this mode is on, inside air will recirculate throughout your vehicle. When this button is pressed, an indicator light - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 183
control the fan speed if you select defrost from AUTO mode. If the outside temperature is 40°F (4°C) or warmer, your air conditioning compressor will automatically runto help dehumidify the air and dry the windshield. Rear Window Defogger The lines repairs would not be covered by your warranty. Do - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 184
the front of your vehicle, such as hood-air deflectors, etc.,may affect the performance of the heating and air conditioning system. Check with your dealer before adding equipment to the outside of your vehicle. e e Use the air outlets located in the center and on the side of your instrument panel - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 185
let you know when there's a problem with your vehicle. When one ofthe warning lights comes on and stays on when you are driving, or when one of the gages shows there may be a problem, check thesection that tells you what to do about it. Please follow this manual's advice. Waiting to do repairs can - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 186
- 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 187
in Canada). manual transmission, if you operate the engine with the tachometer in the shaded warningareas, your vehicle's engine other or parts of yourvehicle could be damaged. Damage to your engine or vehiclecaused by operating the engine with the tachometer in the shaded warning areas isn't covered - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 188
Light There is an air bag readiness light on the instrument panel cluster, which shows the air bag symbol. The system checks the air bag's electrical system for malfunctions. The light tells you if there is an electrical problem. The system check includes the air bag sensors, the air bag modules - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 189
United States without Passenger Sensing System Canada with Passenger Sensing System 3-34 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 190
the person sitting there is in a risk group. "Air See Bag Off Switch" in the Index for more on this, including important safety information. Canada without Passenger Sensing System If the air bag readiness light ever comes on when you have turnedoff the air bag, it means that something may be wrong - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 191
in your vehicle) until you have your vehicle serviced. If your vehicle is an extended cab air indicator. Passenger Air Bag Status Indicator - United States Passenger Air Bag Status Indicator - Canada When the ignition key is turned to RUN or START, the passenger air bag status indicator will light - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 192
as a system check. Then, after several more seconds, the status indicator will light either ON or OFF, or either the on or off symbol to let you know the status of the right front passenger's frontal air bag. If the word ON or the on symbol is lit on the passenger air bag status indicator - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 193
drive belt, or some other charging system problem. Have it checked right away. Driving with this light displayed could drain your battery. If you must drive a short distance with this light displayed, it helps to turn off all your accessories, such as the radio and the air conditioner. 3-38 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 194
must drive, turn off all unnecessary accessories. Readings in either warning zone indicate a possible problem in the electrical system. Have the vehicle serviced as soon as possible. Up-Shift Light This light is used on some models with manual transmissions. When your engine is not running, but the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 195
Your brake system may not be working properly if the brake system warning light is on. Driving with the brake system warning light on can lead to an accident. If the light is still on after you've pulled off the road and stopped carefully, have the vehicle towed for service. United States Canada - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 196
needs service. You will also hear a chime sound when the light is on steady. If the regular brake system warning light isn't on, you still have brakes, but you don't have anti-lock brakes. If the regular brake system warning light is also on you don't have anti-lock brakes and there's a problem with - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 197
Assist System (TAS) on page 4-9. If the Traction Assist System is affected by an anti-lock brake system, TAS or engine-related problem, the system will turn off and the light will come on. Have your vehicle serviced. If the vehicle is driven over an extremely rough road, the system will turn off and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 198
Driver Information Center (DIC) on page 3-50for further information. If your vehicle has an Allison transmission, and the fluid reaches temperatures of approximately I i center275°F (135°C) or greater, the driver information will display United States Canada a TRANS HOT IDLE ENGINE warning message - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 199
for the life of the vehicle, helping to produce a cleaner environment. The Check Engine light comes on to indicate that there is a problem and service is required. Malfunctions often will be indicated by the system before any problem is apparent. This may prevent more serious damage to your vehicle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 200
- An emission control system malfunction has been detected on your vehicle. Dealer or qualified service center diagnosis and service may be required. If the Light is Flashing The following may prevent more serious damage to your vehicle: Reducing vehicle speed. Avoiding hard accelerations. Avoiding - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 201
If none of the above steps have made the light turn off, have your dealer or qualified service center check the vehicle. Your dealer has the proper test equipment and diagnostic tools to fix any mechanical or electrical problems that may have developed. Emissions Inspection and Maintenance Programs - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 202
on page 3-60 -7d Engine Oil on page 5- 17. United States Canada Don't keep driving if the oil pressure is low. If you do, your engine can becomeso hot that it catches fire. You or others could be burned. Check your oil as soon as possible and have your vehicle serviced. The oil pressure gage - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 203
comes on whenever you set your cruise control. See "Cruise Control" under Turn SignaVMultifunction Lever on page3-7. Four-Wheel-Drive Light The four-wheel drive indicator will light up when you shift a manual transfer case into four-wheel drive and the front axle engages. For more information, see - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 204
None of these indicate a problem with the fuel gage. capacity to fill the tank. The gage goes back to empty when you turn off the ignition. United States Canada Center (DIC) on page 3-50. If you have a diesel engine, see Fuel Gage in the Diesel Engine Supplement. Low Fuel Warning Light The light - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 205
Driver Information Center (DIC) The DIC display is located on the instrument panel cluster above the steering wheel. The DIC the engine was turned off. If a problem is detected, a warning message will appear on the display. Pressing the select button will acknowledge any current warning or service - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 206
with the DIC steering wheel buttons you can select the trip information by pressing the trip odometer reset stem on the instrument panel cluster. 0 PERSONAL: AVG MPH - This shows the vehicle's average speed for the personal trip. PERSONAL: % ANNUAL - This shows the ratio of personal trip miles - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 207
your vehicle does not have the DIC steering wheel control buttons, press the reset stem on the instrument panel cluster. You can also reset the PERSONAL: XX MI, the total number of hours the engine has run. Pressing the reset stem on the instrument cluster will also display the hourmeter after the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 208
is not equipped with the DIC steering wheel control buttons you will not be able to display in this manual. Also, the oil change reminder will not detect dusty conditions or engine malfunctions that you have in your engine. So, be sure to check your oil level often. See Engine Oil on page 5- 17 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 209
information on alarm warning type, see Content Theft-Deterrenton page2- 18. AUTOMATIC LOCKING AUTOMATIC UNLOCKING . SEAT POSITION RECALL PERIMETER LIGHTING REMOTELOCK FEEDBACK REMOTE UNLOCK FEEDBACK HEADLAMPS ON AT EXIT CURB VIEW ASSIST EASY EXIT SEAT DISPLAY UNITS (E/M) DISPLAY LANGUAGE 3-54 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 210
scroll through the following choices: LOCK DOORS OUT OF PARK (default): The doors will lock when the vehicle is shifted out of PARK (P). LOCK DOORS MANUALLY: The doors will not be locked automatically. LOCK DOORS WITH SPEED: The doors will lock when the vehicle speed is above 8 mph (13 km/h) for - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 211
come on for 40 seconds, if it is dark enough outside, when you unlock the vehicle with the remote keyless entry transmitter. PERIMETER LIGHTING OFF: The perimeter lights will not come on when you unlock the vehicle with the remote keyless entry transmitter. Choose on of the two options and press the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 212
Remote Lock Feedback Press the personalization button until REMOTE LOCK FEEDBACK appears in the display. To select your personalization for the feedback you will receive when locking the vehicle with the remote keyless entry transmitter, press the select button while REMOTE LOCK FEEDBACK is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 213
Headlamps on at Exit Press the personalization button until HEADLAMPS ON AT EXIT appears in the display. To select your personalization for how long the headlamps will stay on when you turn off the vehicle, press the select button while HEADLAMPS ON AT EXIT is displayed on the DIC. Pressing the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 214
Easy Exit Seat Press the personalization button until EASY EXIT SEAT appears in the display. To select your personalization for seat position exit, press the select button while EASY EXIT SEAT is displayed on the DIC. Pressing the select button will scroll through the following choices: SEAT - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 215
display information in. to OIL LIFE RESET This message will appear on the display for about 10 seconds after resetting the change engine oil message. LOW COOLANT LEVEL I f the engine coolant level is low, this message will appear on the DIC. Adding coolant will clear the message. DIC Warnings and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 216
on position indicatoron the instrument panel cluster will blink when this occurs. To make the vehicle shift to the requested gear you may have to shift back to PARK(P) or NEUTRAL (N) andre-select the desired gear. SERVICE AIRBAG If there is a problem with the air bag system, this message will be - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 217
should have the vehicle towed for service. See "Brake System Warning Light" in the Index. SERVICE BRAKE BOOSTER If your vehicle has vaccum assist power brakes, this message will be displayed on the DIC when there is a problem with the Supplemental Brake Assist system. If the message is displayed - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 218
you being driving, the four wheel steer system needs service. SERVICE RIDE CONTROL If a problem occurs with the suspension system, this message will appear on the DiC. If this message appears, stop and turn off the vehicle. Restart the vehicle and check for the message on the DIC display. If the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 219
message may clear after you've lifted your foot from the accelerator pedal an allowed the vehicle to coast in gear or after you have driven down to a lower elevation. This is a normal operation of your brake system and does not require that the brake system be serviced. However, if the message does - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 220
traction control system had detected that any of the vehicle's wheels are slipping, the traction control system will acknowledge this message and clear it from the DIC display. CHECK OIL LEVEL If the oil level in the vehicleis low, problem corrected, pressing the select is button will clear this message - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 221
becomes high, the message center will display this message. lead to costly repairs that may not be covered under your warranty. The following situations can cause for the proper transmission maintenance intervals. TRANS HOT IDLE ENGINE (Allison Transmission Only) If the transmission fluid in the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 222
the door for obstacles, and close the door again. Check to see if the message still appears on the DIC. Pressing the select button will acknowledge this message and clear it from the DIC display. RFA # BATTERY LOW If a remote keyless entry transmitter battery is low, this message will appear on the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 223
check with your dealer and be sure to check federal rules covering mobile radio and telephone units. Setting the Time for Radios without Radio controls to be sure you're getting the most out of the advanced engineering that went into it. Your vehicle may have a feature called Retained Accessory - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 224
hold one of the SEEK arrows for two seconds until you hear a beep. The radio will go to a station, play for a few seconds and flash the station the SEEK arrows for more than four seconds until you hear two beeps. The radio will go to the first preset station stored on the pushbuttons, play for - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 225
six AM, six FM1 and six FM2) by performing the following steps: 1. Turn the radio on. 2. Press AM FM to select AM, FMI or FM2. 3. Tune in the . 5. Repeat the steps for each pushbutton. To adjust both tone controls and both speaker controls to the middle position, end out of audio by waiting for the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 226
To adjust both tone controls and both speaker controls to the middle position, end out of audio by on the display it means that your radio has not been configured properly for your vehicle and must be returned to the dealership for service. Base Radio Shown, Base@ Similar LOC (Locked): This - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 227
Canada website at www.gmcanada.com, your dealer or call 1-800-263-3777. Playing the Radio PWR (Power): Press this knob to turn the system on and off. VOL (Volume): Turn this knob to increase or to decrease volume. AUTO (DAB) (Canada Only): DAB is a Canadian land-based radio service that offers - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 228
to those with a strong signal. 4 Finding a Station BAND: Press this button to switch between AM, FM, FM2, or XMI, XM2 (USA only, if your radio is equipped with XMTM Satellite Radio Service) or DABl, DAB2 (Canada only, if your radio is equipped with DAB). The display will show your selection. 3-73 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 229
with the XM Satellite Radio Service) or six DAB1and six DAB2 (Canada only, if your radio is equipped with DAB), by performing the following steps: 1. Turn the radio on. 2. Press BAND to select AM, FMI or FM2, or XMI, XM2, or DABI, DAB2. 3. Tune in the desired station. 4. Press AUTO EQ to choose the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 230
AUTO the AUDIO knob, CUSTOM appears. until If you radiois equipped withthe Bose audio system, your equalization settings are either CUSTOM or TALK. Finding speaker controls to the middle position, pushand hold the AUDIO knob when no tone or speaker controlis displayed. The radio will produce - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 231
arrow, and the radio will begin scanning within your chosen category. 4. Press wither SCAN arrow again to stop scanning. BAND (Alternate Frequency): Alternate frequency allows the radio to switch to tests of the emergency broadcast system. This feature is not supported by all RDS stations. 3-76 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 232
. For DAB (Canada only, if your radio is equipped with DAB), when the TRAF button is pressed, DAB does not seek to a station that broadcasts traffic. DAB only checks the current frequency for traffic support. This function does not apply to XMTM Satellite Radio Service. Traffic Interrupt Feature - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 233
Language Channels) XL onthe radio display, after the channel name, indicates content with explicit language. Updating encryption code Loss of signal These audio (after 4 second delay) Channel not in service Channel no longer available CH Off Air CH Unavail No Info Artist Name/Feature not - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 234
serviced, check with the servicing facility. No channel available for the chosen category Radio ID Radio ID label (channel 0) Radio ID not known (should only be if hardware failure) Hardware failure If you tune to channel 0, you will see this message alternating with your XM Radio 8 digit radio - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 235
Playing a Compact Disc Insert a disc partway into the slot, label side up. The player will pull it in and the disc should begin playing. The display will show the CD symbol. If you want to insert a compact disc with the ignition off, first press TUNE or the eject symbol. If an error appears on the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 236
CD AUX (Auxiliary): Press this button to play a CD when listening to the radio. Compact Disc Messages If the disc comes out, it could be for one of the disc should play. The disc is dirty, scratched, wet or upside down. The air is very humid. If so, wait about an hour and try again. (Eject): - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 237
information, contact XMTM www.xmradio.com or at call 1-800-852-XMXM (9696). Digital Audio Broadcast (DAB) (Canada Only): DAB is a Canadian land-based radio service that offers digital quality audio and text information including song title, artist name, traffic, weather, emergency announcements and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 238
other obstructions. Additional services will be added in the future. For current DAB coverage and other information consult the GM Canada website at www.gmcanada.com, your dealer or call 1-800-263-3777. DlSP (Display): Push this knob to switch the display between radio station frequency and time. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 239
or XM1, XM2 (USA only, if your radio is equipped with XMTMSatellite Radio Service) or DAB1, DAB2 (Canada only, if your radio is equipped with DAB). The display will show your selection. TUNE: Turn this knob to choose radio stations. For DAB (Canada only, if your radio is equipped with DAB), the TUNE - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 240
and six FM2, six XM1 and six XM2 (USA only, if your radio is equipped with the XM Satellite Radio Service) or six DAB1 and six DAB2 (Canada only, if your radio is equipped with DAB), by performing the following steps: 1. Turn the radio on. 2. Press BAND to select AM, FMI or FM2, or XM1, XM2 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 241
display the category and then to go to another station. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. The radio will produce one beep and display ALL with the level display in the middle position. If - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 242
hear a beep. Whenever you press that numbered pushbutton, the PTY you set will return. 5. Repeat the steps for each pushbutton. BAND (Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same program type. Press and hold BAND for two seconds to turn - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 243
an alert announcement comes on the current radio station, ALERT! will appear on the of the emergency broadcast system. This feature is not supported by all RDS stations. INFO (Information): If , etc. If the whole message is not displayed, parts of it will appear every three seconds. To scroll - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 244
. For DAB (Canada only, if your radio is equipped with DAB), when the TRAF button is pressed, DAB does not seek to a station that broadcasts traffic. DAB only checks the current frequency for traffic support. This function does not apply to XMTMSatellite Radio Service. Traffic Interrupt Feature - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 245
radio display, after the channel name, indicates content with explicit language. Updating encryption code 1-800-852-XMXM (9696). Updating The encryption code in your receiver is updated, being and no open area, the signal should return. Your radio system is acquiring and processing audio text data. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 246
vehicle serviced, check with the servicing facility. ~ ~~ XM Locked Theft lock active Radio ID Radio ID label (channel 0) Radio ID not known (should only be if hardware failure) Hardware failure If you tune to channel 0, you will see this message alternating with your XM Radio 8 digit radio ID - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 247
the tape is playing, use the VOL, AUDIO and SEEK controls just as you do for the radio. The display will show TAPE and an arrow showing which pushbutton to advance quickly to another part of the tape. Press this pushbutton again to return to playing speed. The radio will play while the tape advances - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 248
. Your tape must have at least three seconds of silence between each selection for scan to work. 4 Cassette Tape Messages CHK TAPE (Check Tape): If CHK TAPE appears on the radio display, the tape won't play because of one of the following errors. a 4 The tape is tight and the player can't turn - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 249
tape symbol on the display will flash, indicating the feature is active. 4. Insert the adapter into the cassette tape slot. It will power up the radio and begin playing. 1 PREV (Previous): Press this pushbutton to go to the previous track if the current track has been playing for less than eight - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 250
. TAPE DISC: Press this button to play a tape when listening to the radio. Press this button to switch between the tape and compact disc if both are the disc should play. The disc is dirty, scratched, wet or upside down. The air is very humid. If so, wait about an hour and try again. if the CD - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 251
have an overhead Rear Seat Entertainment (RSE) System. If your vehicle has this system and a DVD is playing, the DVD symbol will appear on the radio display indicating that the DVD is available and can be listened through your vehicles speakers. To listen to the DVD, press the TAPE DISC button - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 252
more information, contact XMTMat www.xmradio.com or call 1-800-852-XMXM (9696). Digital Audio Broadcast (DAB) (Canada Only): DAB is a Canadian land-based radio service that offers digital quality audio and text information including song title, artist name, traffic, weather, emergency announcements - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 253
. VOLUME: Turn the knob to increase or to decrease volume. AUTO VOL (Automatic Volume): Your system has a feature called automatic volume XM1, XM2 (USA only, if your radio is equipped with XMTMSatellite Radio Service) or DAB1, DAB2 (Canada only, if your radio is equipped with DAB). The display will - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 254
radio is equipped with the XMTMSatellite Radio Service) or six DAB1 and six DAB2 (Canada only, if your radio is equipped with DAB), by performing the following steps: 1. Turn the radio DABI, DAB2. 3. Tune in the desired station. 4. Press AUTO EQ to select the equalization. 5. Press and hold one of - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 255
or speaker control is displayed. The radio will produce one beep and CENTERED will appear on the display. AUTO EQ AUTO EQ button until CUSTOM appears on the display. Then you will be able to manually adjust the bass, midrange and treble using the AUDIO knob. If your vehicle is equipped with the Bose - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 256
listening to a compact disc, the last selected RDS station will interrupt play if that selected program type format is broadcast. BAND (Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same program type. Press and hold BAND for two seconds to turn - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 257
. When an alert announcement comes on the current radio station, ALERT! will appear on the display. the emergency broadcast system. This feature is not supported by all RDS stations. INFO (Information): If . If the whole message is not displayed, parts of it will appear every three seconds. To - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 258
. For DAB (Canada only, if your radio is equipped with DAB), when the TRAF button is pressed, DAB does not seek to a station that broadcasts traffic. DAB only checks the current frequency for traffic support. This function does not apply to XMTMSatellite Radio Service. Traffic Interrupt Feature - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 259
Condition XL on the radio display, after the channel name, indicates content with explicit language. Updating encryption code Loss of signal Action Required ) CH Off Air CH Unavail I Channel not in service Channel no longer available This channel is not currently in service. Tune to another - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 260
after having your vehicle serviced, check with the servicing facility. Radio ID Radio ID label (channel 0) Radio ID not known (should only be if hardware failure) Hardware failure If you tune to channel 0, you will see this message alternating with your XM Radio 8 digit radio ID label. This label - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 261
2. Press and release the LOAD side of the LOAD CD button. 3. Wait for the light, located to the right of the slot, to turn green. 4. Load a disc. Insert your disc, it will be activated each time you play a disc. If the radio is on or off, the disc will begin to play automatically. To insert multiple - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 262
number will appear. If an error appears on the radio display, see "Compact Disc Messages" later in this disc after you have tried to push it in manually. The receivers 25-second eject timer will reset at for two seconds. You will hear a beep and the light will flash to let you know when a disc is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 263
set whenever you play a compact disc. For more information on AUTO EQ, see "AUTO EQ" listed previously in this section. k SCAN >I : To The selected display will now be the default. BAND: Press this button to play the radio when a disc(s) is in the player. k SEEK > : Press the left arrow - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 264
steps: 1. Turn the disc player on and load it with at least one disc. See "LOAD CD" listed previously in this section for more information. 2. Check to see that the disc changer is not in song list mode. S-LIST should not appear in the display. If S-LIST is present, press the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 265
contact your dealer. If your radio displays an error message, write it down and provide it to your dealer when reporting the problem. 3. Press and hold the will be removed from the display. Compact Disc Messages CHECK CD: If this message appears on the radio display, it could be due to one of the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 266
control. The DVD player power may be turned on when the ignition is in RUN, ACCESSORY, or Retained Accessory Power (RAP). The RSE system DVD player is only compatible with DVDs of the appropriate DVD region code overhead console. The DVD player can be controlled by the buttons on the DVD player and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 267
will automatically start, if the vehicle ignition is in RUN, ACCESSORY, or RAP. cl> (Power): on or off. Press face of the DVD player or on the remote control. Some DVDs will not allow you to fast the main title, refer to the on-screen instructions, as the DVD may be displaying its main title - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 268
Code Error: This message will be displayed if the region code console, behind the video screen, near the driver of the vehicle. Press this button while a DVD or CD is playing to freeze the video and mute the audio. The video screen will display Parental Control ON and the power indicator light - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 269
in the overhead console. To use the light may affect the ability of the entertainment system to receive signals from the remote control. If the remote control does not seem to be working, the batteries may need to be replaced. See "Battery Replacement" later in this section. Objects blocking the line - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 270
to the previous track or chapter. This button may not work when the DVD is playing the copyright or the previews. J. Numeric Key Pad: The remote control numeric keypad provides you with the capability of direct chapter, title and track number selection. Press the button, located on the bottom left - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 271
could damage the headphones and would not be covered by your warranty. Keep the headphones stored in control. To use the headphones activate the ON/OFF control. An indicator light will illuminate on the headphones. If the light does not illuminate, the batteries may need to be replaced. See "Battery - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 272
instructions to for proper connection your auxiliary device. of To use the auxiliary inputs on the RSE system, connect an external auxiliary device to the color-coded will not be an available source on the radio. Refer to the radio information for the radio that your vehicle has for more information. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 273
Recommended Action -~ ~ Problem ~ Recommended Action No power. The ignition might not be in on or accessory. The parental control button might have been pressed. (The power indicator light will flash.) ~ The disc was ejected, but The disc is being stored in it was pulled back into the the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 274
at the infrared window below the video screen while using. Check that the batteries are not dead or put in wrong. The parental control button might have been pressed. (The power indicator light will flash.) Problem My disc is stuck in the player. The Load/Eject button does not work. Recommended - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 275
tapes, CDs, DVDs, XM (if your vehicle is equipped with XMTM Satellite Radio Service), or DAB (if your vehicle is equipped with DAB) depending on your vehicles options. However, the rear seat passengers can only control the music sources that the front seat passengers are not listening to. For - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 276
or to decrease volume. The left knob controls the left headphone and the right knob controls the right headphone. SRC (Source): Press this button to select an audio source: radio, cassette tapes, CDs, DVDs, XM (if your vehicle is equipped with XMTMSatellite Radio Service), or DAB (if your vehicle is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 277
Controls You can control certain radio functions using the buttons on your steering wheel. PROG (Program): Press this button to play a station you have programmed on the radio vehicle is equipped with the XMTMSatellite Radio Service), or DAB1 or DAB2 (if See the Onstar@ manual provided with your - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 278
Radio Service XMTMSatellite Radio gives you digital radio reception Radio Reception AM The range for most AM stations is greater than for FM, especially at night. The longer range, however, can cause stations to interfere with each other. AM can pick up noise from things like storms and power lines - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 279
action, non-abrasive cleaning cassette with pads which scrub the tape head as the condition before you have your tape player serviced. 2. Turn the radio off. 3. Press and hold the TAPE dampen a clean, soft cloth in a mild, neutral detergent solution and clean it, wiping from the center to the edge. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 280
too long on the video screen. If your vehicle is purchased in Canada and driven into the United States the DAB radio antenna systemwill not function. DAB radio reception is available in Canada only. Chime Level Adjustment The radio is the vehicle chime producer. To change the volume level, press - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 281
- 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 282
. the Road. and Your Vehicle ...4-2 Defensive Driving ...4-2 Drunken Driving ...4-2 Control of a Vehicle ...4-5 Braking ...4-6 Traction Assist System (TAS) ...4-9 Manual Selectable Ride ...4-1 1 4-12 Locking Rear Axle ...Steering ...4-12 QUADRASTEERTM ...4-14 Off-Road Recovery ...-4-18 Loss of - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 283
the best defensive driving maneuver, in both city and rural driving. You never know when the vehicle in front of you is going to brake or turn suddenly. Defensive driving requires that a driver concentrate on the driving task. Anything that distracts from the driving task - such as concentrating on - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 284
on each person and situation, here is some general information on the problem. The Blood Alcohol Concentration (BAC) of someone who is drinking depends upon four things: 0 The amount of alcohol consumed 0 The drinker's body weight The amount of food that is consumed before and during drinking - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 285
, this means that a woman generally will reach a higher BAC level than a man of her same body weight when each has the same number of drinks. The law in an increasing number of U S . states, and throughout Canada, sets the legal limit at 0.08 percent. In some other countries, the limit is even lower - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 286
, designate a driver who will not drink. You have three systems that make your vehicle go where you want it to go. Theyare the brakes, the steering and the accelerator. All three systems haveto do their work at the places where the tires meet the road. Sometimes, as when you're driving on - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 287
will be harder to push. Anti-lock Brake System Your vehicle has anti-lock brakes. ABS is an advanced electronic braking system that will help prevent a braking skid. When you start your engine and begin to drive away, your anti-lock brake system will check itself. You may hear a momentary motor or - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 288
Proportioning (DRP) system. If there's a DRP problem, both the Brake and ABS warning lights will come on accompanied by a IO-second chime. The lights and chime will come on each time the ignition is turned on until the problem is repaired. See your dealer for service. Let's say the road is wet and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 289
, but this is normal. Braking in Emergencies With anti-lock, you can steer and brake at the same time. In many emergencies, steering can help you more than even the very best braking. As you brake, your computer keeps receiving updates on wheel speed and controls braking pressure accordingly. 4-8 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 290
system reduces engine power to limit wheel spin. The traction control system is enabled problem with your vehicle. Examples of these conditions include a hard acceleration in a turn, an abrupt upshift or downshift 01 the transmission or driving on rough roads. If your vehicle is in cruise control - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 291
the vehicle leaves the rough surface, slows down or stops, the light will go off and TAS will be on again. This is normal. A Traction Assist System, Anti-Lock Brake System or engine-related problem has been detected and the vehicle needs service. If the vehicle has been driven with the TAS system on - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 292
(P). 2. Turn the ignition to RUN; do not start the engine. 3. Apply the brake pedal, press the accelerator pedal to the floor and then press the TAS on/off on the center of the instrument panel near the radio. Press it to activate the selectable ride setting as desired. An indicator light near the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 293
light will illuminate. Use this setting when road conditions or personal preference demand more control assist because the engine stops or the system control'' accidents mentioned on the news happen on curves. Here's why: Locking Rear Axle If your vehicle has this feature, your locking rear axle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 294
acceleration can demand too much of those places. You can lose control. See TractionAssist System(TAS) on page 4-9. What should you do if this ever happens? Ease up on the accelerator right in front of you. You can avoid these problems by braking - if you can stop in time. But sometimes you can - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 295
QUADRASTEERTM The QUADRASTEERTM System has a control and diagnostic module that monitors and records current system status and operational information. If your vehicle is equipped with the 4 Wheel Steer system it has the ability to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 296
is not in this mode, press the button until the 2 indicator, located to the right of the 4 Wheel Steer button, lights up. If the 2 indicator is flashing you will have to center the steering wheel by turning it to the left or right. : 4 Your vehicle will return to 2 when the transmission is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 297
Slower Speeds (below 40 m.p.h./ 64 km/h ) At slower speeds the front and rear wheelswill turn in opposite directions. This helps the vehicle make tighter turns, such as during parking, cornering and turning into tight spaces. Higher Speeds (40 m.p.h./64 km/h, and above) At higher speeds the front - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 298
mode, press the button until the 4 and tow mode indicators light up on the instrument panel. If the tow indicator is flashing you will have to center the steering wheel by turning it tothe left or right. While inches (208 cm) between the rails. Before using the car wash check with themanager. 4-17 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 299
slightly below the pavement, recovery should be fairly easy. Ease off the accelerator and then, if there is nothing in the way, steer so that markings and lines. If you can see a sign up ahead that might indicate a turn or an intersection, delay your pass. A broken center line usually indicates it - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 300
a chance to pass is coming up, start to accelerate but stay in the right lane and don't get back again and wait for another opportunity. Check your mirrors, glance over your shoulder and start brake lamps are not flashing, it may be slowing down or starting to turn. If other vehicles are lined - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 301
Let's review what driving experts say about what happens when the three control systems (brakes, steering and acceleration) don't have enough friction where the tires meet the road to do what the driver has asked. In any emergency, don't give up. Keep trying - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 302
acceleration or braking (including engine braking by : Any anti-lock brake system (ABS) helps avoid only the braking skid. Off-road driving bumper lower air dam. Off-Road Driving with Your Four-Wheel-Drive Vehicle This off-road guide is for vehicles that have four-wheel drive. Also, see Braking - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 303
and pull downward until the push-pin snaps loose. I The front bumper lower air dam is held in place by a series of push-pins located around the lower edge of the front bumper. The push-pins are accessible from underneath the front bumper. The following steps must be performed on each of the push - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 304
the lower dam is free. To reinstall the lowerairdam, do the following: 1. Line up each push-pin with its intended retainer and push the washer portion of the of your vehicle to be damaged. Always be sure to replace the front bumper air dam when you're finished off-road driving. 2. Push the flat end - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 305
to have all necessary maintenance and service work done. Check to make sure all underbody floor and forward of your rear axle. Put heavier items as far forward on the roof raise the vehicle's center of gravity, making it more likely manual. See Loading Your Vehicle on page4-56 and Tires on page 5- - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 306
trees or unnecessary driving through streams or over soft ground). Always carry a litter bag...make have a winch? If so, be sure to read the winch instructions. In a remote area, a winch can be handy if you or engine sounds. With your arms, hands, feet and body, you'll need to respond to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 307
, snow or ice. Each of these surfaces affects the steering, acceleration and braking of your vehicle in different ways. Depending upon the kind of in direction can easily throw you out of position. This could causeyou to lose control and crash. So, whether you're driving on or off the road, you - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 308
. If this happens, even with one or two wheels, you can't control the vehicle as well or at all. Because you will be on an unpaved surface, it's especially important to avoid sudden acceleration, sudden turns or sudden braking. In a way, off-road driving requires a different kind of alertness from - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 309
Approaching a Hill When you approach a hill, you need to decide if it's oneof those hills that's just too steep to climb, descend or cross. Steepness can be hard to judge. On a very small hill, for example, there may be a smooth, constant incline with only a small change in elevation where you can - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 310
still applied, shift the transmission to PARK (P) (or shift to neutral if your vehicle has a manual transmission) and restart the engine. Then, shift to REVERSE (R), release the parking brake, and slowly back down the hill as straight as possible in REVERSE (R). As you are backing down the hill - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 311
NEUTRAL (N) (or pressing the clutch, if you have a manual transmission) to 'rev-up' the engine and regain forward momentum. This won't work. Your vehicle will roll backwards very quickly and you could go out of control. Instead, apply the regular brake to stop the vehicle. Then apply the parking - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 312
hill can cause your brakes to overheat and fade. This could cause loss of control and a serious accident. Apply the brakes lightly when descending a hill This way, engine drag can help your brakes and they won't have to do all the work. Descend slowly, keeping your vehicle under control at all times - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 313
brakes. Apply the parking brake. Shift to PARK (P) (or to neutral with the manual transmission) and, while still braking, restart the engine. Shift back to a low gear, release the parking brake, and drive straight down. If the engine . Surface conditions can be a problem when you drive across a hill - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 314
Stalling on an Incline If your vehicle stalls when you're crossing an incline, be sure you (and your passengers) get out on the uphill side, even if the door there is harder to open. If you get out on the downhill side and the vehicle starts to roll over, you'll be right in its path. If you have to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 315
. This has an effect on steering, accelerating and braking. You may want to reduce the air pressure in your tires slightly when driving control. On wet ice, for example, the traction is so poor that you will have difficulty accelerating. And if you do get moving, poor steering and difficult braking - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 316
. These substances can cause glazing and uneven braking. Check the body structure, steering, suspension, wheels, tires and exhaust system for damage. Also, check the fuel lines and cooling system for any leakage. Your vehicle will require more frequent service due to off-road use. Refer to the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 317
, especially on higher speed roads. Your headlamps can light up only so much road ahead. In remote areas impaired - by alcohol or drugs, with night vision problems, or by fatigue. What you do in the wise to wear sunglasses. Your eyes will have less trouble adjusting to night. But if you're driving, - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 318
way, it's easier to pick out dimly lighted objects. Just as your headlamps should be checked regularly for proper aim, so should your eyes light - and aren't even aware of it. Driving in Rain and on Wet Roads Rain and wet roads can mean driving trouble. On a wet road, you can't stop, accelerate - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 319
even going through some car washes can cause problems, too. The water may affect your brakes.Try to avoid puddles. But if you can't, try to hit them. Wet brakes can cause accidents. They won't work as well in a quick stop and may cause pulling to one side. You could lose control of the vehicle. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 320
Through Deep Standing Water Notice: If you drive too quickly through deep puddles or standing water, water can come in through your engine's air intake and badly damage your engine. Never drive through water thatis slightly lower than the underbody of your vehicle. If you can't avoid deep puddles or - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 321
have your view restricted by road spray. Have good tires with proper tread depth. See Tires on page 5-72. City Driving One of the biggest problems with city streets is the amount of traffic on them. You'll want to watch out for what the other drivers are doing and pay - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 322
. You'll save time and energy. See the next part, "Freeway Driving." Treat a green light as a warning signal. A traffic light is there because the corner is busy enough to need it. When a light turns green, and just before you start to move, check both ways for vehicles that have not cleared the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 323
gap at close to the prevailing speed. Switch on your turn signal, check your mirrors and glance over your shoulder as often as necessary. Try serviced and maintained, it's ready to go. If it needs service, have it done before starting out. Of course, you'll find experienced and able service experts - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 324
Engine Oil, Other Fluids: Have you checked all levels? lamps: Are they all working? Are the lenses clean? Tires: They are vitally important to a safe, trouble to the sides. Check your mirrors and your instruments frequently. If you get sleepy, pull off the road into a rest, service or parking area - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 325
Mountain Roads Keep your vehicle in good shape. Check all fluid levels and also the brakes, tires, cooling system and transmission. These parts can work hard on mountain roads. Know how to go down hills. The most important thing to know is this: let your engine do some of the slowing down. Shift to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 326
. You would then have poor braking or even none going down a . The lower gears help cool your engine and transmission, and you can climb 't swing wide or cut across the center of the road. Drive at speeds that signs on mountains that warn of special problems. Examples are long grades, passing or no - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 327
Winter Driving Include an ice scraper, a small brush or broom, a supply of windshield washer fluid, a rag, some winter outer clothing, a small shovel, a flashlight, a red cloth and reflective warning triangles. And, if you will be driving under severe conditions, include a small bag of sand, a - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 328
will improve your ability to accelerate when driving on a accelerate too fast, the drive wheels will spin and polish the surface under the tires even more. What's the worst time for this? "Wet ice." Very cold snow or ice can be slick and hard to drive on. But wet ice can be even more trouble - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 329
ll want to begin stopping sooner than you would on dry pavement. See Braking on page 4-6. Allow greater following distance on any slippery road. Watch for slippery spots. The road might be fine until you hit a spot that's covered with ice. On an otherwise clear road, ice patches may appear in shaded - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 330
you haveno blankets orextra clothing, make body insulators from newspapers, burlap bags, rags engine, makeit go a little faster than just idle. That is, push the accelerator slightly. This uses less fuel for the heat that you get and it keeps the battery charged. You will need a well-charged battery - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 331
let your tires spinat high speed, they can explode, and you or others couldbe injured. And, the transmission or other parts of the vehicle canoverheat. That could cause an engine compartment fire or otherdamage. When you're stuck, spin the wheelsas little as possible. Don't spin the wheels above 25 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 332
.Then shift backand forth between REVERSE(R) and a forward gear (or with a manual transmission, between FIRST or SECOND (2) (1) and REVERSE (R)), spinning the wheels little as as possible. Releasethe accelerator pedal while you shift, and presslightly on theaccelerator pedal when the transmission is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 333
the chain or cable snapping back. Notice: Never use recovery hooks to tow the vehicle. Your vehicle could be damaged and it would not be covered by warranty. 4-52 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 334
Consult your dealer or a professional towing service if you need to have your disabled vehicle towed. See Roadside Assistance Program on page 7-6. Here are some important things to consider before you do recreational vehicle towing: What's the towing capacity of the towing vehicle? Be sure you - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 335
vehicle. 6. Turn the ignition off. Use the following procedure to tow your vehicle: 1. Firmly set the parking brake. 2. Shift an automatic transmission to PARK (P), or a manual transmission to FIRST (1). 3. Securely attach the vehicle being towed to the tow vehicle. Shifting a four-wheel-drive - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 336
ion off. s Four-Wheel-Drive Vehicles Use the following procedure to tow your vehicle: 1. Firmly set the parking brake. 2. Shift an automatic transmission to PARK (P), or a manual transmission to FIRST (1). 3. Securely attach the vehicle being towed to the tow vehicle. 4. Shift the transfer case to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 337
Front Axle Reserve Capacity. See "Front Axle Reserve Capacity" later in this section. And, if YOU do have a heavy load, you should spread it out. The CertificationDire label is found on the rear edge of the driver's door or in the Incomplete Vehicle Document in the cab. The label shows the size of - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 338
you to lose control and crash. Also, overloading can shorten the lifeof your vehicle. Notice: Your warranty does not cover parts or components that can. There's also important loading information for off-road driving in this manual. See "Loading Your Vehicle for Off-Road Driving" under Off-Road - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 339
occupants as part of your load. If you added any accessories or equipment load's center of gravity should be positioned in a zone over the rear axle. The cover parts or components that fail because of overloading. Remember not to exceed the Gross Axle Weight Rating (GAWR) of the front or rear axle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 340
package, adding a plow can damage your vehicle, and the repairs wouldn't be covered by warranty. Unless your vehicle was built to carry a snow plow, don't plow is installed. Your vehicle can be damaged if either the front or rear axle ratings, or the GVW, are exceeded. Q: How heavy can a snow plow - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 341
of your truck with full fuel and passengers. Basically, it's the amount of weight you can add to your front axle before reaching your front GAWR. The front axle reserve capacity for your vehicle can be found in the lower right corner of the CertificationRire label, as shown. : TRUCK COLD TIRE - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 342
cm), then: W = 700 Ib. (318 kg) A = 4 ft. (122 cm) W.B. = 10 ft. (305 cm) (W X (A + W.B.))/W.B. = (700 X (4 + 10))/10 = 980 Ib. (445 kg) So, if your truck's front axle reserve capacity is more than 980 Ib. (445 kg), you could add the snow plow without exceeding the front GAWR. 4-6 1 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 343
as a snow plow, it may be possible to load the front axle to the front GAWR but not have enough weight on the rear axle to have proper braking performance. If your brakes can't work properly, you could have a crash. To help your brakes work properly when a snow plow is installed, always follow the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 344
fuel and passengers. It's the amount of weight you can add to your vehicle before reaching your GVWR. Keep in mind that reserve capacity numbers are intended as a guide when selecting the amount of equipment or cargo your truck can carry. If you are unsure of your truck's front, rear or total - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 345
is the point where the mass of a body is concentrated and, if suspended atthat point, would balance the front and rear. The camper's center of gravity should fall within the center of gravity zone for your vehicle's cargo load. You must weigh any accessories or other equipment that you add to your - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 346
axles. The loads on the front and rear axles shouldn't be more than either of the GAWRs. The total of the axle check the manufacturer's instructions. If you want more information on curb weights, cargo weights, Cargo Weight Rating and the correct center hitch and trailer brakes. For more body - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 347
not covered by your warranty. To pull a trailer correctly, follow the advice in this part, and see your dealer for important information about towing a trailer with your vehicle. Additional rear axle maintenance is required for a vehicle used to tow a trailer. See "Scheduled Maintenance Services" in - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 348
axle or other parts could be damaged. Then, duringthe first 500 miles (800 km) thatyou tow 50 a trailer, don't drive over mph (80 km/h) and don't make starts at throttle. This helps your engine gear. See Tow/Hau/ Mode light on page 3-48. Tow/HauI is unloaded. Improve control of vehicle speed while - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 349
load in busy parking lots where improved low speed control of the vehicle is desired. Operating the vehicle in tow/haul when lightly loaded or with no trailer at all will not handlinghrailering suspension is required on C-1500 models and the handlinghrailering or off -road suspension is required on - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 350
I Vehicle* I Ratio Axle 3.08 3.42 I Maximum Trailer Weight I GCWR I C-1500 Regular Cab Short Box (2WD)* 4300 V6 (Auto) F 6 (Manual) 4800 V8 (Auto) (Manual) 4800 V8 4,500 Ibs. (2 041kg) 5,000 Ibs. (2 267kg) 4,000 3,500 Ibs. Ibs. (1 kg) (1 587 814 kg) 6,400 Ibs. (2 902 kg) 7,400 Ibs. (3 356 kg - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 351
Vehicle" Ratio Axle (C-I500 Extended Cab Short Box 2WD I I * Maximum Trailer Weight I GCWR 15 percent of trailer weight up to 1,000 Ibs (454 kg). Fifth-wheel or gooseneck - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 352
Vehicle* Ratio Axle I I Maximum Trailer GCWR Weight 14,000 Ibs. (6 356 kg) 16,000 Ibs. (7 264 kg 14,000 Ibs. (6 356 kg) Ibs. (7 264 kg I C-1500 Crew Cab Short Box (2WD)* 1 6000 V8 V 8 wI4WS 8,200 Ibs. (3 719 kg) 10,200 Ibs. (4 626 kg _____~ b (4 583 kg) kg) 16,000 7,900 Ibs. (3 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 353
Vehicle* Axle Ratio Maximum Trailer Weight GCWR C-1500 Extended Cab Long Box (2WD)* 3.42 5,900 Ibs. (2 676 kg) 11,000 Ibs. (4 994 kg) 4800 V8 (Auto) 3.73 6,900 Ibs. (3 129 kg) 12,000 Ibs. (5 448 kg) 3.42 3,900 Ibs. (1 769 kg) 9,000 Ibs. (4 086 kg) 4800 V8 (Manual) 3.73 4,900. (2 222 kg) 10,000 Ibs - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 354
'*Maximum weight 7,700 Ibs. (3,492 kg) for fifth-wheel or gooseneck. ***Maximum weight7,700 Ibs. (3,492 kg) for fifth-wheel or gooseneck. zuJ 356 kg -I 4-73 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 355
4-74 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 356
Vehicle* ~ I Ratio Axle 4.10 I Maximum Trailer Weight ~ _ _ I GCWR K-1500 Extended Cab Long Box (4WD) 4800 V8 6, maximum. **Maximum weight 6,800 Ibs. ( 3 084 kg) for fifth-wheel and gooseneck. Vehicle* Ratio1 Axle I Maximum Trailer Weiaht I GCWR " C-2500 LD (2WD** 8,700 Ibs. (3 946 kg) 3.73 14 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 357
** Limited to 12,000 Ibs. (5 443 kg) with weight distributing hitch. 4-76 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 358
Vehicle* Ratio Axle Maximum Trailer Weight C-2500ExtendedCab Lon Box HD 2WD * I I I GCWR * Tongue weight should be 10 percent to 15 percent of trailer weight up to 1,500 Ibs ( - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 359
weight up to 3,000 Ibs. (1 360 kg) maximum. ** Limited to 12,000 Ibs. (5 443 kg) with weight distributing hitch. Vehicle" K-2500 LD (4WD)* 6000 V8 Axle Ratio Maximum Trailer Weight I GCWR 8,200 Ibs. (3 719 kg) 10,200 Ibs. (4 626 kg) I 14,000 Ibs. (6 356 kg) 16,000 Ibs. (7 264 kg) * Tongue - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 360
Vehicle* Axle Ratio Maximum Trailer Weight K-2500 Regular Cab Long Box HD (4WD)* I I I GCWR * Tongue weight should be 10 percent to 15 percent of trailer weight up - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 361
* Tongue weight should be 10 percent to 15 percent of trailer weight up to 1,500 Ibs (680 kg). Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 Ibs. (1 360 kg) maximum. ** Limited to 12,000 Ibs. (5 443 kg) with weight distributing hitch). - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 362
C-3500 Crew Cab (2WD)* 1 4-81 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 363
dealer for our trailering information or advice, or you can write us at the address listed in your Warranty and Owner Assistance Information Booklet. In Canada, write to: General Motors of Canada Limited Customer Communications Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario LIH 8P7 4-82 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 364
See Loading Your Vehicle on page 4-56 for more information about your vehicle's maximum load capacity. If you're using a weight-carrying or a weight-distributing hitch, the trailer tongue sure you don't go over the rear axle limit before you apply the weight distribution spring bars. A B 4-83 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 365
, weight-distributing hitch and sway control of the proper size. This equipment is very important for proper vehicle loading and good handling when you're driving. Your trailer brake system can tap into the vehicle's hydraulic brake system only if: The trailer parts can withstand 3,000 psi (20 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 366
brake controller by hand to be sure the brakes are working. This lets you check your electrical connection at the same time. During your trip, check up slowly and, if possible. have someone guide you. Making Turns Notice: Making very trailer won't strike soft shoulders, curbs, road signs, trees or - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 367
not. It's important to check occasionally to be sure the Tow/Haul Mode Light on page 3-48. If you have a 5-speed manual transmission and you manual transmission out of gear and the parking brake applied) for a few minutes before turning the engine off. If you do get the overheat warning, see Engine - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 368
brakes. ~ i i I cle the shift lever not fullyin PARK (P) with the is parking brake firmly Your vehicle can roll. set. If you have left the engine 1. Apply your regular brakes, but don't shift into PARK (P) yet for an automatic transmission, or into gear for a manual transmission. 2. Have someone - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 369
. Things that are especially important in trailer operation are automatic transmission fluid (don't overfill), engine oil, axle lubricant, belt, cooling system and brake system. Each of these is covered in this manual, and the index will help you find them quickly. If you're trailering, it's a good - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 370
: 0 Trailer Wiring Harness Package Yellow: Left Stopnurn Signal DarkGreen:Right Stop/Turn Signal Brown: Taillamps White: Ground LightGreen:Back-upLamps Light Blue: Center High-Mounted Stoplamp (CHMSL) 0 0 If you need to upgrade your trailer wiring harness, an additional 2-wire harness and 7 pin - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 371
Feed DarkBlue:TrailerBrake Lamps 4 0 0 0 If your trailer is equipped with electric brakes, you can get a jumper harness (electric trailer brake control) with a trailer battery feed fuse from your dealer. If you need to tow a light-duty trailer with a standard four-way round pin connector you can - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 372
. Do not make connections to the lower stud (B) of the relay. The auxiliary battery circuit is protected by a megafuse located behind the auxiliary battery. Be sure to follow the proper installation instructions that are included with any electrical equipment that you install. Notice: When using the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 373
light. To use PTO speed control in Preset Mode (Factory Setting) do the following: 1. Engage the PTO 2. Select PARK (P) or NEUTRAL (N) range. Apply the parking brake is off the brake pedal (and off the clutch on vehicles equipped with a manual transmission). 4. Select the desired engine speed for PTO - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 374
have the resume speed capability. To use PTO speed control in variable mode (while mobile) do the following: 3. Make sure your foot is off the brake pedal (and off the clutch for vehicles equipped with a manual transmission). 4. Select the desired engine speed by using the foot pedal, and select - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 375
to satisfy the requirements of the installed PTO system and body equipment. Step-Bumper Pad Your vehicle has a rear step bumper with a rear step pad at the center of the bumper. If you will be using the bumper to tow a trailer, and your step-bumper has three cutout circles, you must push out the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 376
5 Service and Appearance Care Engine Overheating ...5.36 Cooling System ...5.39 Engine Fan Noise ...5.44 Power Steering Fluid ...5.44 Windshield Washer Fluid ...5.46 Brakes ...5.47 5.50 Battery ...Jump Starting ...5-51 Rear Axle ...5.57 Four-wheel Drive ...5.58 Noise Control System ...5.60 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 377
...5.110 Vehicle Identification Number (VIN) ...10 5-1 Service Parts Identification Label ...5-110 Electrical System ...5-1 11 Add-on Breakers ...5-111 Capacities and Specifications ...5-120 Capacities and Specifications ...5.120 24 Normal Maintenance Replacement Parts ...-5-1 Windshield Wiper - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 378
best and wants you to be happy with it. We hope you'll go to your dealer for all your service needs. You'll get genuine GM parts and GM-trained and supported service people. We hope you'll want to keep your GM vehicle all GM. Genuine GM parts have one of these marks: 5-3 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 379
bag system. Before attempting to do your own service work, see Servicing Your Air Bag-Equipped Vehicle on page 1- 77. You should keep a record with all parts receipts and list the mileage and the date of any service work you Derform. See Part E: Maintenance Record on pane 6-21. Adding Equipment to - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 380
noise when you accelerate or drive uphill is considered normal. This does not indicate a problem exists or that ahigher-octanefuel is necessary. If you are using 87 octane or higher-octanefuel and hear heavy knocking,your engine needsservice. I In Canada, look for the "Auto Makers' Choice" label - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 381
corrode metal parts in your fuel system and also damage the plastic and rubber parts. That damage wouldn't be covered under control system may be affected. The malfunction indicator lamp may turn on. If this occurs, return to your authorized GM dealer for service. Additives To provide cleaner air - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 382
United States or Canada, the proper fuel may be hard to find. Never use leaded gasoline or any other fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel wouldn't be covered by your warranty. T check the fuel availability, ask an auto club, or o contact - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 383
. Your dealer can get one forIf you get you. the wrong type, may not fit properly. This may it cause your malfunction indicator lamp to light and may damage your fuel tank and emissions system. See "Malfunction Indicator Lamp" the Index. in 5-8 While refueling, hang the fuel cap by the tether - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 384
to you and others: Dispense gasoline only into approved containers. * Do not fill a container while it is inside a vehicle, in a vehicle's trunk, pickup bed or on any surface other than the ground. CAUTION: (Continued) Bring the fill nozzle in contact with the inside sf the fill opening before - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 385
inside the vehicle located under and to the left of the steering wheel. Things that burn can get on hot engine parts and start a fire. These include liquids like fuel, oil, coolant, brake fluid, windshield washer and other fluids, and plastic or rubber. You or others could be burned. Be careful not - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 386
2. Then go to the front of the vehicle and pull up on the secondary hood release located near the center of the grill. 3. Lift the hood. Before closing the hood, be sure fillercaps are on all properly. Pull down the hood andclose it firmly. 5-11 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 387
- 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 388
Surge Tank C. Air Filter Restriction Indicator (If Equipped) D. Engine Oil Dipstick E. Automatic Transmission Dipstick (If equipped) F. Fan G. Engine Oil Fill H. Power Steering Fluid Reservoir 1. Remote Negative (-) Terminal (GND) J. Remote Positive (+) Terminal K. Brake Fluid Reservoir L. Clutch - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 389
When you lift up the hood on the VORTEC 5300 V8 engine (VORTEC 4800 and 6000 V8 engines similar), you will see the following: 5-14 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 390
Surge Tank C. Air Filter Restriction Indicator (If Equipped) D. Engine Oil Dipstick E. Automatic Transmission Dipstick (If €quipped) F. Engine Oil Fill G. Fan Y. Remote Negative (-) Terminal (GND) I. Power Steering Fluid Reservoir J. Remote Positive (+) Terminal K. Brake Fluid Reservoir L. Clutch - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 391
When you lift up the hood on the VORTEC 8100 V8 engine you will see the following: 5-16 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 392
K. Brake Fluid Reservoir L. Clutch Fluid Reservoir (If Equipped) M. Underhood Fuse Block N. Battery 0. Windshield Washer Fluid Reservoir Engine Oil If your vehicle has a diesel engine, see "Engine Oil" in the Diesel Engine Supplement. If the CHECK OIL LEVEL light appears on the instrument cluster - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 393
all the way. Remove it again keeping the tip down, and check the level. All Other Engines The engine oil dipstick has a yellow ring handle and is located in the engine compartment on the passenger's side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 394
least one quart of oil. But you must use the right kind. This part explains what kind of oil to use. For engine oil crankcase capacity, see Capacities and Specifications on page 5- 120. Notice: Don't add too much oil. If your engine has so much oil that the oil level gets above the cross-hatched - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 395
by the American Petroleum Institute (API). Do not use any oil which does not carry this starburst symbol. If you choose to perform the engine oil change service yourself, be sure the oil you use has the starburst symbol on the front of the oil container. If you have your oil changed - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 396
necessary. A CHANGE ENGINE OIL light will come on. check your oil regularly and keep it at the proper level. Notice: Use only engine oil with the American Petroleum Institute Certified For Gasoline Engines starburst symbol. Failure to use the recommended oil can result in engine damage not covered - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 397
manual. Also, the oil change reminder will not detect dusty conditions or engine malfunctions bodies of water. Instead, recycle it by taking it to a place that collects used oil. If you have a problem properly disposing of your used oil, ask your dealer, a service station or a local recycling center - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 398
lets you know when the engine air cleaner/filter is dirty and needs to be serviced. The air cleanedfilter indicator is located on the air cleaner cover. See Engine Compartment Overview on page 5-12 for more information on location. See Part B: Owner Checks and Services on page 6- 1I to determine - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 399
. 3. Clean the filter sealing surface and the housing. 4. Install the new engine air cleaner/filter. 5. Reinstall the cover and tighten the screws. Refer to the Maintenance Schedule to determine when to replace the engine air cleanedfilter. See Part B: Owner Checks and Services on page 6-1I - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 400
some of the fluid could come out andfall on hot engine part or exhaust system parts, starting a fire. Too little fluid could cause the transmission any ofthese conditions, change the fluid and filter every 100,000 miles (166 000 km). See Part A: Scheduled Maintenance Services on page 6-4. 0 While pulling a - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 401
have to idle the engine longer. Should the fluid level be low during this cold check, you must check the fluid hot before adding fluid. Checking the fluid hot will . Keep the engine running. With the parking brake applied, place the shift lever in PARK (P). With your foot on the brake pedal, move - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 402
made especially for your automatic transmission. Damage caused by fluid other than DEXRON@ 111 is not covered by your new vehicle warranty. After adding fluid, recheck the fluid level as described under How to Check. 0 When the correct fluid level is obtained, push the dipstick back in all the way - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 403
dealership service department. If you do it yourself, be sure to follow all the instructions here, or you could get a false reading on the dipstick. Notice: Too much or too little fluid can damage your transmission. Too much can mean that some of the fluid could come out andfall on hot engine part - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 404
three seconds and then pull it back out again. 3. Check the fluid level reading. Repeat the check procedure to verify the reading. 0 Allow the engine to run at idle (500-800 rpm). Slowly release the brake pedal. Then, without shutting off the engine, follow these steps: 4. If the fluid level is - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 405
is made especially for your automatic transmission. Damage caused by fluid other than DEXRON@ 111 is not covered by your new vehicle warranty. After adding fluid, recheck the fluid level as described under How to Check. When the correct fluid level is obtained, push the dipstick back in all the way - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 406
GM dealership service department. If you do it yourself, be sure to follow all the instructions here, or you could get a false reading. Notice: Too much or too little fluid can damage your transmission. Too much can mean that some of the fluid could come out and fall on hot engine part or exhaust - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 407
loss in this system could indicate a problem. Have the system inspected and repaired. Refer to the Maintenance Schedule to determine how often you should check the fluid level in your clutch master cylinder reservoir and for the proper fluid. See Part B: Owner Checks and Services on page 6-1 I and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 408
problem with engine overheating, see Engine engine coolant will require change soonerat 30,000 miles -(50,000 km) or 24 months, whichever occurs first. Damage caused by the use of coolant other than DEX-COOL@is not covered engine temperature. Let the warning lights and gages work as they should. 5-33 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 409
could overheat and be badly damaged. The repair cost wouldn't be covered by your warranty. Too much water in the mixture can freeze and crack theengine, radiator, heater core and other parts. The coolant surge tank is located in the engine compartment on the passenger's side of the vehicle. See - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 410
on and stays on, it means you're low on engine coolant. You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts are hot enough. Don't spill coolant on a hot engine. I When replacing the pressure cap, make sure it is hand - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 411
to prevent coolant loss and possible engine damage from overheating. See "Capacities and Specifications" for more information. If an overheated engine condition exists and the REDUCED ENGINE POWER message is displayed, an overheat protection mode which alternates firing groups of cylinders helps - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 412
catches fire because you keep driving with no coolant, your vehicle can be badly damaged. The costly repairs would not be covered by your warranty. See "Overheated Engine Protection Operating Mode" in the Index for information on driving to a safe place an in emergency. Steam from an overheated - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 413
a minute or so: 1. If you have an air conditioner and it's on, turn it off. 2. Turn on your heater to full hot at the highest fan speed and open the window as necessary. You may decide not to lift the hood but to get service help right away. 3. If you're in a traffic - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 414
Cooling System When you decide it's safe to lift the hood, here's what you'll see: All Other Engines A. Coolant Surge Tank 6. Coolant Surge Tank Pressure Cap 8100 V8 Engines C.EngineFan If the coolant inside the coolant surge tank is boiling, don't do anything else until it cools down. The vehicle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 415
increase when idle speed is doubled by pushing the accelerator pedal down. If it doesn't, your vehicle needs service. Turn off the engine. Notice: Engine damage from running your engine without coolant isn't covered by your warranty. See "Overheated Engine Protection Operating Mode" in the Index for - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 416
Coolant to the Coolant Surge Tank Gasoline Engines If you haven't found a problem yet, check to see if coolant is visible in system, including the coolant surge tank pressure cap, is cool before you do it. See Engine Coolant on page 5-33 for more information. out at nigh speea. Never IUe cap when - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 417
/50 mixture of clean, drinkable water and a proper coolant. You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Don't spill coolant on a hot engine. Notice: In cold weather, water can freeze and crack the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 418
mixture, to the FULL COLD mark. 5. With the coolant surge tank pressure cap off, start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fan. By this time, the coolant level inside the coolant surge tank may be lower - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 419
hand-tight and fully seated. You may also hear this fan noise when you start the engine. It will go away as the fan clutch partially disengages. Power Steering Fluid Engine Fan Noise Your vehicle has a clutched engine cooling fan. When the clutch is engaged, the fan spins faster to provide more - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 420
Fluid It is not necessary to regularly check power steering fluid unless you suspect there is a leak in the system or you hear an unusual noise. A fluid loss in this system could indicate a problem. Have the system inspected and repaired. See Engine Compartment Overview on page 5-12 for reservoir - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 421
below freezing, use a fluid that has sufficient protection against freezing. See Engine Compartment Overview on page 5-12 for reservoir location. Notice: e When using concentrated washer fluid, follow the manufacturer's instructions for adding water. Don't mix water with ready-to-use washer fluid - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 422
'll have too much fluid when you get new brake linings. You should add (or remove) brake fluid, as necessary, only when work is done on the brake hydraulic system. I ou have too much brake fluid, it can spill on the engine. The fluid will burn if the engine is hot enough. You or others could be - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 423
without taking off the cap. What to Add When you do need brake fluid, use only DOT-3 brake fluid. Use new brake fluid from a sealed container only. See Part D: Recommended Fluids and Lubricants on page 6- 18. Always clean the brake fluid reservoir cap and the area around the cap before removing it - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 424
wheel nuts in the proper sequence to GM torque specifications. Brake linings should always be replaced as complete axle sets. See Brake System Inspection on page 6- 17. Brake Wear Your vehicle has four-wheel disc brakes. Disc brake pads have built-in wear indicators that make a high-pitched warning - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 425
could be a sign of brake trouble. Battery Your new vehicle comes with a maintenance free ACDelco@battery. When it's time for a new battery, get one that has the replacement number shown on the original battery's label. We recommend an ACDelco@ battery. See Engine Compartment Overview on page 5-12 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 426
in costly damage to your vehicle that wouldn't be covered by your warranty. Trying to start your vehicle by pushing or pulling it won't work, and it could damage your vehicle. 1. Check the other vehicle. It must have a 12-volt battery with a negative ground system. Notice: If the other system - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 427
a manual transmission in NEUTRAL before setting the parking brake. If you have a four-wheel-drive vehicle, be sure the transfer case is in a drive gear not in NEUTRAL. Notice: If you leave your radio on, it could be badly damaged. The repairs wouldn't be covered by your warranty. On V6 engines the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 428
more light. Be sure the battery has enoughwater. You don't need to add water to the ACDelco@ battery installed in your new vehicle. But if a battery has vehicle has one. Negative (-) will go to a heavy, unpainted metal engine part or a remote negative (-) terminal if the vehicle has one. Don't - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 429
a remote negative (-) terminal if the vehicle has one. 8. Don't let the other end touch metal. Connect it to the positive (+) terminal of the good battery. Use a remote positive (+) terminal if the vehicle has one. 10. Don't let the other end touch anything until the next step. The other end of - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 430
a remote negative (-) terminal if the vehicle has one. 12. Now start the vehicle with the good battery and run the engine for a while. 13. Try to start the vehicle that had the dead battery. If it won't start after a few tries, it probably needs service. V8 Engine V8 Engine, Diesel Similar 5-55 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 431
the red positive (+) cable from the other vehicle. 5. Return the positive (+) remote terminal cover to its original position. Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part or Remote Negative (-) Terminal B. Good Battery or Remote Positive (+) and Remote Negative (-) Terminals C. Dead - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 432
Rear Axle When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See Part A: Scheduled Maintenance Services on page 6-4. To get an accurate reading, the vehicle should be on a level surface. The proper level for the 1500 Seriesis from 5/8 inch to 1 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 433
hole. Use care not to overtighten the plug. What to Use Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Part D: Recommended Fluids and Lubricants on page 6- 18. Manual Transfer Case 5-58 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 434
Front Axle When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See Part A: Scheduled Maintenance Services on page 6-4. To get an accurate reading, the vehicle should be on a level surface. If the level is below the bottom of the filler plug - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 435
design incorporated into any new vehicle for the purpose of noise control, prior to its sale ordelivery to the ultimate purchaser or while it is in use; or Air Intake: Removal of the air cleaner silencer. Modification of the air cleaner. Exhaust: Removal of the muffler and/or resonator. Removal of - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 436
gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package. 1. If your vehicle is equipped with two pins, remove the two pins on the top of the headlamp assembly. To remove - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 437
. . I If your vehicle has one pin on the headlamp assembly, remove the pin. To remove the pin, turn the pin up and pull it out straight out. A. Low-Beam Headlamp B. High-BeamHeadlamp 2. Pull the headlamp assembly out. 3. Unplug the electrical connector. 4. Turn the old bulb counterclockwise and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 438
Front Turn Signal, Sidemarker and Daytime Running Lamps 3. Pull the turn signal housing out from the vehicle. 4. Press the locking release lever, turn the bulb socket counterclockwise and remove it from the turn signal housing. 5. Remove the old bulb from the bulb socket. 6. Put the new bulb into - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 439
Roof Marker Lamps 2. Remove the six screws on the center roof marker lamps. 3. Turn the old bulb counterclockwise to remove it from the socket. 5-64 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 440
4. Put a new bulb into the socket and turn clockwise until it locks in place. 5. Reinstall the lens and tighten the screws. 5-65 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 441
High-Mounted Stoplamp (CHMSL) and Cargo Lamp I . Remove the screws and lift off the lamp assembly. A. CargoLamps B. Center High-Mounted Stoplamps 2. Remove the CHMSL bulb holder back plate from the housing by pressing the release tabs. 3. Remove the CHMSL bulb by pulling the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 442
Pickup Box Identification and Fender Marker Lamps 1. Remove the screws and lamp assembly. 2. Unplug the lamp assembly harness. 3. Gently pry the individual lamp from the lamp housing. 4. Unplug the lamp. 5. Plug in a new lamp and snap it into the housing. 6. Reinstall the lamp housing. Taillamps 1. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 443
Your vehicle may have one of the following taillamp assemblies: A. Stoplamp B. Turn Signal C. Back-up Lamp 5-68 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 444
3. Press the release tab, if equipped, and turn the bulb socket counterclockwise to remove it from the taillamp housing. 4. Pull the old bulb straight out from the socket. 5. Press a new bulb into the socket and turn the socket clockwise into the taillamp housing. 6. Reinstall the rear lamp - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 445
Taillamps (Chassis Cab Models) Replacement Bulbs I Exterior LamD Low-Beam Headlamps I Bulb Number I ~~ ~~ ~ A. Turn Signal Lamp B. Stoplamp C.Back-upLamp 1. Using your hands, peel the rubber seal away from the lens. 2. Lift the lens off the lamp assembly. 3. Pull the old bulb straight out from - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 446
different types and are removed in different ways. For proper type and length, see Normal Maintenance Replacement Parts on page 5- 124. To replace the windshield wiper blade assembly do the following: 1. Lift the wiper arm and turn the blade until it is facing away from the windshield. 2. Push the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 447
about your tire warranty and where to obtain service, see your warranty booklet for details. Unde Ifla_ injury. Check all tires frequently to maintain the recommended pressure. Tire pressure should be checked when . You could have an air-out and a serious accident. See "Loading Your Vehicle" - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 448
or overinflation is all right. not. If your tires It's don't have enough air (underinflation), you can get the following: Too much flexing 0 0 When to Check Check your tires once a month or more. Also, check the tire pressure of the spare tire. Too much heat Tireoverloading Bad wear Badhandling - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 449
is the most important. See "Part A: Scheduled Maintenance Services," in Section 6, for scheduled rotation intervals. If yo, Jperal, jour vet-..,.e with a tire t . . J is badly underinflated, the tire can overheat. An overheated tire can lose air - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 450
I FRT FRT 1 If your vehicle has single rear wheels and the tread design for your front tires is the same as your rear tires, always use one of the correct rotation patterns shown here when rotating your tires. If your vehicle has front tires with different tread designs (such as all season vs. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 451
all wheel nuts are properly tightened. See "Wheel Nut Torque" under Capacities and Specifications on page 5-120. If your vehicle has dual rear wheelsand in the inner and outer wheels each side are lined up. on Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 452
Is Time for New Tires One way to tell when it's time for new tires is to check the treadwear indicators, which will appear when your tires have only 1/16 inch (1.6 mm) or 0 The tire has a puncture, cut or other damage that can't be repaired well because of the size or location of the damage. 5-77 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 453
, handling, speed rating, traction, ride and other things during normal service on your vehicle. If your tires have an all-season tread design control while driving. If you mix tires of different sizes or types (radial and bias-belted tires), you could have a crash. Using tiresof different sizes - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 454
rate of the tire when tested under controlled conditions on a specified government test course in driving habits, service practices and differences in available on General Motors passenger cars and light trucks may vary with respect to braking traction tests, and does not inch e acceleration, cornering - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 455
heat when tested under controlled conditions on a specified should be replaced. If the wheel leaks air, replace it (except some aluminum wheels, wheel should have the same load-carrying capacity, diameter, width, offset and be mounted original equipment parts. This way, you will be sure - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 456
could affect the braking and handling of your vehicle, make your tires lose air and make you lose control. You could have problems with bearing life, brake cooling, speedometer or odometer calibration, headlamp aim, bumper height, vehicle ground clearance and tire or tire chain clearance to the body - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 457
can cause damageto the brakes, suspension or other vehicle parts.The area damaged by the tire chains could cause you to lose control of your vehicle and you you must. Use chains that are the proper size for your tires. Install them o the tires of the rear axle. Don't use chains on the tires of - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 458
Gentiy brake to a stop - well off the road if possible. If a tire goes flat, the next part shows how to use your jacking equipment to change a flat tire safely. If a front tire fails, the flat tire will create a drag that pulls the vehicle toward that side. Take your foot off the accelerator pedal - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 459
change your tire. To help prevent the vehicle from moving: 1. Set the parking brake firmly. 2. Put the shift lever in PARK (P). The following steps will tell caseis in a drive gear - not in NEUTRAL. 4. Turn off the engine. 5. Put the wheel blocks at the front and rear of the tire farthest - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 460
Removing the Spare Tire and Tools Extended and Crew Cab@ Regular Cab 5-85 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 461
. For Extended and Crew Cab@models, the equipment is under the passenger's side second row seat. 1. If there is a cover, move the seats forward and turn the wing nut on the cover counterclockwise to remove it. For Crew Cab@ models, pull up the second row seat with the loop at the base - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 462
is equipped with a hoist lock, open the spare tire lock cover on the bumper and use the ignition key to remove the lock. 2. Assemble the instructions on storing the spare or flat tire cnrrectly. Before beginning this procedure read all the instructions. Failure to read and follow the instructions - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 463
exposed. 6. Stand the wheel blocks on their shortest ends, with the backs facing each other. 1. Check under the vehicle to see if the cable end is visible. 2. If it is not visible, the front of the rear bumper. Position the center lift point of the jack under the center of the spare tire. 5-88 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 464
the vehicle, turn the wheel wrench in the hoist shaft hole in the bumper clockwise to raise the cable back up. Have the hoist assembly inspected as been replaced. 9. Turn the wrench clockwise to raise the jack until it lifts the end fitting. 10. Continue raising the jack until the spare tire stops - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 465
L The tools you'll be using include the bottle jack (A), the wheel blocks (B), the jack handle (C), the jack handle extensions (D), and the wheel wrench (E). If the flat tire is on the rear of the vehicle, you'll need to use both jack handle extensions. Attach the wheel wrench to the jack handle - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 466
with wheel nut caps, the wheel nut caps are designed to remain with the center cap. Remove the center cap. Turn the wheel wrench clockwise to raise the jack lift head a little. If the wheel has a smooth center piece, place the chisel end of the wheel wrench in the slot on the wheel and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 467
If the flat tire is on the front of the vehicle (Two-Wheel Drive 1500 Series vehicles), position the jack under the bracket attached to the vehicle's frame, the flat tire is on the rear, position the jack under the rear axle between the spring anchor and the shock absorber bracket. If you have added - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 468
jack you off or could be badly injured killed. Never get under a vehicle when is supported only by jack. it a Raising your vehicle with the jack improperly positioned can damage sure to fit the jack lift head into the proper location before raising the vehicle. Front Position 2WD 1500 Series 5-93 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 469
/ / Front Position All Other Models Rear Position 3. Make sure the jack head is positioned so that the rear axle is resting securely between the grooves that are on the jack head. Turn the wheel wrench clockwise to raise the vehicle. Raise the vehicle far - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 470
the flat tire. 1 5. Remove any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. Rust or dirt on thewheel, or on the parts to which it is fastened, can make the wheel nuts become loose after a time.The wheel could come off and cause an accident. When you - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 471
6. After mounting the spare, reinstall the wheel nuts with the rounded end of the nuts toward the wheel. Tighten each wheel nut by hand using the wheel wrench until the wheel is held against the hub. Front Position All Other Models 5-96 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 472
1 L a , 0 - 3 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 473
torque specification. Notice: Improperly tightened wheel nuts can lead to brake pulsation and rotordamage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper sequence and to the proper torque specification. See "Capacities and Specifications" in the index for the wheel nut - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 474
Stor' g a Flat or Spar€ 'ire and Tools Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in the proper place. Notice: An aluminum wheel with a flat tire - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 475
underside of the wheel. 3. Attach the wheel wrench and extensions together. Insert the hoist end through the hole in the rear bumper and into the hoist shaft. 4. Raise the tire part of the way upward. When the tire is almost in the stored position, adjust the tire so that the valve stem - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 476
6. Make sure the tire is stored securely. Push, pull, and then try to rotate or turn the tire. If the tire moves, use the wheel wrench/hoist shaft to tighten the cable. Put back the jack, tools and spare tire lock, if equipped. PUSH & PULL 5-101 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 477
you strike a match or get them on a hot part of the vehicle. Some are dangerous if you breathe be sure to follow the manufacturer's warnings and instructions. And always open your doors or windows when you vehicle: Don't use any of these unless this manual says you can. In many uses, these will - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 478
soft brush may be used if stains are stubborn. e Special Fabric Cleaning Problems Stains caused by such things as catsup, coffee (black), egg, fruit, fruit juice, milk, soft remains, follow the cleaner instructions described earlier. 3. If trim along stitch or welt lines. 3. Follow the directions on - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 479
cloth and vinyl/leather cleaner. See your dealer for this product. Interior Plastic Components Use only a mild soap and water solution on a soft cloth or sponge. Commercial cleaners may affect the surface finish. Glass Surfaces Glass should be cleaned often. GM Glass Cleaner or a liquid household - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 480
The paint finish on your vehicle provides beauty, depth of color, gloss retention and durability. Washing Your Vehicle Do not bleach or they could stain. Dry the finish with a soft, clean chamois or an all-cotton towel to avoid surface Part D: Recommended Fluids and Lubricants on page 6-18. 5-105 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 481
soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing Your Vehicle." Exterior to the colored basecoat. auto or chrome polish, steam or caustic soap to clean aluminum. A coating of wax, rubbed to high polish, is recommended for all bright metal parts - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 482
. Check the soft clean cloth with mild soap and water. Rinse with clean water. After rinsing thoroughly, dry with a soft chips and scratches can be repaired with touch-up materials avaliable from your dealer or other service outlets. Larger areas of finish damage can be corrected in your dealer's body - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 483
control can collect on the underbody. If these are not removed, accelerated corrosion (rust) can occur on the underbody parts such as fuel lines, no defect in the paint job causes this, GM will repair, at no charge to the owner, the surfaces of new vehicles damaged by this fallout condition within - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 484
covers. Removes dust, fingerprints, and surface contaminants, Spray on wipe off. Removes swirl marks, fine scratches and other light surface contamination. Removes light . I See your General Motors parts department for these products. See Part D: Recommended Fluids and Lubricants on page 6-18. - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 485
Identification The 8th character in your VIN is the engine code. This code will help you identify your engine, specifications and replacement parts. Service Parts Identification Label SAMPL€41JXl M077G7Fi kd You'll find this label located in the glove box. It's very helpful if you ever need - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 486
system. Before attempting to add anything electrical to your vehicle, see Servicing Your Air Bag-Equipped Vehicle on page 1-77. Power Windows and Other Power Options Circuit breakers protect the power windows and other power accessories. When the current load is too heavy, the circuit breaker opens - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 487
Instrument Panel Fuse Block You can remove fuses with a fuse extractor which is mounted to the fuse block access door. To remove fuses, if you don't have a fuse extractor, hold the end of the fuse between your thumb and index finger and pull straight out. You may have spare fuses located behind the - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 488
WPR I Usage I I Not Used Special Equipment Option Accessory Windshield Wipers I I VEH CHMSL IGN 3 4WD HTR N C LOCK (Relay) HVAC 1 L DOOR CRUISE UNLOCK (Relay) Ignition, Heated Seats Four-wheel Drive System, Auxiliary Battery Climate Control System Power Door Lock Relay (Lock Function) Climate - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 489
The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column. 12-WAY Relay Rear Defogger DEFOG HDLNR 1 SPARE RELAY Used Not CB SEAT CB RT DOOR SPARE -~ ~..~ Headliner Wirina Connector " 1 INFO Driver and Passenger Seat Module Circuit - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 490
compartment on the driver's side of the vehicle near the battery. Lift the cover for access to the fuse/relay block. To remove fuses hold the end of the fuse between your thumb and index finger and pull straight out, ... See Engine Comparfment Overview on page 5- 12 for more information on its - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 491
/25A INJ 2/15A diesel fueled engines. See ECMRPVI15A Owners Manual for FUEL HT/15A and #2. functions of studs#I ECMI/15A EDU * REMARQUE: La fonctionetI'intensitA B dc cesfusiblessontdiff&rentespour les essence et les moteurs diesel. moteurs i Voir le Guide du proprichre pour les fonctions plots - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 492
- Diesel Engine. *3 - Gasoline Engine; FUEL HT - Diesel Engine. *4 - Gasoline Engine; ECM I - Diesel Engine. STUD 2 *5 - IGN/EDU Fuses GLOW PLUG CUST FEED STUD #I - LBEC 1 I Left Doors, Truck Body Controller, Flasher Module MBEC BLOWER LBEC TBC BATT I Truck Body Controller Battery Feed - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 493
Power AUX PWR IGN 1 PCM 1 ETC/ECM Auxiliary Power Outlet Console 02B SIR ~ I Ignition Relay ~~ ~~ Powertrain Control Module Electronic Throttle Control, Electronic Brake Controller Instrument Panel Cluster, Air Conditioning Relay, Turn SignaVHazard Switch, Starter Relay ~~ ~ ~~ FRT PARK DRL - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 494
RR RADIO I Air Conditioning Compressor Relay IAMP RADIO RH HID I II HORN I R I Not Used I Audio System Mid Bussed Electrical Center, Rear Heated Seats, HomeLink I Not Used I Horn I Not Used I EAP SEO B1 LO HDLP-LT BTSl CRANK HDLP-RT LO I Headlamp Low Beam-Left I II Brake Transmission - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 495
adding see the refrigerant charge label under the hood for charge capacity information and requirements. Engine VORTEC 4300 V6 VORTEC 4800 V8 VORTEC 5300 V8 VORTEC 6000 V8 VORTEC 8100 V8 Model C/K 1500 & C/K 2500 CIK 3500 Tire Pressure I I Capacities and Specifications VIN Code Type V6 Spark Plug - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 496
be rechecked. See "Cooling System" in the Index. VORTEC 4300 V6 Automatic Transmission VORTEC 4300 V6 Manual Transmission VORTEC 4800 V8 Automatic Transmission VORTEC 4800 V8 Manual Transmission VORTEC 5300 V8 Automatic Transmission VORTEC 5300 V8** Automatic Transmission VORTEC 6000 V8 Automatic - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 497
8100 V8 Manual Transmission VORTEC 8100 V8 Automatic Transmission * Vehicles equipped with the optional engine oil cooler. ** Vehicles equipped with the optional air conditioner. English 14.8 quarts 21 .I quarts (14.0 L) (20.0 L) I 20.7 quarts I (19.6 L) Engine Oil With Filter After refill - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 498
Fuel Tank 26.0 gallons Short Bed Long Bed Chassis Cab (pickup Box Delete) Chassis Cab 3500 Chassis Cab 3500 (California) Chassis Cab 3500 Chassis Cab 3500 (California) Chassis Cab 3500HD Chassis Cab 3500HD Air Conditioning Refrigerant Capacity Air Conditioning Refrigerant R-l34a 34.0 gallons - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 499
Normal Maintenance Replacement Parts *ACDelco@part number ** GM part number ***Denso part number ? A I 518C high-capacity air cleaner filter may be substituted. t t N G K part number 5-124 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 500
...6.16 Fuel System Inspection ...6-16 Engine Cooling System Inspection ...6-16 Throttle System Inspection ...-6-17 Transfer Case and Front Axle (Four-wheel Drive) Inspection ...6-17 Brake System Inspection ...6-17 Part D: RecommendedFluids and Lubricants ...6-18 Part E: Maintenance Record ...6-21 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 501
affect the quality of the air we breathe. Improper fluid levels checks, inspections and recommended fluids and lubricants as prescribed in this manual are necessary to keep your vehicle in good working condition. Any damage caused by failure to follow recommended maintenance may not be covered - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 502
you should let your dealer's service department or another aualified service center do these jobs. If you want to get the service information, see Service Publications Ordering Information on page 7-IO. "Part B: Owner Checks and Services" tells you what should be checked and when. It also explains - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 503
how it indicates when to change the engine oil and filter. Lubricate chassis components with each oil change. Also, listed are scheduled maintenance services which are to be performed at the mileage intervals specified. This part tells you the maintenance services you should have done and when you - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 504
(332 000 km) for the life of this vehicle. See Part B: Owner Checks and Services on page 6-1 1 and Part C: Periodic Maintenance Inspections on page 6-16. Engine Oil and Chassis Lubrication Scheduled Maintenance Change engine oil and filter as indicated by the GM Oil Life SystemTM every 12 months - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 505
Allison Transmission Only: Replace the external control-main filter. 15,000 Miles (25000 km) 0 Inspect engine air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. (See footnote f.) U Check rear/front axle fluid level and add fluid as - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 506
(75 000 km) U Inspect engine air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. (See footnote t.) U Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. 0 Rotate tires - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 507
) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for filter. An Emission Control Service (See footnote t.) 0 Replace engine air cleaner filter. An Emission Control Service. 0 Inspect Evaporative Control System. Check all fuel and vapor lines - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 508
Miles (150 000 km) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. 0 Replace fuel filter. An Emission Control Service. (See Footnote t.) 0 Replace engine air cleaner filter. An Emission Control Service. 0 Rotate tires. See Tire - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 509
Emission Control Service. 0 Replace spark plugs. An Emission Control Service. 0 Change automatic transmission fluid and filter if Control Service. 0 Change five-speed manual transmission fluid (with 4300 V6 or 4800 V8 engines only). 0 Inspect engine accessory drive belt. An Emission Control Service - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 510
, dependability and emission control performance of your vehicle. Be sure any necessary repairs are completed at once. Whenever any fluids or lubricants are added to your vehicle, make sure they are the proper ones, as shown in Part D. Engine Coolant Level Check Check the engine coolant level and - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 511
air bag coverings, and have them repaired or replaced. (The air bag system does not need regular maintenance.) Engine Air Cleaner Filter Restriction Indicator Check 12 Manual Transmission Check Check the transmission fluid level; add if needed. See Manual Transmission Fluid on page 5-31. Check for - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 512
brake and the regular brake. See Parking Brake on page 2-44 if necessary. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts. At Least Once a Year Key Lock Cylinders Service Lubricate the key lock cylinders with the lubricant specified in Part D. Body - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 513
Control System Check Ignition Transmission Lock Check While parked, and with the parking brake set, try to turn the ignition key to LOCK in each shift lever position. e With an automatic transmission, the key should turn to LOCK only when the shift lever is in PARK (P). With a manual transmission - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 514
at once should the vehicle begin to move. To check the PARK (P) mechanism's holding ability: With the engine running, shift to PARK (P). Then release the parking brake followed by the regular brake. Underbody Flushing Service At least every spring, use plain water to flush any corrosive materials - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 515
center do these jobs. Make sure any necessary repairs are completed at once. Proper procedures to perform these services may be found in a service manual. See Service Publications Ordering Information on page 7-10. Exhaust System Inspection Inspect the complete exhaust system. Inspect the body - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 516
not lubricate accelerator and cruise control cables. Brake System Inspection Inspect the complete system. inspect brake lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect disc brake pads for wear and rotors for surface condition. Inspect other brake parts, including - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 517
1095351 7, or equivalent DOT-3 brake fluid). Hydraulic Clutch Fluid. Use only GM Part No. U S . 88958860, in Canada 88901 244. Engine Oil GM Power Steering Fluid (GM Part Power Steering No. U S . 1052884, in Canada System 993294, or equivalent). Manual Transmission (5-Speed with Low Gear, RPO - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 518
115. Usage Rear Axle (Steerable) Manual Transfer Case Automatic Transfer Case Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.) Rear Driveline Center Spline Fluid/Lubricant Synthetic Axle Lubricant; use only GM Part No. 12378557 (in Canada, 88901362). Do - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 519
Hinges Body Door Hinge Pins, Tailgate Hinge and Linkage, Folding Seat and Fuel Door Hinge Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474, or equivalent). Usage Weatherstrip Conditioning Weatherstrip Squeaks Fluid/Lubricant Dielectric Silicone Grease (GM Part No - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 520
E: Maintenance Record After the scheduled services performed, record the date, odometer reading and who performed the service and any are additional information from "Owner Checks and Services" or "Periodic Maintenance" on the following record pages, Also, you should retain all maintenance receipts - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 521
Maintenance Record (cont'd) Serviced By Maintenance Record 6-22 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 522
Maintenance Record (cont'd) 6-23 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 523
Maintenance Record (cont'd) 6-24 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 524
Government ...7-10 Reporting Safety Defects to General Motors ...7-10 Service Publications Ordering Information ...7.10 Customer Assistance Information ...7.2 Customer Satisfaction Procedure ...72 . Online Owner Center ...7-3 Customer Assistance for Text Telephone (TTY) Users ...7-4 Customer - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 525
already been reviewed with the sales, service or parts manager, contact the owner of the GMC Consumer Relations Manager by calling 1-800-GMC-8782 (1-800-462-8782, Customer Assistance prompt). In Canada, contact GM of Canada should file with the GM/BBB Auto Line Program to enforce any additional rights - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 526
or write them at the following address: BBB Auto Line Council of Better Business Bureaus, Inc. 4200 place. The Owner Center allows you to: Get e-mail service reminders. Access information manual. Keep track of your vehicle's service history and maintenance schedule. e Find GM dealers for service - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 527
customers to call the toll-free number for assistance. If a U.S. customer wishes to write to GMC, the letter should be addressed to GMC's Customer Assistance Center. Canada General Motors of Canada Limited Customer Communication Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 1-800 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 528
toward aftermarket driver or passenger adaptive equipment you may require for your vehicle (hand controls, wheelchair/scooter lifts, details or call the GM Mobility Assistance Center at 1-800-323-9935. Text telephone (TTY) users, call 1-800-833-9935. GM of Canada also has a Mobility Program. Call 1- - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 529
provide assistance when you call. The Roadside Assistance services listed are available to retail lease customers operating 2003 GMC light duty trucks for a period of 3 years/36,000 miles (60,000 km). All services must be pre-arranged by GMC Roadside Assistance. Over-the-phone assistance, such as - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 530
and description of problem Roadside Assistance is available 24 hours a day, 7 days a week, 365 days a year, including weekends and holidays. Should you have any questions about roadside assistance, call the GMC Roadside Assistance Center or Contact your dealer. Roadside Assistance is not part of or - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 531
Transportation Options Warranty service can generally be completed while you wait. However, if you are unable to wait, GMC helps minimize your obtained, at an actual cost, up to a maximum of $30.00 per day supported by receipts. This requires that you sign and complete a rental agreement and meet - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 532
Bumper-to-Bumper warranty coverage period, but it is not part such as shuttle service, may not be of Canada New Vehicle Limited Warranty, alternative transportation in individual problems between you, your dealer or General Motors. To contact NHTSA, you may either call the Auto Safety Hotline - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 533
addition to notifying General Motors of Canada Limited. You may write to: Service Publications Ordering Information Service Manuals Service Manuals have the diagnosis and repair information on engines, transmission, axle, suspension, brakes, electrical, steering, body, etc. RETAIL SELL PRICE: $120 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 534
: Includes a Portfolio, Owner's Manual, and Warranty Booklet. RETAIL SELL PRICE: $35.00 Without Portfolio: Owner's Manual only. RETAIL SELL PRICE: $25 Canadian residents are to make checks payable in U.S. funds. Current and Past Model Order Forms Service Publications are available for current - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 535
- 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 536
Supplement to the 2003 Silverado, Sierra, Tahoe, Suburban, Yukon, Yukon XL, Sierra Denali Owner's Ma.nual This information is in additionto the "Passenger Sensing System" information foundin Section 1 of your owner's manual. Passenger Sensing System Accident statistics show that children are - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 537
child who has outgrown child restraints or if there is a critical problem with the air bag system or the passenger sensing system. For some children who turn off the right front passenger's frontal air bag, depending upon the person's seating posture and body build. Everyone in your vehicle who has - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 538
Engine ...All Overseas Locations ...7-5 Aluminum or Chrome-Plated Wheels ...5-107 AM ...3-123 AM-FM Radio ...3-69 Antenna, Fixed Mast ...3-125 Antenna,XMTM Satellite Radio System ...3-125 Anti-lock Brake System ...1 ...4-6 Anti-Lock Brake, System Warning Light Steering Wheel Controls ...3-122 Care - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 539
Protection ...Battery Warning Light ... 4-85 5-50 3-61 2-6 3-18 3-38 Before Leaving on a Long Trip ...4-42 Before You Drive ...3-111 Body Lubrication Service ...6-13 Brake 2-44 Parking ...System Inspection ...6-17 3-40 SystemWarning Light ...Brake Adjustment ...5-50 Brake Fluid ...5-47 Brake Pedal - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 540
Canada ...7-4 ii Canadian Owners ...Canadian Roadside Assistance ...7-7 5-120 Capacities and Center Overhead Console ...Center Passenger Position, Safety Belts ...1-24 Chains, Tires ...5-82 CHANGEENGINEOIL ...3-60 Check Engine Light ...3-44 Check Engine Light ...3-44 CHECK OIL LEVEL ...3-65 CHECK - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 541
Control ofa Vehicle ...4-5 Coolant EngineTemperatureGage ...3-42 Heater,Engine ...2-25 5-36 Surge Tank Pressure Cap ...5-39 Cooling System ...1-52 Crew Cab ...3-10 Cruise Control ...A Cruise Control Light Program ...7-6 Service Publications Ordering Information ...7-10 D DAB Radio ...3-123 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 542
...1-16 DRIVERDOORAJAR ...3-67 3-50 Driver Information Center (DIC) ...3-50 DIC Operation and Displays Dual AutomaticClimate Control System ...3-24 3-21 Dual Climate Control System ...1-65 Dual Stage Air Bags ... Engine Air Cleaner/Filter ...5-23 Battery ...5-50 Check and Service Engine Soon Light - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 543
Screen ...DVD Distortion ...3-123 Entry Lighting ...3-17 Exit Lighting ...3-17 Express DownWindows ...2-16 Extended Cab ...1-52 Extended Cab and Crew Cab ...1-49 Extender, Safety Belt ...1-31 Exterior Lamps ...3-13 F FabricKarpet ...5-102 Filter Engine Air Cleaner ...5-23 Finding a PTY Station - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 544
Front Axle Locking Feature ...2-35 Front Reading Lamps (if Equipped) ...3- ...3-49 5-5 GasolineOctane ...5-5 Gasoline Specifications ...Low Warning Light ...3-49 6-16 System Inspection ...3-53 Fuel Information ...4-44 4-84 Hitches ...Hood Checking Things Under ...5-10 Release ...5-10 Horn ...3-6 , 7 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 545
System ...6-16 Part C - Periodic Maintenance ...6-16 Steering and Suspension ...6-16 6-17 Throttle System ...Transfer Case and Front Axle ...6-17 (Four-wheel Drive) ...Installing a Garage Door Opener ...2-63 Instrument Panel 3-31 Cluster ...Overview ...3-4 Instrument Panel Brightness Control ...3-17 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 546
47 ...3-67 LEFT REAR DOOR AJAR (Crew Cab) Light 3-33 Air Bag Off ...Air Bag Readiness ...3-33 Anti-Lock Brake System Warning ...3-41 BatteryWarning ...3-38 BrakeSystemWarning ...3-40 Cruise Control ...3-48 Four-Wheel-Drive ...3-48 Light (cont.) Low Fuel Warning ...3-49 Malfunction Indicator ...3-44 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 547
11 Brake System Inspection ...6-17 Engine Cooling System Inspection ...6-16 Exhaust System Inspection ...6-16 Fuel System Inspection ...6-16 6-3 How This Section is Organized ...6-2 Introduction ...Maintenance Requirements ...6-2 Part A - Scheduled Maintenance Services ...6-4 Part B - Owner Checks - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 548
Engine ...5-17 3-47 Pressure Gage ...OIL LIFE RESET ...3-60 OIL PRESSURE LOW ...3-61 1-32 OlderChildren,Restraints ...7-3 Online Owner Center ... Onstar@Personal Calling ...2-62 Onstar@Services ...2-61 2-62 Onstar@ Steering Wheel Controls Mirrors ...2-60 Heated Mirrors ...Manual Mirrors ...2-57 2-59 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 549
...2-45 Power Shifting Outof ...2-48 Accessory Outlets ...3-18 DoorLocks ...2-9 Parking Brake ...2-44 Electrical System ...5-111 Over Things That Burn ...2-49 Lumbar Controls ...1-4 Parking Brake and Automatic Transmission 1-4 Seat ...Park (P) Mechanism Check ...6-15 Steering Fluid ...5-44 ...4-87 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 550
Alarm ...3-114 Remote Control ...Remote Keyless Entry System ...2-4 Remote KeylessEntrySystem. Operation ...2-5 Removing the Flat Tire and Installing the Spare Tire ...5-92 Removing the Spare Tire and Tools ...5-85 5-70 Replacement Bulbs ...5-50 Replacing Brake System Parts ...Replacing Restraint - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 551
Systems ...1-79 Checking ...Replacing Parts ...1-80 Restraints. Head ...1-7 Retained Accessory Power (RAP) ...2-23 3-67 RFA # BATTERY LOW ...Right 51 Running Your Engine While YouAre Parked ...2-50 Safety Belt 3-32 Reminder Light ...Safety Belts Care of ...5-105 Center Passenger Position ...1-24 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 552
23 Starting Your V8 Engine ...2-24 4-12 Steering ...Steering and Suspension Inspection ...6-16 Steering in Emergencies ...4-13 Steering Tips ...4-12 3-122 Steering Wheel Controls, Audio ...4-94 Step-Bumper Pad ...Stereo RCA Jacks ...3-1 16 Storage Areas ...2-63 Center Console Storage Area ...2-66 - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 553
Control System 5-60 Prohibited ...Temperature and Compass Display ...2-52 Temperature Display ...2-55 Testing the Alarm ...2-1 9 Theft-Deterrent, Radio To Use the Engine Coolant Heater Manual Selectable Ride ...Off Light ...3-41 TRACTION ACTIVE ...3-65 Trailer Recommendations ...4-65 Trailer Brakes - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 554
...3-39 Up-Shift Light ...Using Cleaner on Fabric ...5-103 3-109 Using Song List Mode ...4-51 Using the Recovery Hooks ... Vehicle Control ...4-5 Damage Warnings ...iv 4-56 Loading ...Parking Your ...2-48 iv Symbols ...Vehicle Identification Number (VIN) ...5-1 10 Service Parts Identification Label - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 555
...5-80 5-19 When to Add Engine Oil ...When to Change Engine Oil 5-21 (GM Oil Life SystemTM)...When to Check ...5-31, 5-73 When to Manual ...2-16 Power ...Swing-Out Windows ...2-17 5-106 Windshield and Wiper Blades ...Windshield Washer ...3-9 Fluid ...5-46 Windshield Washer Fluid Level Check - 2003 GMC Sierra 1500 Pickup | Owner's Manual - Page 556