2003 GMC Sonoma Owner's Manual
2003 GMC Sonoma Manual
2003 GMC Sonoma manual content summary:
- 2003 GMC Sonoma | Owner's Manual - Page 1
- 2003 GMC Sonoma | Owner's Manual - Page 2
The 2003 GMC Sonoma Owner Manual Seats and Restraint Systems ...1-1 Front Seats ...1-3 Rear Seats ...1-9 Safety Belts ...1-11 1-31 Child Restraints ...1-55 Air System Bag Restraint System Check ...1-66 Features and Controls ...2-1 2-2 Keys ...Doors Locks and ...2-7 Windows ...2-13 2-16 Theft- - 2003 GMC Sonoma | Owner's Manual - Page 3
. In this manual, you'll find that pictures and words work together to explain things. Index A good place to look for what you need is the Index in back of the manual. It's an alphabetical list of what's in the manual, and the page number where you'll find it. Litho in U S A . Part No. X2308 - 2003 GMC Sonoma | Owner's Manual - Page 4
you about things that could hurt you if you were to ignore the warning. 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 !et this happen." ~~~~~ These mean there is something that could hurt you or other people - 2003 GMC Sonoma | Owner's Manual - Page 5
Climate Controls in Section 3 Warning Lights, Gages and Indicators in Section 3 Audio Systems in Section 3 Engine Compartment Overview in Section 5 Notice: These mean there is something that could damage your vehicle. A notice will tell you about something that can damage your vehicle. Many times - 2003 GMC Sonoma | Owner's Manual - Page 6
z COOLANT AVO ID SPARKS OR FLAMES SPARK OR FLAME COULD EXPLODE BATTERY 111' ' POWER WINDOW L '* DO NOT INSTALL A FORWARD-FACING CHILD RESTRAINT IN THIS SEATING POSITION DOOR LOCK UNLOCK d 9% OWNER'S MANUAL ENGINE OIL PRESSURE SERVICE -- I LAMPS #O ANTI-LOCK BRAKES ( ) @ SERVICE MANUAL - 2003 GMC Sonoma | Owner's Manual - Page 7
L - 2003 GMC Sonoma | Owner's Manual - Page 8
Infants and Young Children ...1-33 Child Restraint Systems ...-1-37 Where to Put the Restraint (Regular Cab and Extended Cab Pickup) ...1-40 Where to Put the Front Seat Position ...1-49 Front Seats ...1-3 Manual Seats ...1-3 Power Seats ...1-4 Manual Lumbar ...1-4 1-5 Power Lumbar ...Heated Seats - 2003 GMC Sonoma | Owner's Manual - Page 9
1 Seats and Restraint Systems Servicing Your Air Bag-Equipped Vehicle ...1-64 Adding Equipment to Your Air Bag-Equipped Ve hide ...1-65 Restraint System Check ...1-66 Checking Your Restraint Systems ...1-66 Replacing Restraint System Parts After a 1-67 Crash ... Air Bag System ...1-55 Where Are - 2003 GMC Sonoma | Owner's Manual - Page 10
and fold them up and down. You can lose control of the vehicle if you try to adjust a manual driver's seat while the vehicle is moving. The manual seat up to unlock it. Slide the seat to where you want it and release the lever. Try to move the seat with your body to make sure the seat is locked - 2003 GMC Sonoma | Owner's Manual - Page 11
If your vehicle has this feature, there will be a control on the outboard side of the front seat(s). Vertical Control: Move the reclining front seatback forward or rearward by moving the control toward the front or rear of the vehicle. Manual Lumbar If your vehicle has this feature, there will be - 2003 GMC Sonoma | Owner's Manual - Page 12
until you have the desired lumbar support. To decrease lumbar support, press and hold the rear of the control. This feature will quickly heat the lower cushion and lower back of the driver's and front passenger's seats for added comfort. Press the lower part of the switch to turn the heater on - 2003 GMC Sonoma | Owner's Manual - Page 13
a manual seatback, lift the lever on the outboard side of the seat. Release the lever to lock the seatback where you want it. To return the seat to an upright position, pull up on the lever without pushing on the seatback. If your vehicle is equipped with the vertical power seat control described - 2003 GMC Sonoma | Owner's Manual - Page 14
like this. The shoulder belt can't do its job because it won't be against your body. Instead, it will be in front of you. In a crash you could go when the vehicle is in motion, have the seatback upright. Then sit well back in the seat and wear your safety belt properly. ~ Head restraints are - 2003 GMC Sonoma | Owner's Manual - Page 15
of the seat rearward and pull the seatback forward. If the seatback isn't locked, it could move forward in a sudden stop or crash. That could cause seatback to be sure it is locked. To return the seatback to the upright position, push the seatback all the way back until the latch catches. If the - 2003 GMC Sonoma | Owner's Manual - Page 16
driver's or passenqer's side. Then'tilt the seatback If the seatback isn't locked, it could move forward in a sudden stop or crash. That could cause sitting there. Always press rearward on the seatback to be sureit is locked. 1 To return the seatback to the upright position, push the seatback - 2003 GMC Sonoma | Owner's Manual - Page 17
Jump Seat If your vehicle has an extended cab pickup, there is a jump seat in the rear area. To fold the jump seat down, pull down on the pull tab on the bottom - 2003 GMC Sonoma | Owner's Manual - Page 18
Safety Belts Safety Belts: They Are for Everyone This part of the manual tells you how to use safety belts properly. It also tells you some things you should not do with safety belts. It is extremely dangerous to ridetn a cargo area, inside or outside of a vehicle.In a collision, people riding in - 2003 GMC Sonoma | Owner's Manual - Page 19
comes on as a reminder to buckle up. See Safety Belt Reminder Light on page 3-27. Why Safety Belts Work When you ride in or on anything, you go as fast as it goes facts are clear. In most crashes buckling up does matter...a lot! Take the simplest vehicle. Suppose it's just a seat on wheels. 1-12 - 2003 GMC Sonoma | Owner's Manual - Page 20
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The person keeps going until stopped by something. In a real vehicle, it could be the windshield... or the instrument panel... 1-14 - 2003 GMC Sonoma | Owner's Manual - Page 22
out, is much greater if you are belted. or the safety belts! With safety belts, you slow down as the vehicle does. You get more time to stop. You stop over more distance, and your strongest bones take the forces. That's why safety belts make such good sense. 1-15 - 2003 GMC Sonoma | Owner's Manual - Page 23
has air bags, why should I have to If wear safety belts? How to Wear Safety Belts Properly This part is only for people of adult size. Be But they are supplemental systems only; so they work with safety belts - not instead of them. Every air bag system ever offered for sale has required the use - 2003 GMC Sonoma | Owner's Manual - Page 24
Driver Position This part describes the driver's restraint system. The driver has a lap-shoulder belt. Here's how to wear it properly. 1. Close and lock the door. 2. Adjust the seat so you can sit up straight. To see how, see "Seats" in the Index. 3. Pick up the latch plate and pull the - 2003 GMC Sonoma | Owner's Manual - Page 25
5. To make the lap part tight, pull down on the buckle end of the belt as you pull 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 crash, or if you pull the - 2003 GMC Sonoma | Owner's Manual - Page 26
your shouider beit 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. 1-19 - 2003 GMC Sonoma | Owner's Manual - Page 27
Q: What's wrong with this? You can be seriously injured if your beltis 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 buckle - 2003 GMC Sonoma | Owner's Manual - Page 28
this? You can be seriously injured if you wear the shoulder belt under your arm. In a crash, your body would move too forward, which would far increase the chanceof head and neck injury. Also, the belt would apply belt is worn under the arm. It should be worn over the shoulder at all times. i -2'1 - 2003 GMC Sonoma | 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. L I I I I I 1 I I A: The belt is twisted across the body 1-22 - 2003 GMC Sonoma | Owner's Manual - Page 30
. To unlatch the belt, just push the button on the buckle. The belt should go back out of the way. Before you close the door, be sure the belt is out of the way. If you slam the door on it, you can damage both the belt and your vehicle. A pregnant woman should - 2003 GMC Sonoma | Owner's Manual - Page 31
key to making safety belts effective is wearing them properly. Center Passenger Position Lap Belt Right Front Passenger Position To learn locking feature. If this happens, just let the belt go back all the way and start again. If your vehicle has a front bench seat, someone can sit in the center - 2003 GMC Sonoma | Owner's Manual - Page 32
free end as shown until the belt is snug. Buckle, position and release it the same way as the lap part of a lap-shoulder belt. If the belt isn't long enough, see Safety Belt Extender on page 1-30. Make sure the release button on the buckle is positioned so you would be able to - 2003 GMC Sonoma | Owner's Manual - Page 33
Rear Seat Passengers (Extended Cab Jump Seat) Lap Belt This is a reserve seating position equipped with a lap belt. It's very important for rear seat passengers to buckle up! Accident - 2003 GMC Sonoma | Owner's Manual - Page 34
the belt, as shown until it is snug. Buckle and position it the same way as the lap part of the driver's safety belt. See Driver Position on page 1-17. Make sure the release button on the buckle is positioned so you would be able to unbuckle the safety belt quickly if - 2003 GMC Sonoma | Owner's Manual - Page 35
the shoulder belt is pulled out all the way, it will lock. If it does, let it go back all the way and start again. If the belt is not long enough, see Safety Belt Extender on page 1-30. Make sure the release button on the buckle is positioned so you would be able - 2003 GMC Sonoma | Owner's Manual - Page 36
The spfnty belt also locks if \'OU pull the belt very quickh I r t nf the retrm3nr. 1 You can be seriously hurt iI ,our shoLIJer 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. L The lap part of the belt - 2003 GMC Sonoma | Owner's Manual - Page 37
's free. When you go in to order it, take the heaviest coat you will wear, so the extender will be long enough for you. The extender will be just for you, and just for the seat in your vehicle that you choose. Don't let someone else use it, and use it - 2003 GMC Sonoma | Owner's Manual - Page 38
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 Sonoma | Owner's Manual - Page 39
can be crushed together and seriously injured. A belt must be used by only one person a time. at Q: What if a child is wearing a lap-shoulder belt, but the child is the child's shoulder, so that in a crash the child's upper body would have the restraint that belts provide. If the child is so small - 2003 GMC Sonoma | Owner's Manual - Page 40
in a seat that has a lap-shoulder belt, but the shoulder part is behind the child. If the child wears the belt in this This includes infants 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. In fact - 2003 GMC Sonoma | Owner's Manual - Page 41
Every time infants and young children ride in vehicles, they should have the protection provided by appropriate restraints. Young children should not use the vehicle's adult safety - 2003 GMC Sonoma | Owner's Manual - Page 42
older children, but not for young children and infants. Neither the vehicle's safety belt system nor its air bag system designed for is them. Young children and infants need the protection that a child restraint system can provide. Q: What are the different types of add-on child restraints? A: Add - 2003 GMC Sonoma | Owner's Manual - Page 43
safety standards. The restraint manufacturer's instructions that come with the restraint state n infants need c --lplete support, including support for the head and neck. part of an infant's body, the back and shoulders. Infants always should be secured in appropriate infant restraints. ~ The body - 2003 GMC Sonoma | Owner's Manual - Page 44
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 Sonoma | Owner's Manual - Page 45
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 of the vehicle's safety belt system. Some booster seats have a shoulder belt positioner, and some high-back booster seats - 2003 GMC Sonoma | Owner's Manual - Page 46
an add-on child restraint, refer to the 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 are important, so if they are not available, obtain a replacement copy from the manufacturer. 1-39 - 2003 GMC Sonoma | Owner's Manual - Page 47
the back of the rear-facing child restraint would be very close to the inflating air bag. Be sure to turn off the air bag before using a rear-facing child restraint in the right front seat position. Even though the AIR BAG OFF switch is designed to turnoff the passenger's frontal air bag, no system - 2003 GMC Sonoma | Owner's Manual - Page 48
if the right front passenger's air bag inflates. This is because the back of the rear-facing child you do, always move the front passenger seat as far back as it will go. It's better to secure the a crew cab model, be sure to study the instructions that came with your child restraint to see if there - 2003 GMC Sonoma | Owner's Manual - Page 49
secured in the vehicle's right front seat, the seat should be moved back as far as possible. However, it is better to secure the restraint top strap always to be anchored. Be sure to read and follow the instructions for your child restraint. If yours requires that the top strap be anchored, don't - 2003 GMC Sonoma | 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 Anchor points for the top strap in a regular or extended cab are located behind the front seat. 1-43 - 2003 GMC Sonoma | Owner's Manual - Page 51
up between the seat cushion and the seatback. In order to use the system, you need either a forward-facing child restraint that has attaching points (B) the back wall behind the rear seat. Lower Anchorages and Top Tethers for Children (LATCH System) If your vehicle is equipped with the LATCH System, - 2003 GMC Sonoma | Owner's Manual - Page 52
using the anchorage points, or use the vehicle's safety belts to secure the restraint. See "Securing a Child Restraint Designed for the LATCH System", "Securing a Child Restraint in a Rear Outside Seat Position" or "Securing a Child Restraint in the Right Front Seat Position'' in the Index for - 2003 GMC Sonoma | Owner's Manual - Page 53
for the LATCH System 1. Find the anchors for the seating position you want to use, where the bottom of the seatback meets the back of the seat System) on page 1-44. You'll be using the lap-shoulder belt. See Top Strap on page 1-42 if the child restraint has one. Be sure to follow the instructions - 2003 GMC Sonoma | Owner's Manual - Page 54
the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 4. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 3. Buckle the belt. Make sure the release button is positioned so you would be able to unbuckle the - 2003 GMC Sonoma | Owner's Manual - Page 55
way. The safety belt will move freely again and be ready to work for an adult or larger child passenger. Extended Cab (Jump Seat) 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 - 2003 GMC Sonoma | Owner's Manual - Page 56
properly. If your child restraint is equipped with the LATCH system, see Lower Anchorages and Top Tethers for Children (LATCH System) on page 1-44. Your vehicle has a passenger air bag. If your vehicle is a regular cab pickup or an extended cab pickup, there's a switch on the instrument panel that - 2003 GMC Sonoma | Owner's Manual - Page 57
. This is because the back of the rear-facing child restraint would be very close to the inflating air bag. If your vehicle is a crewcab, do not use a rear-facing child restraint in the right front passenger's position. If your vehicle is a regular cab pickup oran extended cab pickup, be sure - 2003 GMC Sonoma | Owner's Manual - Page 58
back as it will go. If the a ~ bag readiness light ever comes on r 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 your vehicle) until you have your vehicle serviced. See "Air Bag Off Switch" in the Index. Although - 2003 GMC Sonoma | Owner's Manual - Page 59
came with the child restraint. Secure the child in the child restraint when and as the instructions say. 1 . Your vehicle has a right front passenger air bag. IT your vehicle is a regular cab pickup or extended cab pickup and you are using a rear-facing child restraint in this seat, make sure the - 2003 GMC Sonoma | Owner's Manual - Page 60
5. Pull the rest of the lap belt all the way out of the retractor to set the lock. 6. To tighten the belt, feed the shoulder belt back into the retractor while you push down on the child restraint. If you are using a forward-facing child restraint, you may find it helpful to - 2003 GMC Sonoma | Owner's Manual - Page 61
and let it go back all the way. The safety belt will move freely again and be ready to work for an adult or larger child passenger. If you were using a rear-facing child restraint in a regular cab model or a extended cab model, turn on the right front passenger's air bag when you - 2003 GMC Sonoma | Owner's Manual - Page 62
Air Bag System 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 air bag. But these air bags must inflate very - 2003 GMC Sonoma | Owner's Manual - Page 63
. Neither the vehicle's safety belt system nor its air bag system is designed for them. Young children and infants need the protection that a child restraint system can provide. Always secure children properly in your vehicle.To read how, see the parts of this manual called "Older Children" and - 2003 GMC Sonoma | Owner's Manual - Page 64
panel, 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 3-28. The driver's air bag is in the middle of the steering wheel. 1-57 - 2003 GMC Sonoma | Owner's Manual - Page 65
even death. The path of an inflating air bag must be kept clear. Don't put anything between an occupant and an air bag, and don't attach or put anything the on. steering wheel hub or on or near any other air bag covering. The right front passenger's air bag is in the instrument panel on the - 2003 GMC Sonoma | Owner's Manual - Page 66
that the vehicle is in a crash. The sensing system triggers a release of gas from the inflator, which inflates the air bag. The inflator, air bag, and related hardware are all part of the air bag modules inside the steering wheel and in the instrument panel in front of the right front passenger - 2003 GMC Sonoma | Owner's Manual - Page 67
that some people may not even realize the air bag inflated. Some components of the air bag module - the steering wheel hub for the driver's air bag, or the instrument panel for the right front passenger's bag - will be hot for a short time. The parts of the bag that come into contact with you - 2003 GMC Sonoma | Owner's Manual - Page 68
need some new parts for your air bag system. If you don't get them, the air bag system won't be there to help protect you in another crash. A new system will include air bag modules and possibly other parts. The service manual for your vehicle covers the need to replace other parts. Your vehicle is - 2003 GMC Sonoma | Owner's Manual - Page 69
is a member of a passenger risk group identified by the national government as follows: Medical Condition. A passenger has a medical condition which, according to his or her physician: causes the passenger air bag to pose a special risk for the passenger; and makes the potential harm from the - 2003 GMC Sonoma | Owner's Manual - Page 70
-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 AIR BAG OFF. The AIR BAG OFF light will come on to let you know that the right front passenger - 2003 GMC Sonoma | Owner's Manual - Page 71
serviced. There are parts of the air bag system in several places around your vehicle. You don't want the system to inflate while someone is working on your vehicle. Your dealer and the service manual have information about servicing your vehicle and the air bag system. To purchase a service manual - 2003 GMC Sonoma | Owner's Manual - Page 72
tape or yellow connectors. They are probably part of the air bag system. Be sure to follow proper service procedures, and make sure the person performing work for youis qualified to do so. The air bag system does not need regular maintenance. Q: If I add a push bumper or a bicycle rack to the front - 2003 GMC Sonoma | Owner's Manual - Page 73
. They can rip apart under impact forces. If a belt is torn or frayed, get a new one right away. Also look for any opened or broken air bag covers, and have them repaired or replaced. (The air bag system does not need regular maintenance.) 1-66 - 2003 GMC Sonoma | Owner's Manual - Page 74
, safety belt or seat parts repaired or replaced. New parts and repairs may be necessary even if the belt or LATCH system wasn't being used at the time of the collision. If an air bag inflates, you'll need to replace air bag system parts. See the part on the air bag system earlier in this section - 2003 GMC Sonoma | Owner's Manual - Page 75
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Section 2 Features and Controls Automatic Transmission Operation ...2.24 Manuai Transmission Operation ...2.27 Four-wheel Drive ...2.28 Parking Brake ...2.31 Shifting Into Park (P) ...2-32 Shifting Out of Park (P) ...2-34 Parking Your Vehicle ...2.34 Parking Over Things That Burn ...2-35 Engine - 2003 GMC Sonoma | Owner's Manual - Page 77
Keys CAUTION: Leavi - children invehicle a with the ig 1 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. 2-2 - 2003 GMC Sonoma | Owner's Manual - Page 78
for the ignition and door locks. It will fit with help prevent theft. You can have a lot of trouble getting into your vehicle if you ever lock your keys inside. You may even have to locked out of your vehicle call the GM Roadside Assistance Center. See Roadside Assistance Program on page 7-6 2-3 - 2003 GMC Sonoma | Owner's Manual - Page 79
necessary. See 'Battery Replacement" 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. This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: 1. This - 2003 GMC Sonoma | Owner's Manual - Page 80
door will unlock automatically, the parking lamps will flash and the interior lights will go on. LOCK: Press LOCK to lock all the doors. Press LOCK again within three seconds and the horn . If a transmitter is lost or stolen, a replacement can be purchased through your dealer. Remember to bring - 2003 GMC Sonoma | Owner's Manual - Page 81
twisting the coin. 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. See Programmable Automatic Door Locks on page 2-8 for instructions. 5. Check the operation of the - 2003 GMC Sonoma | Owner's Manual - Page 82
and fall out of a moving vehicle. When a door is locked, the handle won't open it. You increase the chance of being thrown out of the vehicle in a crash if the doors aren't locked. So, wear safety belts properly and lock the doors whenever you drive. Young children who get into unlocked vehicles may - 2003 GMC Sonoma | Owner's Manual - Page 83
unlock side twice. All doors IocWNone of the doors unlock: Press the lock side of the power door lock switch once, and then the unlock side three times. No doors IocWNone of the doors unlock: Press the lock side of the power door lock switch twice. This turns off the automatic lock feature. This is - 2003 GMC Sonoma | Owner's Manual - Page 84
If your vehicle has an automatic transmission it will be programmed to have all the doors lock automatically when the shift lever is moved out of PARK (P). All the doors will unlock when the shift lever is moved back into PARK (P). On a manual transmission, all doors will lock when the vehicle speed - 2003 GMC Sonoma | Owner's Manual - Page 85
2. Slide the lever up to the lock symbol to engage the lock. 3. Close the door. 4. Repeat these steps on the opposite rear door. If you want to open the rear door when the security lock is on, unlock the door and open the door from the outside. To return the rear doors to normal use, disengage the - 2003 GMC Sonoma | Owner's Manual - Page 86
, take your keys, open your door and set the locks from inside. Then get out and close the door. Your vehicle may be equipped with a third door for convenience in loading and unloading cargo. To open the third door, first open the driver's front door. Then, use the handle located on the front edge - 2003 GMC Sonoma | Owner's Manual - Page 87
tailgate by pulling up on the handle while pulling the tailgate down. When you put the tailgate back up, be sure it latches securely. 3. With the tailgate halfway down, pull the tailgate toward you at the left side and then move the tailgate to the left to release the right side. Reverse the - 2003 GMC Sonoma | Owner's Manual - Page 88
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. Manual Windows Turn the hand crank on each door to raise or lower your manual side door windows. 2-13 - 2003 GMC Sonoma | Owner's Manual - Page 89
-down feature can be interrupted at any time by pressing the up arrow on the switch. Window Lockout Four-door vehicles have a lockout feature to prevent passengers from operating the power windows. It is located on the driver's door armrest. Press LOCK to activate this feature. Press NORM and - 2003 GMC Sonoma | Owner's Manual - Page 90
rearward. Sliding Rear Window When you close the window, be sure the latch engages. If your vehicle has this feature, squeeze the latch in the center of the window and slide the glass to open it. When you close the window, be sure the latch is engaged. Sun Visors To block - 2003 GMC Sonoma | Owner's Manual - Page 91
will flash and the horn will sound for 110 seconds, then will turn off to save the battery power. Remember, the theft-deterrent system won't activate if you lock the doors with a key or use the manual door lock. It activates only if you use a power door lock switch with the door open, or with the - 2003 GMC Sonoma | Owner's Manual - Page 92
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 to see if the horn works. The horn fuse may be blown. To replace - 2003 GMC Sonoma | Owner's Manual - Page 93
the first 500 miles (805 km). Don't drive at any one speed - fast or slow replacement. Follow this breaking-in guideline every time you get new brake accessories in the ACCESSORY position for long periodsof time. Prolonged operation of accessories in the ACCESSORY position could drain your battery - 2003 GMC Sonoma | Owner's Manual - Page 94
but still turn the steering wheel. Use OFF if you must have your vehicle in motion while the engine is off (for example, if your vehicle is being towed). D (RUN): This is the position for driving. On manual transmission vehicles, turning the key to LOCK will lock the steering column and result - 2003 GMC Sonoma | Owner's Manual - Page 95
or ACCESSORY. Once the key is turned from RUN to OFF, these features will continue to work for up to 20 minutes or until a door is opened. Starting Your Engine Automatic Transmission To remove the key, turn the ignition switch to OFF. Then turn the key to LOCK while pressing the key release button - 2003 GMC Sonoma | Owner's Manual - Page 96
add electrical parts or accessories, you could change the way the engine operates. Before adding electrical equipment, check with your dealer. If you don't, your engine might not perform properly. Notice: Holding your key in START for longer than 15 seconds at a time will cause your battery to be - 2003 GMC Sonoma | Owner's Manual - Page 97
each try to help avoid draining your battery or damaging your starter. 2. If it time keep the pedal down for five or six seconds. 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 - 2003 GMC Sonoma | Owner's Manual - Page 98
electrical cord. The cord is located in the engine compartment behind the underhood fuse block on the driver's side of the vehicle. 4. Before starting the engine store the cord as it was before to keep it away from moving engine parts. If you don't, it could be damaged. 3. Plug it into a normal - 2003 GMC Sonoma | Owner's Manual - Page 99
locks your rear wheels. It's the best position to use when you start your engine because vour vehicle can't mnve easilv. n It is -mgerous to get t of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. L Your automatic transmission - 2003 GMC Sonoma | Owner's Manual - Page 100
Make sure the shift lever is fully in PARK (P) before starting the engine. Your vehicle has an automatic transmission shift lock control system. You have to fully apply your regular brakes before you can shift from PARK (Pj when the ignition key is in RUN. if you cannot shift out of PARK (P), ease - 2003 GMC Sonoma | Owner's Manual - Page 101
. If the shift lever is put in FIRST (1) while the vehicle is moving forward, the transmission won't shift into FIRST (1) until the vehicle is going slowly enough. Notice: If your rear wheels won't turn, don't try to drive. This might happen if you were stuck in very deep sand or mud or were - 2003 GMC Sonoma | Owner's Manual - Page 102
Manual Transmission 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. the clutch. Press the clutch pedal back down. Then shift into FIRST (1). REVERSE (R): To back up, press the clutch pedal. After - 2003 GMC Sonoma | Owner's Manual - Page 103
when you downshift. If your vehicle has four-wheel-drive and is equipped with a manual transmission, disregard the SHIFT light when the transfer case is in 4LO. I .. you ~ . - . p gear when you downshift, I )u a could lose control of your vehicle. You could injure yourself or others. Don't shift - 2003 GMC Sonoma | Owner's Manual - Page 104
indicator light will flash while shifting. It will remain illuminated when the shift is completed. Shifting from 2HI to 4HI Press and release the 4HI button. This can be done at any speed, and the front axle will lock automatically. Use these buttons to shift into and out of four-wheel-drive. You - 2003 GMC Sonoma | Owner's Manual - Page 105
with an automatic transmission or the clutch pedal engaged in vehicles equipped with a manual transmission. The preferred method for shifting into 4LO is to have your vehicle moving I to 2 mph (1.6 to 3.2 km/h). Press and release the 4LO button. You must wait for the 4LO indicator light to stop - 2003 GMC Sonoma | Owner's Manual - Page 106
the brake system warning light will come on. Nofice: Driving with the parking brake on can cause your rear brakes to overheat. You may have to replace them, and you could also damage other parts of your vehicle. To release the parking brake, hold the regular brake pedal down. Pull the BRAKE RELEASE - 2003 GMC Sonoma | Owner's Manual - Page 107
Shifting Into PzpbID) I It can be dangerous to get t of your vehicle if the shift lever is not fullyin PARK (P)with the parking brake firmly set. Your vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To - 2003 GMC Sonoma | Owner's Manual - Page 108
your vehicle with the engine running. 3. Turn the ignition key to LOCK. 4. Remove the key and take it with you. If you can brake pedal down. Then, see if you can move the shift lever away from PARK (P) without first pulling it toward you. If you can, it means that the shift lever wasn't fully locked - 2003 GMC Sonoma | Owner's Manual - Page 109
the key and release the clutch. If you are parking on a hill, or if your vehicle is pulling a trailer, see Towing a Trailer on page 4-54. Shifting Out of Park (P) Your vehicle has an automatic transmission shift lock control system. You have to fully apply the regular brakes before you can shift - 2003 GMC Sonoma | Owner's Manual - Page 110
Your vehicle or exhaust system had been modified improperly. If you ever suspect exhaust is coming into your vehicle: Drive it only with all the windows down to blow out any CO; and Have your vehicle fixed immediately. Thi..,s that ci.. burn COL., toucl. .jot exhaust parts - 2003 GMC Sonoma | Owner's Manual - Page 111
set your parking brake and move the shift lever to PARK (P). Idling the engine with the climate control system off could allow garage with the engine running. Another closed-in place can be a blizzard. See "Winter Driving'' in the Index. Follow the proper steps to be sure your vehicle won't move. - 2003 GMC Sonoma | Owner's Manual - Page 112
to turn the automatic feature off. Time Delay The automatic mirror has a time delay feature which prevents unnecessary switching from the night back to the day position. This delay prevents rapid changing of the mirror as you drive under lights and through traffic. Automatic Dimming Rearview - 2003 GMC Sonoma | Owner's Manual - Page 113
the driver's door armrest. Move the selector switch to the left or right to choose the driver's or passenger's mirror, then use the arrows located on the four-way control pad to move the mirror in the direction you want the mirror to go. Put the selector switch back in the center position when - 2003 GMC Sonoma | Owner's Manual - Page 114
mirror button is located to the lower right of the mode knob on the climate control system. The button has an indicator light to indicate if the heated mirror feature is on or off. A convex mirror or condensation. The heated mirror feature will turn off automatically when the mirror is clear. 2-39 - 2003 GMC Sonoma | Owner's Manual - Page 115
the lever on the front of the glove box and lower the door. The glove box should not be open while you are driving. Reading Lamps Press the button near each lamp to turn the reading lamps on and off. The lamps can also be swiveled to point in the desired direction. Overhead Console Installing - 2003 GMC Sonoma | Owner's Manual - Page 116
into place. 5. The pegs inside the compartment door are used to make sure the button on the compartment door will contact the control button on the garage door opener. 6. Add one peg at a time until the garage door opener operates with the compartment door closed when you press the button. 2-41 - 2003 GMC Sonoma | Owner's Manual - Page 117
to press the button lightly to operate the opener. Adjust the position of the garage door opener and add or remove pegs, as needed, until the opener operates properly. The outside air temperature and the compass are displayed at the front of the overhead console. The control buttons are located to - 2003 GMC Sonoma | Owner's Manual - Page 118
a warning to the driver that road conditions may be icy, and that appropriate precautions should be To correct the calibration, drive in a complete 360" circle three times and the compass will Calibration) will appear on the display. When it does, release both buttons. 4. Press US/MET until your zone number - 2003 GMC Sonoma | Owner's Manual - Page 119
drive that road conditions may be icy, and that appropriate precautions should be taken. The overhead console has a sunglasses storage compartment. Driver Information Center (DIC) If your vehicle is equipped with a Driver Information Center (DIC), this system displays the outside air temperature - 2003 GMC Sonoma | Owner's Manual - Page 120
enough to cause false compass readings. If this happens, follow these instructions to set the variance for your particular location: I 1. Find your the variation mode by displaying the current zone number. When it does, release both buttons. 4. Press US/MET until your zone number appears on the - 2003 GMC Sonoma | Owner's Manual - Page 121
the tank, based on the fuel economy for the last few hours of driving. FUEL USED: The fuel used since the last reset is displayed. AVG SPEED for at least two seconds. All functions will be displayed briefly once the system is reset. Reset can only be performed in the AVG ECON, FUEL USED - 2003 GMC Sonoma | Owner's Manual - Page 122
Garment Hooks Extended Cab If your vehicle has the center armrest compartment, lift the cover to expose the storage area. Some vehicles may have a storage pocket on the back of the bucket or 60/40 bench seats. Assist Handles An assist handle above each passenger door can be used when getting out - 2003 GMC Sonoma | Owner's Manual - Page 123
handle loads of various sizes. Just loosen the slider knobs at each end of the crossrail and move them to where you want them. Make sure both sides of the crossrails are even, then tighten the slider knobs. Be sure the cargo load to the bumpers. Do not drive along. This can cause you to lose control - 2003 GMC Sonoma | Owner's Manual - Page 124
loading see Loading Your Vehicle on page 4-49. To prevent damage or loss of cargo as you're driving, check now and then to make sure the luggage carrier and cargo are still securely fastened. Bed Rails If your vehicle has bed rails, they are there for appearance only. If you try to tie down - 2003 GMC Sonoma | Owner's Manual - Page 125
has this feature, the control located on the outboard side of the driver's seat looks like this. Use this memory function to save your seat cushion and seatback settings by using the following procedure: 1. Adjust the driver's seat to a safe and comfortable driving position. 2. Press the SET - 2003 GMC Sonoma | Owner's Manual - Page 126
When your vehicle is in PARK (P) for an automatic transmission or the parking brake is engaged for a manual transmission, press and release the numbered memory button you just stored. The seat will move to the set position. You will hear one chime. Pressing the UNLOCK button of a - 2003 GMC Sonoma | Owner's Manual - Page 127
h NOTES 2-52 - 2003 GMC Sonoma | Owner's Manual - Page 128
...3.27 Trip Odometer ...3.27 Tachometer ...3.27 Safety Belt Reminder Light ...3.27 Air Bag Readiness Light ...3-28 Air Bag Off Light ...3-29 Charging System Light ...3.30 Voltmeter Gage ...3.31 Up-Shift Light ...3-31 Brake System Warning Light ...3.32 Anti-Lock Brake System Warning Light ...3-33 - 2003 GMC Sonoma | Owner's Manual - Page 129
Instrument Panel Overview A B C A A D E F G H I J K L M N 0 3-2 - 2003 GMC Sonoma | Owner's Manual - Page 130
Cluster Electronic Transfer Case Switch (if Equipped) Lamp Controls Fog Lamp Button (If Equipped) Brake Release Turn Signal/Multifunction Lever Horn I. Passenger Air Bag Off Switch (If Equipped) J. Ashtray K. Climate Controls L. Accessory Power Outlets (If Equipped) 1 M Heated Outside Rearview - 2003 GMC Sonoma | Owner's Manual - Page 131
isn't in. Press the button to make the front and rear turn signal lamps flash on and off. Press the button again to turn the flashers off. you warn others. They also let police know you have a problem. Your front and rear turn signal lamps will flash on and off. When the hazard warning flashers are - 2003 GMC Sonoma | Owner's Manual - Page 132
drive. If you have the tilt steering wheel, you can raise it to the highest level to allow more room for the driver to enter and exit the vehicle. To tilt, hold the steering wheel and pull the tilt lever toward you. Move the wheel to a comfortable level, then release the tilt lever to lock the wheel - 2003 GMC Sonoma | Owner's Manual - Page 133
, move the lever all the way up or down. When the turn is finished, the lever will return automatically. An arrow on the instrument panel cluster will flash in the direction of the turn or lane change. The Flash-to-Pass Feature Windshield Wipers Windshield Washer 0 Cruise Control (If Equipped) 3-6 - 2003 GMC Sonoma | Owner's Manual - Page 134
out and other drivers won't see your turn signal. If a bulb is burned out, replace it to help avoid an accident. If the arrows don't go on at all when you signal a turn, check the fuse (see Fuses and Circuit Breakers on page 5-95 ) and for burned-out bulbs. When the high-beam - 2003 GMC Sonoma | Owner's Manual - Page 135
at high speed. Delayed Wiping: You can set the wiper speed for a long or short delay between wipes. Turn the band to choose the delay time. The closer to LO, the shorter the delay. Be sure to clear ice and snow from the wiper blades before using them. If they're - 2003 GMC Sonoma | Owner's Manual - Page 136
. it is Cruise control can be dangerous where you can't drive safely at a steady speed. So, don't use your cruise control on winding roads or in heavy traffic. Cruise control can be dangerous on slippery roads. On such roads, fast changes in tire traction can cause needless wheel spinning, and you - 2003 GMC Sonoma | Owner's Manual - Page 137
ON to R/A (Resume/Accelerate). You'll go right back up to your chosen speed and stay there. If you hold the switch at R/A, the vehicle will keep going faster until you release the switch or apply the brake. You could be startled and even lose control. So unless you want to go faster, don - 2003 GMC Sonoma | Owner's Manual - Page 138
speed you want, then release it. 0 Ending Cruise Control There are two ways to turn off the cruise control: Step lightly on the brake pedal or push the clutch pedal, if you have a manual transmission. If you have an automatic transmission and you apply your brakes, the cruise control will shut off - 2003 GMC Sonoma | Owner's Manual - Page 139
off the lamps and put the system in automatic headlamp mode. (Parking Lamps): Turning the exterior lamps control to this position turns on the parking lamps together with the following: Exterior Lamps Sidemarker Lamps Taillamps License Plate Lamps Instrument Panel Lights -g- (Headlamps): Turning - 2003 GMC Sonoma | Owner's Manual - Page 140
headlamps or parking lamps are manually turned on, the driver's door is opened and your ignition is in OFF, LOCK or ACCESSORY. To turn the chime off, turn the control counterclockwise or turn the instrument panel brightness thumbwheel down to the fully dimmed position. In the automatic mode, the - 2003 GMC Sonoma | Owner's Manual - Page 141
headlamps come on at reduced brightness when the following conditions are met: The ignition is on, the exterior lamp control is in OFF, the sensor detects daytime light, an automatic transmission is not in PARK (P), and the parking brake is released. When the DRL are on, only your headlamps will - 2003 GMC Sonoma | Owner's Manual - Page 142
are closed, or the front door handles are lifted and released, the lamps will stay on for a short period of time and will turn off automatically. If you use your remote keyless entry transmitter to unlock the vehicle, the interior lights will come on for a short time whether or not the DOME OVERRIDE - 2003 GMC Sonoma | Owner's Manual - Page 143
will automatically come on for approximately 40 seconds when the doors are unlocked with the remote keyless entry transmitter (if equipped) or until the ignition key is turned to RUN or ACCESSORY. The lamps will also stay on for approximately 40 seconds after you exit the vehicle, unless you lock - 2003 GMC Sonoma | Owner's Manual - Page 144
power outlet located near the center of the vehicle on the lower part of the instrument panel. A small cap must be pulled down to access an accessory power outlet. When not using an outlet be sure to cover it with the protective cap. Notice: When using an accessory power outlet, maximum electrical - 2003 GMC Sonoma | Owner's Manual - Page 145
power outlet and could result in blown vehicle or adapter fuses. If you experience a problem, see your dealer for additional information on accessory power outlets. Notice: Adding some electrical equipment to your vehicle can damageit or keep other things from working as they should. This wouldn - 2003 GMC Sonoma | Owner's Manual - Page 146
Climate Controls Climate Control System With this system you can control the heating, cooling and ventilation for your vehicle. Optional Climate Control System I "l Standard Climate Control System 3-19 - 2003 GMC Sonoma | Owner's Manual - Page 147
vehicle. (Vent): This mode directs air to the instrument panel outlets, with a little air directed toward the floor vents. (Fan): information, see "Defogging" later in this section. @ 2 Heating Turn the center knob clockwise or counterclockwiseto raise or lower the temperature on the inside of - 2003 GMC Sonoma | Owner's Manual - Page 148
the windshield and half to the floor outlets. Close the center outlets to help defrost the side windows more quickly. In this mode, the system will automatically force outside air into your vehicle and it will also run the air-conditioning compressor, unless it falls below the temperature at which - 2003 GMC Sonoma | Owner's Manual - Page 149
Defogging and Defrosting 9 (Defrost): This mode directs most of the air to the windshield and the side window outlets, with only a little air directed to the floor outlets. To circulate outside air and to help clear the windshield quickly, do the following: 1. Select the blend mode. 2. Select the - 2003 GMC Sonoma | Owner's Manual - Page 150
while the air-conditioning compressor is running. Operation Tips Clear away any ice, snow or leaves from the air inlets at the base of the windshield that may block the flow of air into your vehicle. Use of non-GM approved hood deflectors may adversely affect the performance of the system. Keep the - 2003 GMC Sonoma | Owner's Manual - Page 151
let you know when there's a problem with your vehicle. When one of the warning lights comes on and stays on when you are driving, or when one of the gages shows there may be a problem, check the section that tells you what to do about it. Please follow this manual's advice. Waiting to do repairs - 2003 GMC Sonoma | Owner's Manual - Page 152
running. You'll know how fast you're going, about how muchfuel you've used, and many other things you'll need to know to drive safely and economically. Base Level Cluster United States, Canada similar 3-25 - 2003 GMC Sonoma | Owner's Manual - Page 153
- 2003 GMC Sonoma | Owner's Manual - Page 154
on the driver's door to show the old mileage reading when the new odometer was installed. Notice: On vehicles with a manual transmission, if you operate the areas isn't covered by your vehicle warranty. Don't operate the tachometer in the shaded warning areas. Safety Belt Reminder Light When the - 2003 GMC Sonoma | Owner's Manual - Page 155
RUN. If the light doesn't come on then, have it fixed so it will be ready to warn you if there is a problem. If the air bag readiness light stays on after you start the vehicle or comes on when you are driving, your air bag system may not work properly. Have your vehicle serviced right away. 3-28 - 2003 GMC Sonoma | Owner's Manual - Page 156
you turn the right front passenger's air bag off, this light will come on andstay on to remind you that the air bag has been turned off. This iight wiil go off when you turn the air bag back on again. See Air Bag 07 1 Switch on page 7-67 for more on this, including important safety - 2003 GMC Sonoma | Owner's Manual - Page 157
you have problems with a generator drive belt, or another electrical problem. Have it checked right away. Driving while this light is on could drain your battery. If you must drive a short distance with the light on, be certain to turn off all your accessories, such as the radio and air conditioner - 2003 GMC Sonoma | Owner's Manual - Page 158
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 You have the shift light if you have a manual transmission. When the engine is running, the gage shows the condition of - 2003 GMC Sonoma | Owner's Manual - Page 159
brake is fully released, it means you have a brake problem. Your vehicle's hydraulic brake system is divided into two parts. If one part isn't working, the other part can still work and stop you. For good braking, though, you need both parts working well. If the light comes on while you are driving - 2003 GMC Sonoma | Owner's Manual - Page 160
driving, your vehicle needs service. 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 your regular brakes. See Brake System - 2003 GMC Sonoma | Owner's Manual - Page 161
before any problem is apparent. This may prevent more serious damage to your vehicle. This system is also designed to assist your service technician in correctly diagnosing any malfunction. Notice: If you keep driving your vehicle with this light on, after a while, your emission controls may not - 2003 GMC Sonoma | Owner's Manual - Page 162
, and drive the vehicle to your dealer or qualified service center for service. Light Flashing - A misfire condition has been detected. A misfire increases vehicle emissions and may damage the emission control system on your vehicle. Dealer or qualified service center diagnosis and service may be - 2003 GMC Sonoma | Owner's Manual - Page 163
for inspection. This can happen if you have recently replaced your battery or if your battery has run down. The diagnostic system is designed to evaluate critical emission control systems during normal driving. This may take several days o routine driving. If you have done this and your vehicle - 2003 GMC Sonoma | Owner's Manual - Page 164
or others could be burned. Check your oil as soon as possible and have your vehicle serviced. I United States Canada Nofice: Damage to your engine from neglected oil is problems can be costly and not covered by your warranty. Oil pressure may vary with engine speed, outside temperature and oil - 2003 GMC Sonoma | Owner's Manual - Page 165
by Passlock@, and you should see your dealer. The SERVICE 4WD light comes on to indicate that there may be a problem with the four-wheel drive system and service is required. Malfunctions can be indicated by the system before any problem is apparent, which may prevent serious damage to the vehicle - 2003 GMC Sonoma | Owner's Manual - Page 166
will come on briefly when you are starting the engine. Fuel Gage CHECK GAGES @ FUEL ONLY If this light comes and stays on while you are driving, check your coolant temperature and engine oil pressure gages to see if they are in the warning zones. United States Canada When the ignition is - 2003 GMC Sonoma | Owner's Manual - Page 167
ask about. None of these show a problem with your fuel gage: At the gas station, the gas pump shuts off before the gage reads full. gage doesn't go back to empty when you turn off the ignition. Low Fuel Warning Light This light comes on briefly when you start your engine. This light comes on when - 2003 GMC Sonoma | Owner's Manual - Page 168
be sureto check federal rules covering mobile radio and telephone units. Your audio system has been designed to operate system even after the ignition is turned off. See "Retained Accessory Power (RAP)" under lgnition Posifions on page 2- ? 8. Setting the Time for Radios without Radio Data Systems - 2003 GMC Sonoma | Owner's Manual - Page 169
a minute. Once you have tuned to an RDS broadcast station, it may take a few minutes for your time to update. AM-FM Radio Playing the Radio PWR (Power): Press this knob to turn the system or1 and off. VOL (Volume): Turn the knob decrease volume. to increase or to RCL (Recall): Press - 2003 GMC Sonoma | Owner's Manual - Page 170
Finding a Station AM FM: Press this button to switch the display between time and radio station frequency. Time display is available with the ignition turned off. TUNE: Turn this knob to tune in radio stations. Setting Preset Stations The six numbered pushbuttons let - 2003 GMC Sonoma | Owner's Manual - Page 171
): This message is displayed when the Theftlock@system has locked up. Your vehicle must be returned to the dealership for service. Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and the left speakers, press and release AUDIO until BAL appears on the display - 2003 GMC Sonoma | Owner's Manual - Page 172
Radio with CD AUTO VOL (Automatic Volume): With automatic volume, your audio system will adjust automatically to make up for road and wind noise as you drive. Set the volume at the desired level. Press this button to select LOW, MEDIUM or HIGH. AVOL will appear on the display. Each higher setting - 2003 GMC Sonoma | Owner's Manual - Page 173
beep. Whenever you press that numbered pushbutton, the station you set will return and the bass and treble equalization that you selected will also be automatically selected for that pushbutton. 4 4 6. Repeat the steps for each pushbutton. 3-46 - 2003 GMC Sonoma | Owner's Manual - Page 174
the level display in the middle position. AUTO TONE (Automatic Tone): Press this button to choose bass and treble equalization settings designed for country/western, jazz, talk, pop,rock and classical stations. To return the bass and treble to the manual mode, press and release the AUDIO knob. 3-47 - 2003 GMC Sonoma | Owner's Manual - Page 175
, and seek to stations with traffic announcements. This system relies upon receiving specific information from these stations and will appear on the display, instead of the frequency. RDS stations may also provide the time of day, a program type (PTY) for current programming and the name of the - 2003 GMC Sonoma | Owner's Manual - Page 176
and then on again, the alternate frequency feature will automatically be turned on. If the whole message is not displayed, parts of it will appear every will not be affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations. INFO (Information): If the - 2003 GMC Sonoma | Owner's Manual - Page 177
continue moving back through the disc. Radio Messages CAL ERR (Calibration Error): This message is displayed when the radio has not been calibrated properly for the vehicle. You must return to the dealership for service. LOCKED: This message is displayed when the THEFTLOCK@ system has locked up - 2003 GMC Sonoma | Owner's Manual - Page 178
time will appear on the display. To change the default on the display (track or elapsed time), be for one of the following reasons: You're driving on a very rough road. When the road becomes smoother disc is dirty, scratched, wet or upside down. The air is very humid. If so, wait about an hour and - 2003 GMC Sonoma | Owner's Manual - Page 179
automatic volume. select OFF. DlSP (Display): Press this button to switch the display between the radio station frequency and the time. Time AUTO VOL (Automatic Volume): With automatic volume, your audio system adjusts automatically to make up for road and wind noise as you drive. To change the - 2003 GMC Sonoma | Owner's Manual - Page 180
beep. Whenever you press that numbered pushbutton, the station you set will return and the bass and treble equalization that you selected will also be automatically selected for that pushbutton. 4 6. Repeat the steps for each pushbutton. 3-53 - 2003 GMC Sonoma | Owner's Manual - Page 181
the middle position. AUTO TONE (Automatic Tone): Press this button to choose bass and treble equalization settings designed for country/western, jazz, talk, pop, rock and classical stations. To return the bass and treble to the manual mode, press and release the AUDIO knob. Adjusting the Speakers - 2003 GMC Sonoma | Owner's Manual - Page 182
LIST knob. TYPE and a PTY will appear on the display. This system relies upon receiving specific information from these stations and will only work on the display, instead of the frequency. RDS stations may also provide the time of day, a program type (PTY) for current programming and the name of - 2003 GMC Sonoma | Owner's Manual - Page 183
other stations. When you turn the ignition off and then on again, the alternate frequency feature will automatically be turned on. INFO (Information): If the current station has a message, affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations. 3-56 - 2003 GMC Sonoma | Owner's Manual - Page 184
and start over. While 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 return to the dealership for service. LOCKED: This message is displayed when the THEFTLOCK@ system has locked up. You must return to the dealership for - 2003 GMC Sonoma | Owner's Manual - Page 185
selection. 4 FWD (Forward): Press this pushbutton to advance quickly to another part of the tape. Press this pushbutton again to return to playing speed. The the previous mode. Pressing this pushbutton multiple times will increase the number of selections to be searched back, up to -9. 2 NEXT: Your - 2003 GMC Sonoma | Owner's Manual - Page 186
and the track number will appear on the display. If you hold this pushbutton or press it more than once, the player will continue moving back through the disc. 3-59 - 2003 GMC Sonoma | Owner's Manual - Page 187
the normal playing speed. Press and hold it for more than two seconds to reverse at 17 times the normal playing speed. Release it to play the passage. The display will show ET and the elapsed time. 4 FWD (Forward): Press and hold this pushbutton to advance quickly within a track. Press and hold this - 2003 GMC Sonoma | Owner's Manual - Page 188
following reasons: Radio with Six-Disc CD * You're driving on a very rough road. When the road becomes smoother The disc is dirty, scratched, wet or upside down. * The air is very humid. If so, wait about an hour and try system on and off. VOL (Volume): Turn the knob to increase or to - 2003 GMC Sonoma | Owner's Manual - Page 189
at any speed. The volume level should always sound the same to you as you drive. If you don't want to use automatic volume, select OFF. RCL (Recall): Push this knob to switch the display between the time and the radio station frequency. Push this knob with the ignition off to display the - 2003 GMC Sonoma | Owner's Manual - Page 190
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 CENTERED will also be automatically selected for that pushbutton. 6. Repeat the steps for each pushbutton. AUTO EQ (Automatic Equalization): - 2003 GMC Sonoma | Owner's Manual - Page 191
middle position, push and hold the AUDIO knob when no tone or speaker controls are displayed. The radio will produce one beep and CENTERED will appear on the display. Using RDS Your audio system is equipped with a Radio Data System (RDS). RDS features are available for use only on FM stations that - 2003 GMC Sonoma | Owner's Manual - Page 192
5. If PTY times out and is no longer on the display, go back to Step 1. particular station. AM FM (Alternate Frequency): Alternate frequency allows the radio to FM for two seconds to turn alternate frequency on. AF ON will FM again for two seconds to turn alternate frequency off. AF OFF will appear - 2003 GMC Sonoma | Owner's Manual - Page 193
artist and song title, call in phone numbers, etc. If the whole message is not displayed, parts of it will appear every three seconds. To scroll through the message at your own speed, press be affected by tests of the emergency broadcast system. This feature is not supported by all RDS stations. 3-66 - 2003 GMC Sonoma | Owner's Manual - Page 194
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 discs, following: 1. Turn the ignition on. 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 - 2003 GMC Sonoma | Owner's Manual - Page 195
will be automatically pulled back into the receiver. If you try to push the disc back into the receiver, before the 25 second time period is playing, press and release this button. To eject multiple discs, press and hold this button for two seconds. You will hear a beep and the light will flash to - 2003 GMC Sonoma | Owner's Manual - Page 196
has been playing. To change the default on the display (track and elapsed time), push the knob until you see the display you want, then hold the , press and release the RDM button. RANDOM ALL will appear on the display. Press RDM again to turn it off. 0 AUTO EQ (Automatic Equalization): Press AUTO - 2003 GMC Sonoma | Owner's Manual - Page 197
Using Song List Mode The integrated six-disc CD changer has a feature called song list. This feature is capable of saving 20 track selections. To save tracks into the song list feature, perform the following steps: 1. Turn the disc player on and load it with at least one disc. See "LOAD CD" listed - 2003 GMC Sonoma | Owner's Manual - Page 198
The disc is dirty, scratched, wet or upside down. The air is very humid. If so, wait about an hour and try the problem. If a disc is ejected, and the song list contains saved tracks from that disc, those tracks automatically are driving on a very rough road. When the road becomes smoother, the - 2003 GMC Sonoma | Owner's Manual - Page 199
automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a different vehicle, it will not operate and LOCKED will be displayed. When the radio and vehicle are turned off, the blinking red light indicates that THEFTLOCK@is - 2003 GMC Sonoma | Owner's Manual - Page 200
to show the indicator was reset. Cassettes are subject to wear and the sound quality may degrade over time. Always make sure the cassette tape is in good condition before you have your tape player serviced. 3. Press and hold the TAPE CD button for five seconds. READY will appear on the display and - 2003 GMC Sonoma | Owner's Manual - Page 201
solution and clean it, wiping from the center to the edge. Be sure never to touch the side without writing when handling discs. Pick up discs by grasping the the mast is badly bent, as it might be by vandals, you should replace it. Check occasionally to be sure the mast is still tightened to the - 2003 GMC Sonoma | Owner's Manual - Page 202
Defen~i~e Driving ...4.2 Drunken Driving ...4.2 Control of a Vehicle ...4-5 Braking ...4-6 Locking Rear Axle ...4-8 Steering ...4-9 Off-Road Recovery ...4- 11 Passing ...4-1 1 Loss of Control ...4-13 Off-Road Driving with Your Four-Wheel-Drive Vehicle ...4-14 Driving at Night ...4-27 Driving in - 2003 GMC Sonoma | Owner's Manual - Page 203
. 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 a cellular telephone call, reading, or reaching for something - 2003 GMC Sonoma | Owner's Manual - Page 204
alcohol, so they never drive after drinking. For persons problem. The Blood Alcohol Concentration (BAC) of someone who is drinking depends upon four things: The amount of alcohol consumed 0 The drinker's body weight The amount of food that is consumed before and during drinking The length of time - 2003 GMC Sonoma | Owner's Manual - Page 205
this driver having a collision is 12 times greater; at a level of 0.15 percent, the chance is 25 times greater! The body takes about an hour to rid itself else about drinking and driving that many people don't know. Medical research shows that alcohol in a person's system can make crash injuries - 2003 GMC Sonoma | Owner's Manual - Page 206
want it go. They are the brakes, the steering and the accelerator. All three systems have to do their work at the places where the tires meet the road. Sometimes, as when you're driving on snow or ice, it's easy to ask more of those control systems than the tires and road can provide - 2003 GMC Sonoma | Owner's Manual - Page 207
; the condition of your brakes; the weight of the vehicle and the amount of brake force applied. Avoid needless heavy braking. Some people drive in spurts - heavy acceleration followed by heavy braking - rather than keeping pace with traffic. This is a mistake. Your brakes may not have time to cool - 2003 GMC Sonoma | Owner's Manual - Page 208
will stay on. See Anti-Lock Brake System Warning Light on page3-33. Let's say the road is wet and you're driving safely. Suddenly, an animal jumps out in front of you. You slam on the brakes and continue braking. Here's what happens with ABS: A computer senses that wheels are slowing down. If - 2003 GMC Sonoma | Owner's Manual - Page 209
The anti-lock system can change the brake pressure faster than any driver could. The computer is programmed to make the most of available tire and road conditions. This can help you steer around the obstacle while braking hard. Remember: Anti-lock doesn't change the time you need to get your foot - 2003 GMC Sonoma | Owner's Manual - Page 210
Both control systems - banked, and your speed. While you're in a curve, speed is the one factor you can control. If you need to reduce your speed as you approach a curve, do it before you enter the curve, while your front wheels are straight ahead. Try to adjust your speed so you can "drive - 2003 GMC Sonoma | Owner's Manual - Page 211
these problems by braking - if you can stop in time. But sometimes you can't; there isn't room. That's the time for evasive action - steering around the problem. act fast, steer quickly, and just as quickly straighten the wheel once you have avoided the object. The fact that such emergency situations - 2003 GMC Sonoma | Owner's Manual - Page 212
wheels have dropped off the edge of a road onto the shoulder while you're driving. Passing The driver of a vehicle about to pass another on a two-lane highway waits for just the right moment, accelerates, moves around the vehicle ahead, then goes back pass, wait for a better time. If the level of - 2003 GMC Sonoma | Owner's Manual - Page 213
won't have adequate space if the vehicle ahead suddenly slows or stops. Keep back a reasonable distance. 0 When it looks like a chance to pass is a time on two-lane roads. Reconsider before passing the next vehicle. Don't overtake a slowly moving vehicle too rapidly. Even though the brake lamps are - 2003 GMC Sonoma | Owner's Manual - Page 214
when you have any doubt. Remember: Any anti-lock brake system (ABS) helps avoid only the braking skid. In any emergency, don't give up. Keep trying to steer and constantly seek an escape route or area of less danger. In a skid, a driver can lose control of the vehicle. Defensive drivers avoid most - 2003 GMC Sonoma | Owner's Manual - Page 215
with Your Four-Wheel-Drive Vehicle This off-road guide is for vehicles that have four-wheel drive. Also, see Anti-Lock Brakes under Braking on page 4-6. If your vehicle doesn't have four-wheel drive, you shouldn't drive off-road unless you're on a level, solid surface. Off-road driving can be great - 2003 GMC Sonoma | Owner's Manual - Page 216
cargo on the load floor can be tossed about when driving over rough terrain. You or your passengers can be struck by flying objects. Secure the cargo properly. Heavy loads on the roof raise the vehicle's center 's exhaust system. 0 0 e You'll find other important information in this manual. See - 2003 GMC Sonoma | Owner's Manual - Page 217
control your speed. Here are some things to keep in mind. At higher speeds: you approach things faster and you have less time to scan the terrain for obstacles. you have less time to react. you have more vehicle bounce when you drive over obstacles. you'll need more distance for braking, especially - 2003 GMC Sonoma | Owner's Manual - Page 218
. 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 Sonoma | Owner's Manual - Page 219
susceptible to the effects of erosion. 1 I Many hills are simply too steep for at-., .-.licIe. If you drive up them, you will stall. If you drive down them, you can't control your speed. If you drive across them, you will roll over. You could be seriously injured or killed. If you have any doubt - 2003 GMC Sonoma | Owner's Manual - Page 220
power than you need, because you don't want your wheels to start spinning or sliding. Try to drive straight up the hill if at all possible. If the you more visible to approaching traffic on trails or hills. 0 - Sound the horn as you approach the top of the hill to let opposing traffic know you're - 2003 GMC Sonoma | Owner's Manual - Page 221
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, put your left hand on the steering wheel at the 12 o'clock position - 2003 GMC Sonoma | Owner's Manual - Page 222
? What's at the bottom of the hill? Is there a hidden creek bank or even a river bottom with large rocks? e 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 and use a low gear to keep vehicle speed - 2003 GMC Sonoma | Owner's Manual - Page 223
0: there some things I should not do when Are driving down a hill? 0 Shift back to a low gear, release the parking brake, and drive straight down. A: Yes! These are important because if you ignore them you could lose control and have a serious accident. 0 If the engine won't start, get out and - 2003 GMC Sonoma | Owner's Manual - Page 224
Surface conditions can be a problem when you drive across a hill. Loose gravel, muddy spots, Hidden obstacles can make the steepness of the incline even worse. if you drive across a rock with the uphill wheels, or if the downhill wheels drop into a rut or depression, your vehicle can tilt even more. - 2003 GMC Sonoma | Owner's Manual - Page 225
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 - 2003 GMC Sonoma | Owner's Manual - Page 226
, the traction is so poor that you will have difficulty accelerating. And if you do get moving, poor steering and difficult braking can cause you to slide out of control. Driving on frozen lakes, ponds or rivers can be dangerous. Underwater springs, currents under the ice, or sudden thaws can weaken - 2003 GMC Sonoma | Owner's Manual - Page 227
enough to cover your wheel hubs, axles or exhaust pipe, don't try it - you probably won't get through. Also, water that deep can damage your axle and other vehicle parts. If the water isn't too deep, drive slowly through it. At faster speeds, water splashes on your ignition system and your vehicle - 2003 GMC Sonoma | Owner's Manual - Page 228
checked. 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 - 2003 GMC Sonoma | Owner's Manual - Page 229
regularly. Some drivers suffer from night blindness - the inability to see in dim light - and aren't even aware of it. No one can see as well are wise to wear sunglasses. Your eyes will have less trouble adjusting to night. But if you're driving, don't wear sunglasses at night. They may cut down - 2003 GMC Sonoma | Owner's Manual - Page 230
and on Wet Roads Rain and wet roads can mean driving trouble. On a wet road, you can't stop, accelerate wiping equipment in good shape and keep your windshield washer tank filled with washer fluid. Replace your windshield wiper inserts when they show signs of streaking or missing areas on the - 2003 GMC Sonoma | Owner's Manual - Page 231
in a quick stop and may cause pulling to one side. You could lose control of the vehicle. After driving through a large puddle of water or a car wash, apply your brake pedal lightly until your brakes work normally. Driving too fast through large water puddles or even going through some car washes - 2003 GMC Sonoma | Owner's Manual - Page 232
be very cautious about trying to drive through flowing water. Driving 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 that is slightly - 2003 GMC Sonoma | Owner's Manual - Page 233
One of the biggest problems with city streets is the part of the city just as you would for a cross-country trip. Try to use the freeways that rim and crisscross most large cities. You'll save time and energy. See Freeway Driving on page 4-33. Treat a green light as a warning signal. A traffic light - 2003 GMC Sonoma | Owner's Manual - Page 234
as a passing lane. At the entrance, there is usually a ramp that leads to the freeway. If you have a clear view of the freeway as you drive along the entrance ramp, you should begin to check traffic. Try to determine where you expect to blend with the flow. Try to merge into - 2003 GMC Sonoma | Owner's Manual - Page 235
, stop and back up. Drive on to the part of the journey. Wear comfortable clothing and shoes you can easily drive in. Is your vehicle ready for a long trip? If you keep it serviced and maintained, it's ready to go. If it needs service Lamps: Are they all working? Are the lenses clean? 4-34 - 2003 GMC Sonoma | Owner's Manual - Page 236
safe, trouble-free trip. I the tread good enough for s long-distance driving? Are route? Should you delay your trip a short time to avoid a major storm system? Maps: Do you have up-to-date actually such a condition as "highway hypnosis"? Or is it just plain falling asleep at the wheel? Call it highway - 2003 GMC Sonoma | Owner's Manual - Page 237
the brakes, tires, cooling system and transmission. These parts can driving in flat or rolling terrain. If you drive regularly in steep country, or if you're planning to visit there, here are some tips that can make your trips safer and more enjoyable. See Off-Road Driving with Your Four- Wheel-Drive - 2003 GMC Sonoma | Owner's Manual - Page 238
center of the road. Drive at speeds that let you stay in your own lane. Coasting ,awnhi,, ,n L J T R A L [N) or with the ignition off is dangerous. Your brakes accident. You may see highway signs on mountains that warn of special problems. Examples are long grades, passing or no-passing zones, a falling - 2003 GMC Sonoma | Owner's Manual - Page 239
a rag, some winter outer clothing, a small shovel, a flashlight, a red cloth and a couple of reflective warning triangles. And, it you will be driving under severe conditions, include a small bag of sand, a piece of old carpet or a couple of burlap bags to help provide traction. Be sure you properly - 2003 GMC Sonoma | Owner's Manual - Page 240
. Whatever the condition - smooth ice, packed, blowing or loose snow - drive with caution. Accelerate gently. Try not to break the fragile traction. If you accelerate too fast, the drive wheels will spin and polish the surface under the tires even more. Your anti-lock brakes improve your vehicle - 2003 GMC Sonoma | Owner's Manual - Page 241
you've been stopped by the snow. Put on extra clothing or wrap a blanket around you. If you have no blankets or extra clothing, make body insulators from newspapers, burlap bags, rags, floor mats - anything you can wrap around yourself or tuck under your clothing to keep warm. If you are - 2003 GMC Sonoma | Owner's Manual - Page 242
any that is blocking your exhaust pipe. And check around again from time to time to be sure snow doesn't collect there. Open a window just a for the heat that you get and it keeps the battery charged. You wil! need a well-charged battery to restart the vehicle, and possibly for signaling later on - 2003 GMC Sonoma | Owner's Manual - Page 243
're stuck, but you must use caution. Notice: Spinning your wheels can destroy parts of your vehicle as well as the tires. If you spin the wheels too fast while shifting your transmission back and forth, you can destroy your transmission. For information about using tire chains on your vehicle, see - 2003 GMC Sonoma | Owner's Manual - Page 244
four-wheel-drive vehicle, shift into 4Hl. Then shift back and forth between REVERSE (R) and a forward gear (or with a manual transmission, between FIRST (1) or SECOND (2) and REVERSE (R)), spinning the wheels as little as possible. Release the accelerator pedal while you shift, and press lightly on - 2003 GMC Sonoma | Owner's Manual - Page 245
out. Never pull on the hooksat a sideways angle. The hooks could breakoff and you or others could be injured from the chain or cable snapping back. I l I I Notice: Never use recovery hooks to tow the vehicle. Your vehicle could bedamaged and it would not be - 2003 GMC Sonoma | Owner's Manual - Page 246
Your Vehicle Consult your dealer or a professional towing service if you need to have your disabled vehicle towed. towing" (towing your vehicle with all four wheels on the ground) and "dolly towing" (towing your vehicle with two wheels on the ground and two wheels up on a device known as a "dolly - 2003 GMC Sonoma | Owner's Manual - Page 247
instrument panel fuse block. Be sure to replace the fuse when you reach your destination. See Fuses and Circuit Breakers on page5-95. Be sure to use the proper towing equipment designed for recreational vehicle towing. Follow the instructions for the towing equipment. Two-Wheel Drive Vehicles Only - 2003 GMC Sonoma | Owner's Manual - Page 248
even if the transmission is in Park (P) for an automatic transmission, or if your vehicle is in gear, for a manual transmission. You or others could be injured. Make sure the parking shift the transfer brake is firmly set before you case to NEUTRAL. If your vehicle has four-wheel-drive it cannot be - 2003 GMC Sonoma | Owner's Manual - Page 249
towing. If your vehicle has four-wheel-drive it cannot be dolly towed. A four-wheel-drive vehicle must be towed by flatbed. 6. Release the parking brake. Be sure to use the proper towing equipment designed for recreational vehicle towing. Follow the instructions for the towing equipment. 4-48 - 2003 GMC Sonoma | Owner's Manual - Page 250
MANUAL FOR ADDITIONAL INFORMATION^^ - The Certification/Tire label is found on the driver's door edge, above the door latch. The label shows the size , fuel, cargo and trailer tongue weight, if pulling a trailer. In the case of a sudc-., stop or collision, things carried in the bed of your - 2003 GMC Sonoma | Owner's Manual - Page 251
you do, parts on your vehicle can break, and it can change the way your vehicle handles. These could cause you to lose control and crash. for off-road driving in this manual. See "Loading Your Vehicle for Off-Road Drivincf under Off-Road Driving with Your Four- Wheel-Drive Vehicle page 4- 74 - 2003 GMC Sonoma | Owner's Manual - Page 252
of the occupants as part of your load. If you added any accessories or equipment after your Vehicle on page 4-49. Any load that extends beyond the vehicle's taillamp area must be properly center of gravity should be positioned in a zone over the rear axle. Notice: Your warranty does not cover parts - 2003 GMC Sonoma | Owner's Manual - Page 253
on the passenger's door for dimensions A and B as shown in the following illustration. t Use the rear edge of the load floor for measurement purposes. The recommended location for the cargo center of gravity for the Cargo Weight Rating (C) is the point where the mass of a body is concentrated and - 2003 GMC Sonoma | Owner's Manual - Page 254
should fall within the center of gravity zone for your vehicle's cargo load. Campers can only be installed in a long box pickup. Check your Truck-Camper Loading Label on the passenger's door to determine if your vehicle can carry a slide-in camper. You must weigh any accessories, trailer hitches or - 2003 GMC Sonoma | Owner's Manual - Page 255
box removed and a commercial or recreational body installed. However, we recommend that conversions drive properly, you can lose control when you pull a trailer. For example, if the trailer istoo heavy, the brakes covered by your warranty. To pull a trailer correctly, follow the advice in this part - 2003 GMC Sonoma | Owner's Manual - Page 256
your engine and other parts of your vehicle wear in at the heavier loads. You may want to shift the transmission to THIRD (3) or, if necessary, a lower gear selection if the transmission shifts too often (e.g., under heavy loads and/or hilly conditions). If you have a manual transmission and you are - 2003 GMC Sonoma | Owner's Manual - Page 257
Cab Axle Ratio Maximum Trailer Weight GCWR** I 2WD Extended Cab 2.2L L4/Manual Trans. 2.2L L4/Auto. Trans. 4.3L V6/Manual Trans. V6/Auto. Trans 2WD Long Box Trans. 4.3 L V6/Auto Trans. 4WD Extended Cab V6/Manual 4.3L Trans. 4.3 L V6/Manual Trans. w/ZR2 3.73 ~ ~~ ~ ~~ 0 0 3.08 2,000 Ibs. (907 - 2003 GMC Sonoma | Owner's Manual - Page 258
a trailer. For more information on RPO codes, see Service Parts Identification Label on page5-94. Maximum trailer weight is calculated the completely loaded vehicle and trailer including any passengers, cargo, equipment and conversions. The GCWR for your vehicle Drive Oshawa,, Ontario L I H 8P7 4-57 - 2003 GMC Sonoma | Owner's Manual - Page 259
The Gross Vehicle Weight (GVW) includes the curb weight of the vehicle, any cargo you may carry in it, and the people who will be riding in the these numbers on the Certification label at the rear edge of the driver's door above the door latch, or see Loading Your Vehicle on page 4-49. Then be sure - 2003 GMC Sonoma | Owner's Manual - Page 260
kg) be sure to use a properly mounted, 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. 0 If your vehicle has the bumper delete option, do not bolt any type of hitch to the close-out - 2003 GMC Sonoma | Owner's Manual - Page 261
and then apply the trailer 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 occasionally to be sure that the load is secure, and that the lamps and any trailer brakes are still working. Passing You - 2003 GMC Sonoma | Owner's Manual - Page 262
trailer lamps will automatic transmission, you should use THIRD (3) when towing a trailer. Operating your vehicle in THIRD (3) when towing a trailer will minimize heat buildup and extend the life of your transmission. Or, if you have a manual transmission, it's better not to use FIFTH (5). Just drive - 2003 GMC Sonoma | Owner's Manual - Page 263
. See Part A: Scheduled Maintenance Services on page 6-4 for more on this. 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 - 2003 GMC Sonoma | Owner's Manual - Page 264
Pressure Cap ...5.30 Engine Overheating ...5-30 Cooling System ...5-33 Engine Fan Noise ...5-40 Power Steering Fluid ...-5-41 Windshield Washer Fluid ...5-42 Brakes ...-5-43 Battery ...5-46 Jump Starting ...5-47 Rear Axle ...-5-52 Four-wheel Drive ...5-53 Front Axle ...5-54 Bulb Replacement ...5-55 - 2003 GMC Sonoma | Owner's Manual - Page 265
94 Vehicle Identification Number (VIN) ...5-94 Service Parts Identification Label ...5-94 Electrical System ...5-95 Add-on Electrical Equipment ...5-95 Headlamps ...5-95 Windshield Wiper Fuses ...5-95 Power Windows and Other Power Options ...5-95 Fuses and Circuit Breakers ...5-95 Capacities and - 2003 GMC Sonoma | Owner's Manual - Page 266
tells you much more about how to service your vehicle than this manual can. To order the proper service manual, see Service Publications Ordering Information on page 7-1 1. Your vehicle may have an air bag system. If it does, see Servicing Your Air Bag-Equipped Vehicleon page 7-64 before attempting - 2003 GMC Sonoma | Owner's Manual - Page 267
. You can be injured and yourvet..,le could be damaged if you try to do service work on a vehicle without knowing enough about it. Be sure you have sufficient knowledge, experience, the proper replacement parts and tools before you attempt any vehicle maintenance task. Be sure to use the proper - 2003 GMC Sonoma | Owner's Manual - Page 268
emission control system performance compared to other gasoline. In Canada, look for the "Auto Makers' Choice" label on the pump. engine. A little pinging noise when you accelerate or drive uphill is considered normal. This does not indicate a problem exists or that a higher-octane fuel is necessary. - 2003 GMC Sonoma | Owner's Manual - Page 269
the life of spark plugs and the performance of the emission 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, all gasolines in the United States are now required to contain - 2003 GMC Sonoma | Owner's Manual - Page 270
very bad injuries. Don't smoke if you're near fuel or refueling your vehicle. Keep sparks, flames and smoking materials away from fuel. The fuel cap is located behind a hinged door on the driver's side of your vehicle. 5-7 - 2003 GMC Sonoma | Owner's Manual - Page 271
full, and is more likely in hotweather. Open the fuel cap slowly and wait for any "hiss" noise to stop.Then unscrew the cap all the way. While refueling, hang the cap by the tether from the hook on the fuel filler door. To remove the fuel cap, turn it slowly to the left (counterclockwise). 5-8 - 2003 GMC Sonoma | Owner's Manual - Page 272
pump shuts off. When you put the fuel cap back on, turn it to the right (clockwise) until you hear a clicking sound. Make sure you fully install the cap. The diagnostic system can determine if the fuel cap inside a vehicle, in a vehicle's trunk, pickup bed or on any surface other than the ground. e - 2003 GMC Sonoma | Owner's Manual - Page 273
Checking Things Under the Hood 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 to drop or spill things that - 2003 GMC Sonoma | Owner's Manual - Page 274
3. Release the hood prop from its retainer and put the hood prop into the slot in the hood. Before closing the hood, be sure all the filler caps are on properly. Then lift the hood to relieve pressure on the hood prop. Remove the hood prop from the slot in the hood and - 2003 GMC Sonoma | Owner's Manual - Page 275
- 2003 GMC Sonoma | Owner's Manual - Page 276
A. Battery B. Coolant Recovery Tank C. Automatic Transmission Dipstick D. Engine Oil Fill Cap and Dipstick E. Power Steering Reservoir F. Brake Master Cylinder G. Engine Air Cleaner/Filter H. Engine Compartment Fuse Block i. Windshield Washer Fluid Reservoir 5-13 - 2003 GMC Sonoma | Owner's Manual - Page 277
, you'll see: A. Battery B. Coolant Recovery Tank C. Engine Oil Dipstick D. Engine Oil Fill E. Automatic Transmission Dipstick (if Equipped) 5-14 F. Power Steering Reservoir G. Brake Master Cylinder Reservoir H. Engine Air Cleaner/Filter I. Engine Compartment Fuse Block J. Windshield Washer Fluid - 2003 GMC Sonoma | Owner's Manual - Page 278
Checking Engine Oil It's a good idea to check p u r engine oil every time you get fuel. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick handle on the 'VORTEC" 4300 V6 engine is a yellow ring. See Engine Compartment - 2003 GMC Sonoma | Owner's Manual - Page 279
, the engine oil fill cap is located in the rear 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, the proper operating range. Push the dipstick all the way back in when you're through. What Kind of Engine Oil - 2003 GMC Sonoma | Owner's Manual - Page 280
7 If youchoose I I 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 for - 2003 GMC Sonoma | Owner's Manual - Page 281
vehicle. The vehicle is used for delivery service, police, taxi or other commercial application. Driving under these conditions causes engine oil to break down sooner. to use the recommended oil can result in engine damage not covered by your warranty. GM Goodwrench@oil meets all the requirements - 2003 GMC Sonoma | Owner's Manual - Page 282
oil, ask your dealer, a service station or a local recycling center for help. Remote Oil Filter (Four-wheel Drive) The access door for the remote oil filter is in the steering linkage shield assembly located under the radiator support. Turn the screw to unlock or lock the door. Make sure if you - 2003 GMC Sonoma | Owner's Manual - Page 283
driver's side of the vehicle. See Engine Compartment Overview on page 12 for 5more information on location. To remove either engine air cleaner/filter, do the following: 1. Remove the fasteners that hold the cover on and remove the cover 2. Lift out the engine air cleaner/filter, if needed. 5-20 - 2003 GMC Sonoma | Owner's Manual - Page 284
. See Part A: Scheduled Maintenance Services OR page 6-4 Notice: If the air cleanedfilter is off, a backfire can cause a damaging engine fire.And, dirt can easily get into your engine, which will damage it. Always have the air cleanedfilterin place when you're driving. Automatic Transmission Fluid - 2003 GMC Sonoma | Owner's Manual - Page 285
hot engine part or exhaust system parts, starting a fire. Too little fluid could cause the transmission to overheat. Be sure to get an accurate reading if you check your transmission fluid. Wait at least 30 minutes before checking the transmission fluid level if you have been driving: When outside - 2003 GMC Sonoma | Owner's Manual - Page 286
Qn it. The transmission dipstick is located near the center of the engine compartment. See Engine Compatfment Overview on page 5-12 for more information on location. 1. Flip the handle up and then pull out the dipstick and wipe it with a clean rag or paper towel. 2. Push it back in all the way - 2003 GMC Sonoma | Owner's Manual - Page 287
the dipstick back in all the way; then flip the handle down to lock the dipstick in place. Notice: We recommend you use only fluid labeled DEXRON@111, because fluid with that label is made especially for your automatic transmission. Damage caused by fluid other than DEXRON@ 111 is not covered by - 2003 GMC Sonoma | Owner's Manual - Page 288
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 Sonoma | Owner's Manual - Page 289
fluid 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 6-25 - 2003 GMC Sonoma | Owner's Manual - Page 290
place in the reservoir. See the instructions on the reservoir cap. A 50/50 mixture of extended life coolant. The following explains your cooling system and how to add coolant when it is low. If you have a problem with engine overheating, see Engine Overheating on page 5-30. Let the warning lights - 2003 GMC Sonoma | Owner's Manual - Page 291
badly damaged. The repair cost wouldn't be covered by your warranty. Too muchwater in the mixture canfreeze and crack the engine, radiator, heater core and other parts. If you have to add coolant more than four times a year, have your dealer check your cooling system. Adding only plain wa-- to your - 2003 GMC Sonoma | Owner's Manual - Page 292
Checking Coolant Adding Coolant If you need more coolant, add the proper DEX-COOL@ coolant mixture at the coolant remvery tmk. Turning the radiator pressure cap when the engine and radiator are hot can allow steam and scalding liquids to blow out and burn you badly. With the coolant recovery tank, - 2003 GMC Sonoma | Owner's Manual - Page 293
, and it will burn if the engine parts are hot enough. Don't spill coolant on a hot engine. Occasionally check the coolant level in the radiator. For information on how to add coolant to the radiator, see Cooling System on page 5-33. Notice: Your radiator pressure cap is a 15 psi (105 kPa) pressure - 2003 GMC Sonoma | Owner's Manual - Page 294
there is no sign of steam or coolant before you open the hood. If you keep driving when your engine is overheated, the liquids in it can catch fire. You or others your engine catches fire because you keep driving with no coolant, your vehicle can be badly damaged. The costly repairs would not be - 2003 GMC Sonoma | Owner's Manual - Page 295
speed and open the window as necessary. If you no longer have the overheat warning, you can drive. Just to be safe, drive slower for about 10 minutes. If the warning doesn't come back on, you can drive normally. If the warning continues, pull over, stop, and park your vehicle right away. If there - 2003 GMC Sonoma | Owner's Manual - Page 296
Cooling System When you decide it's safe to lift the hood, here's what you'll see: A. Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Cooling Fan If the coolant inside the coolant recovery tank is boiling, don't do anything else until it cools down. The vehicle should be - 2003 GMC Sonoma | Owner's Manual - Page 297
the pressure cap or in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. If service. Turn off the engine. Notice: Engine damage from running your engine without coolant isn't covered by your warranty. Heater and radiatol oses, an 3ther engine parts - 2003 GMC Sonoma | Owner's Manual - Page 298
Recovery Tank If you haven't found a problem yet, but the coolant level isn't can boil before the proper coolant mixture will. Your vehicle's coolant warning system is set for the proper coolant mixture. With plain water or the parts. Use the recommended coolant and the proper coolant mixture. 5-35 - 2003 GMC Sonoma | Owner's Manual - Page 299
glycol and it will burn if the engine parts are hot enough. Don't spill coolant on a hot engine. Steam and scalding liquids from a hot cooling system can blow out and burn you badly. They are under pressure, and if you turn the radiator pressure cap even a little -- they can come out at high - 2003 GMC Sonoma | Owner's Manual - Page 300
1. You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise until it first stops. (Don't press down while turning the pressure cap.) If you hear a hiss, wait for - 2003 GMC Sonoma | Owner's Manual - Page 301
2. Then keep turning the pressure cap, but now push down as you turn it. Remove the pressure cap. 3. Fill the radiator with the proper DEX-COOL coolant mixture, up to the base of the filler neck. See Engine Coolant on page 5-27for more information about the proper coolant mixture. @ 5-38 - 2003 GMC Sonoma | Owner's Manual - Page 302
tank to ADD mark. 5. Put the cap back on the coolant recovery tank, but leave the radiator pressure cap off. 6. Start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fan. 7. By this time, the coolant level inside the radiator - 2003 GMC Sonoma | Owner's Manual - Page 303
8. Then replace the pressure cap. At any time during this procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap. Be sure the arrow on the pressure cap lines up like this. You may also hear this fan noise when you start the engine. It will go away as the fan - 2003 GMC Sonoma | Owner's Manual - Page 304
system could indicate a problem. Have the system inspected and repaired. See Engine Compartment Overview on page 5-12 for reservoir location. How to Check Power Steering Fluid Turn the key off, let the engine compartment cool down, wipe the cap fluid to use, see Part D: Recommended Fluids and - 2003 GMC Sonoma | Owner's Manual - Page 305
manufacturer's instructions for adding water. e Don't mix water with ready-to-use washer fluid. Water can cause the solution tofreeze and damage your washer fluid tank and other parts of the washer system.Also, water doesn't clean as well as washer fluid. a Adding Washer Fluid Open the cap with - 2003 GMC Sonoma | Owner's Manual - Page 306
you'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. A r. L Your brake master cylinder reservoir is filled with DOT-3 brake fluid. See Engine Compartment Overview on page 5-72for the - 2003 GMC Sonoma | Owner's Manual - Page 307
fluid... Notice: Using the wrong fluid can badly damage brake system parts. For example, just a few drops of mineral-based oil, suchas engine oil, in your brake system can damage brake system parts so badly that they'llhave to be replaced. Don't let someone put in the wrong kind of fluid. If you - 2003 GMC Sonoma | Owner's Manual - Page 308
all the time your vehicle is moving (except when you are pushing on the brake pedal firmly). Some driving conditions or climates may cause a brake squeal when the brakes are first applied or lightly applied. This does not mean something is wrong with your brakes. Properiy torqued wheel nuts are - 2003 GMC Sonoma | Owner's Manual - Page 309
on page 5- 12 for battery location. Warning: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling. Replacing Brake System Parts The braking system on a vehicle is - 2003 GMC Sonoma | Owner's Manual - Page 310
drive your vehicle for 25 days or more, remove the black, negative (-) cable from the battery. This will help keep your battery from running down. . Batteries that wouldn't be covered by your warranty. Trying battery with a negative ground system. Notice: If the other system isn't a 12-volt system - 2003 GMC Sonoma | Owner's Manual - Page 311
electrical systems. To avoid the possibility of the vehicles rolling, set the parking brake firmly on both vehicles involved in the jump start procedure. Put an automatic transmission in PARK (P) or a manual transmission in NEUTRAL before setting the parking brake. If you have a four-wheel-drive - 2003 GMC Sonoma | Owner's Manual - Page 312
. Don't connect positive (+) to negative (-) or you'll get a short that would damage the battery and maybe other parts too. And don't connect the negative(-) cable to the negative (-) terminal on the dead battery because this can cause sparks. 7. Don't let the other end touch metal. Connect it to - 2003 GMC Sonoma | Owner's Manual - Page 313
the other end of the negative (-) cable at least 18 inches (45 cm) away from the dead battery, but not near engine parts that move. The electrical connection is just as good there, and the chance of sparks getting back to the battery is much less. 11. Now start the vehicle with the good - 2003 GMC Sonoma | Owner's Manual - Page 314
the black negative (-) cable from the vehicle with the good battery. 3. Disconnect the red positive (+) cable from the vehicle with the good battery. 4. Disconnect the red positive (+) cable from the other vehicle. A. Heavy, Unpainted Metal Engine Part B. Good Battery C. Dead Battery 5-51 - 2003 GMC Sonoma | Owner's Manual - Page 315
When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See Part A: Scheduled Maintenance Services on page 6-4. If the level is below the bottom of the filler plug hole, you'll need to add some lubricant. Add enough - 2003 GMC Sonoma | Owner's Manual - Page 316
Four-wheel Drive Lubricant checks in this section also apply to these vehicles. However, there are two additonal systems that need lubrication. How to Check Lubricant Transfer Case When to Check Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant. See Part C: - 2003 GMC Sonoma | Owner's Manual - Page 317
When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See Part A: Scheduled Maintenance Services on page 6-4. If the level is below the bottom of the filler plug hole, you may need to add some lubricant. When the - 2003 GMC Sonoma | Owner's Manual - Page 318
your GM dealer's service department. Headlamps One-Piece Composite Headlamp System 1. Open the hood. Halog-r Bulbs I logen bulbs havepressurized 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 - 2003 GMC Sonoma | Owner's Manual - Page 319
Two-Piece Composite Headlamp System 1. Open the hood. 5. Turn the bulb assembly counterclockwise to it clockwise until it is tight. 7. Plug in the electrical connector. 8. Put the headlamp assembly back into the vehicle. 9. Install the two retaining clips. 2. Remove the black retainer clips by - 2003 GMC Sonoma | Owner's Manual - Page 320
out to remove it from the socket. 4. Push the new bulb into the socket until it snaps into place. 5. Put the bulb socket into the lamp assembly and twist it clockwise until it is tight. 6. Put the headlamp assembly back into the vehicle. 7 . Install the two retaining clips. 8. Close the hood. 5-57 - 2003 GMC Sonoma | Owner's Manual - Page 321
shown in " Two-Piece Composite Headlamp System" under Headlamps on page 5-55 2. Locate the locking tabs on the assembly. Squeeze the socket into the lamp assembly and turn it clockwise until it is tight. 7 . To reinstall the assembly, snap the outboard end of the lamp assembly back into the vehicle. - 2003 GMC Sonoma | Owner's Manual - Page 322
the screws. If equipment such as a cap or camper is installed on your vehicle, a center high-mounted stoplamp feed wire is provided along the driver's side rear frame. This wire should be used to install a center high-mounted stoplamp in the cap or camper. 1. Remove the lens retaining screws - 2003 GMC Sonoma | Owner's Manual - Page 323
Rear Sidemarker LamDs 194NA Front Sidemarker Lamps Front Turn Signal Lamps 3457A 211-2 Center High-Mounted Stoplamp *For replacement bulbs not listed here, please consult turn the socket clockwise until it locks in place. 8. Reinstall the assembly. Install and tighten the screws. 9. Close the tailgate. - 2003 GMC Sonoma | Owner's Manual - Page 324
length, see Normal Maintenance Replacement Partson page 5- 103. Notice: Use care when removing or installing a blade assembly. Accidental bumping can cause the arm to fall back and strike the windshield. 1. To remove the old wiper blades, lift the wiper arm until it locks into a vertical position - 2003 GMC Sonoma | Owner's Manual - Page 325
blade assembly. The insert has two notches at one end that are locked by bottom claws of the blade assembly. At the notched end, at the opposite end (B). The plastic caps (C) will be forced off as the insert is fully inserted. 5. Be sure that the notches are locked by the bottom claws. Make sure that - 2003 GMC Sonoma | Owner's Manual - Page 326
6. Put the blade assembly pivot in the wiper arm hook. Pull up until the pivot locking tab locks in the hook slot. 7. Carefully lower the wiper arm and blade assembly onto the windshield. B C A. Claw in Notch B. Correct Installation C. Incorrect Installation 5-63 - 2003 GMC Sonoma | Owner's Manual - Page 327
warranty and where to obtain service, see your GMC Warranty booklet for details. Poorly maintained and improperly used tires are dangerous. 0 Overloading your tires can cause overheating as a result of too much friction. You could have an air replace them. 5-64 - 2003 GMC Sonoma | Owner's Manual - Page 328
driver's door edge, above the door latch, sure to put the valve caps back on the valve stems. They help prevent leaks by keeping out dirt and moisture. Too much heat Tireoverloading 0 Bad wear Bad handling 0 Bad fuel economy If your tires have too much air - 2003 GMC Sonoma | Owner's Manual - Page 329
you notice unusual wear, rotate your tires as soon as possible and check wheel alignment. Also check for damaged tires or wheels. See When It Is Time for New Tires on page 5-67 and Wheel Replacement on page 5-70 for more information. Make sure the spare tire is stored securely. Push, pull, and then - 2003 GMC Sonoma | Owner's Manual - Page 330
the parts to which it is fastened, can make wheel nuts become loose after a time. The wheel could come off and cause an accident. When you change a wheel, remove any rust ordirt from places where the wheel attaches damage that can't be repaired well because of the size or location of the damage. 5-67 - 2003 GMC Sonoma | Owner's Manual - Page 331
handling, speed rating, traction, ride and other things during normal service on your vehicle. If your tires have an all-season tread design, the TPC number will be followed by an "MS" (for mud and snow). Mixing tires could cause you to lose control while driving. If you mix tires of different sizes - 2003 GMC Sonoma | Owner's Manual - Page 332
times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service Grading system does not and light controlled conditions - 2003 GMC Sonoma | Owner's Manual - Page 333
or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts and wheel nuts should be replaced. If the wheel leaks air, replace it (except some aluminum wheels, which can sometimes be repaired). See your dealer if any of these conditions exist. Your dealer will know the - 2003 GMC Sonoma | Owner's Manual - Page 334
be dangerous. It could affect the braking and handling of your vehicle, make your tires lose air and make you lose control. You could have a collision in which you or others could be injured. Always use the correct wheel, wheel bolts and wheel nuts for replacement. Pu_ _ _ _ l g a used \ on your - 2003 GMC Sonoma | Owner's Manual - Page 335
it for use on your vehicle and tire size combination and road conditions. Follow that manufacturer's instructions. To help avoid damage to your vehicle, drive slowly, readjust or remove the device if it's contacting your vehicle, and don't spin your wheels. If you do find traction devices that will - 2003 GMC Sonoma | Owner's Manual - Page 336
under control by steering the way brake firmly. Changing a Flat Tire If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on your hazard warning flashers. 2. Put an automatic transmission shift lever in PARK (P), or shift a manual transmission - 2003 GMC Sonoma | Owner's Manual - Page 337
is stored inside the plastic jack cover which is behind the front seats, either on the center of the wall (extended cab) or on the passenger's side wheel blocks, jack and wheel wrench. Notice: Never remove or restow a tire fromlto a stowage position under the vehicle while the vehicle is supported - 2003 GMC Sonoma | Owner's Manual - Page 338
the hole in the rear bumper. Notice: To help avoidvehicle damage, do not drive the vehicle before cable the is restowed. 8. Put the spare tire near the flat tire. A 4. Be sure the chisel end of the wheel wrench connects into the hoist shaft. 5. Turn the wheel wrench counterclockwise to lower the - 2003 GMC Sonoma | Owner's Manual - Page 339
. If you have individual wheel nut caps that cover each nut, they must be removed in order to get to the wheel nuts. Use the socket end of the wheel wrench to remove the wheel nut caps. Your wheel nut caps may attach your hub cap to the wheel. Remove these wheel nut caps before you take off the - 2003 GMC Sonoma | Owner's Manual - Page 340
Removing the Flat Tire and Installing the Spare Tire 1. Using the wheel wrench, loosen all the wheel nuts. Don't remove them yet. 2. Turn the jack handle clockwise slightly to raise the jack lift head. 3. Fit the jack into the appropriate hole nearest the flat tire. 5-77 - 2003 GMC Sonoma | Owner's Manual - Page 341
jacked up is dangerous. If the vehicle slipsoff the jack you could be badly injured or killed.Never get under a vehicle when it is supported only by a jack. CAUTION: A. Front Frame Hole B. Rear Frame Hole (ZR2) C. Spring Hanger Hole (Standard Pickups) Raising your vehicle with the jack improperly - 2003 GMC Sonoma | Owner's Manual - Page 342
room for the spare tire to fit underneath the wheel well. 5. Remove all the wheel nuts and take off the flat tire. 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 Sonoma | Owner's Manual - Page 343
on studs or nuts. If you do, the nuts might come loose. Your wheel could fall off, causing a serious accident. 1 10. Lower the vehicle by turning the jack handle counterclockwise. Lower the jack completely. 7. Place the spare on the wheel mounting surface. 8. Put the nuts on by hand. Make sure the - 2003 GMC Sonoma | Owner's Manual - Page 344
use the correct wheel nuts. If you have to replace them, be sure to get new GM original equipment wheel nuts. Stop wheel nut torque specification. Notice: Improperly tightened wheel nuts can lead to brake pulsation and rotor damage. To avoid expensive brake repairs, evenly tighten the wheel - 2003 GMC Sonoma | Owner's Manual - Page 345
should always be stored under the vehicle with the hoist. However, storing it that way for an extended period could damage the wheel. To avoid this, have the wheel repaired as soon as possible. A. B. C. D. E. WheelWrench Hoist Assembly Retainer Spring Tire F. Valve Stem (Pointed Down) G. Lower - 2003 GMC Sonoma | Owner's Manual - Page 346
the vehicle, with the valve stem pointed down and to the rear. 2. Pull the retainer through the wheel. 3. Put the chisel end of the wheel wrench, on an angle, through the hole in the rear bumper and into the hoist shaft. 4. Raise the tire fully against the underside of the vehicle by turning - 2003 GMC Sonoma | Owner's Manual - Page 347
Put the jack cover back on, if you have one. H F A. WheelWrench B. Bracket C. Jacking Instructions (Roll and place tag behind the bracket after the tools are installed.) D. Bolt Location A. Bolt B. Cover (Regular and Crew Cab@) C. Cover (Extended Cab) E. Wheel Blocks F. Nut G. RubberBand H. Jack - 2003 GMC Sonoma | Owner's Manual - Page 348
chains too. Don't use tire chains on your compact spare. Notice: When the compact spare is installed, don't take your vehicle throughan automatic car wash with guide rails. The compact spare can get caught on the rails. That can damage the tire andwheel, and maybe other parts of your vehicle. 5-85 - 2003 GMC Sonoma | Owner's Manual - Page 349
if you strike a match or get them on ahot part of the vehicle. Some are dangerous if you breathe their the manufacturer's warnings and instructions. And always open your doors or windows when you're , too. Don't use any of these unless this manual says you can. In many uses, these will damage - 2003 GMC Sonoma | Owner's Manual - Page 350
used if stains are stubborn. Q) Special Fabric Cleaning Problems Stains caused by such things as catsup, coffee (black a stain remains, follow the cleaner instructions described earlier. If a ring forms clean sponge. Don't saturate the material and don't rub it roughly. 5. As soon as you've - 2003 GMC Sonoma | Owner's Manual - Page 351
Vinyl Use warm water and a clean cloth. Rub with a clean, damp cloth to remove dirt. You may have to do this more than once. Things like tar, asphalt and or waxes may cause annoying reflections in the windshield and even make it difficult to see through the windshield under certain conditions. 5-88 - 2003 GMC Sonoma | Owner's Manual - Page 352
or squeak. Apply silicone grease with a clean cloth at least every six months. During very cold, damp weather more frequent application may be required. See Part D: Recommended Fluids and Lubricants on page 6-32. 5-89 - 2003 GMC Sonoma | Owner's Manual - Page 353
soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing Your Vehicle." Exterior painted surfaces are subject aluminum. A coating of wax, rubbed to high polish, is recommended for all bright metal parts. Notice: Machine compounding or aggressive - 2003 GMC Sonoma | Owner's Manual - Page 354
an automatic car wash that has silicone carbide tire cleaning brushes. These brushes can also damage the surface of these wheels. Sheet Metal Damage If your vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to parts - 2003 GMC Sonoma | Owner's Manual - Page 355
control can collect on the underbody. If these are not removed, accelerated corrosion (rust) can occur on the underbody parts such as fuel lines, frame, floor pan and exhaust system underbody car washing system can do this conditions vehicles damaged by this fallout condition within 12 months or 12, - 2003 GMC Sonoma | Owner's Manual - Page 356
easy step, no wiping necessary. Medium foaming shampoo. Cleans and lightly waxes. Biodegradable and phosphate free. I Descrbtion Spot Lifter Usage Odor Eliminator ~ ~~ I See your General Motors parts department for these products. See Part D: Recommended Fluids and Lubricants on page 6-32. - 2003 GMC Sonoma | Owner's Manual - Page 357
) Engine 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 j a SAMPLE4UXl M072675 You'll find this label on the inside of the glove box. It's very helpful if you - 2003 GMC Sonoma | Owner's Manual - Page 358
. This greatly reduces the chance of fires caused by electrical problems. Look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure you replace a bad fuse with a new one of the identical size and rating. Headlamps The headlamp wiring is protected by - 2003 GMC Sonoma | Owner's Manual - Page 359
. Extra fuses and the fuse extractor are provided in the cover. To reinstall the fuse panel cover, push in and turn the fastener clockwise. Fuse A B 1 Usage Not Used Not Used Not Used Cigarette Lighter, Data Link Connector Cruise Control Module and Switch, Body Control Module, Heated - 2003 GMC Sonoma | Owner's Manual - Page 360
Controls (VCM, PCM, Transmission) Supplemental Inflatable Restraint Front Wiper Steering Wheel Radio Controls Radio, Battery Amplifier Heating, Ventilation, Air Cooling (Manual), Heating,Ventilation, Air Cooling (Automatic), Heating, Ventilation, Air Cooling Sensors (Automatic) Anti-Lock Brakes - 2003 GMC Sonoma | Owner's Manual - Page 361
Block The engine compartment fuse block is located under the hood on the driver's side of the vehicle. See Engine Compartment Overview on page5-12 for more information on location. Remove the cover by turning the fastener counterclockwise. To reinstall the fuse panel cover, push in and turn the - 2003 GMC Sonoma | Owner's Manual - Page 362
Panel Fuse Block Feed Engine Sensors/Solenoids, MAF, CAM, PURGE, VENT Engine Control Module, Fuel Pump Module, Oil Pressure Anti-Lock Brake System Engine Control Module Injectors Fuel Pump Daytime Running Lamps Air Conditioning Horn Not Used Horn Automatic Transmission Shift Lock Control System Back - 2003 GMC Sonoma | Owner's Manual - Page 363
Accessory Feeds, Electric Brake Parking Lamps Left Rear Parking Lamps Liftglass Starter Solenoid, Fuel Pump, PRNDL Heated Seat Fuse HVAC TRCHMSL RRDFOG TBC CRANK CHMSL HAZLP VECHMSL RR DEFOG HTDMIR ATC STOPLP RR W/W Usage Heating,Ventilation, Air Cooling System Trailer Center High Mount Stop Light - 2003 GMC Sonoma | Owner's Manual - Page 364
Please refer to Part E: Maintenance Record on page 6-34 in the index for more infot'mation. See refrigerant change label under the hood for charge capacity information and requirements. I Capacities Cooling System 2.2L Engine 4.3L Engine w/Auto. Trans. 4.3L Engine w/Manual. Trans. Engine Oil - 2003 GMC Sonoma | Owner's Manual - Page 365
Automatic Transmission Differential Fluid Rear Axle Front Axle Air Conditioning Capacity Capacities and Specifications Type 2200 L4 VIN Code 5 Transmission Automatic Manual Automatic Manual Spark Plug Gap 0.040 inches (1.01 mm) 0.060 inches (1.52 mm) I I Firing Order 1-3-4-2 I I 5- 102 - 2003 GMC Sonoma | Owner's Manual - Page 366
Normal Maintenance Replacement Parts PCV Valve 2200 Engine 4300 Engine N/A *CV7696 I Windshield Wiper Blades Length I 20 inches (51 cm) Trico *ACDelco@ Part No. **GM Part No. 5-103 - 2003 GMC Sonoma | Owner's Manual - Page 367
- 2003 GMC Sonoma | Owner's Manual - Page 368
System Inspection ...6.30 Fuel System inspection ...6.30 Engine Cooling System Inspection ...6-31 Throttle System Inspection ...6.31 Transfer Case and Front Axle (Four-wheel Drive) Inspection ...6.31 Brake System Inspection ...6.31 Part Maintenance ...6.17 Part B: Owner Checks and Services ...6-25 At - 2003 GMC Sonoma | Owner's Manual - Page 369
your vehicle in good working condition, but also helps the even affect the quality of the air we breathe. Improper fluid levels or and to keep your vehicle in good condition, please maintain your vehicle properly. Maintenance manual are necessary to keep your vehicle in good working condition - 2003 GMC Sonoma | Owner's Manual - Page 370
can easily do to help keep your vehicle in good condition. "Part C: Periodic Maintenance Inspections" explains important inspections that your dealer's service department or another qualified service center should perform. "Part D: Recommended Fluids and Lubricants" lists some recommended products - 2003 GMC Sonoma | Owner's Manual - Page 371
lubricants to use are listed in Part D. Make sure whoever services your vehicle uses these. All parts should be replaced and all necessary repairs done before you or anyone else drives the vehicle. These schedules are for vehicles that: carry passengers and cargo within recommended limits. You will - 2003 GMC Sonoma | Owner's Manual - Page 372
, if driving in dusty conditions. Front Wheel Bearing Repack (two-wheel drive only) (or at each brake relining, whichever occurs first). Automatic Transmission Service (severe conditions only). Every 30,000 Miles (50 000 km): Engine Air Cleaner Filter Replacement. Fuel Filter Replacement (4.3L - 2003 GMC Sonoma | Owner's Manual - Page 373
000 km): Fuel Filter Replacement (4.3L V6 engine only). Engine Air Cleaner Filter Replacement. Front Wheel Bearing Repack (two-wheel drive only) (or at each brake relining, whichever occurs first). Every 50,000 Miles (83 000 km): Automatic Transmission Service (normal conditions). Every 90,000 Miles - 2003 GMC Sonoma | Owner's Manual - Page 374
suspension, ball joints, steering linkage, parking brake cable guides, propshaft splines, universal joints, constant velocity joint and brake pedal springs. 3,000Miles (5000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate - 2003 GMC Sonoma | Owner's Manual - Page 375
engine air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. (See footnote f.) Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) For Two-Wheel-Drive - 2003 GMC Sonoma | Owner's Manual - Page 376
Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: joints and axle seals for leaking. (See footnote **-) 24,000 Miles (40000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service - 2003 GMC Sonoma | Owner's Manual - Page 377
0 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 0 4.3L V6 Engine Only: Replace fuel filter. An Emission Control Service. (See footnote t.) 0 Replace engine air cleaner filter. An Emission Control Service. vehicle is - 2003 GMC Sonoma | Owner's Manual - Page 378
). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) B For Two-Wheel-Drive vehicles only - 2003 GMC Sonoma | Owner's Manual - Page 379
if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. (See footnote f.) 50,000 Miles (83 000 km) 5 If you haven't used your vehicle under severe service conditions listed previously and, therefore, haven't changed your automatic transmission fluid, change - 2003 GMC Sonoma | Owner's Manual - Page 380
(See footnote **.) 0 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where - 2003 GMC Sonoma | Owner's Manual - Page 381
An Emission Control Service. CI Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) L l For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 0 Change automatic transmission fluid and - 2003 GMC Sonoma | Owner's Manual - Page 382
0 Inspect engine air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. (See footnote t-) 0 Check readfront axle fluid level and add fluid as needed. Check constant veiocity joints and axle seals for leaking. (See footnote **.) 84,000 - 2003 GMC Sonoma | Owner's Manual - Page 383
111 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside - 2003 GMC Sonoma | Owner's Manual - Page 384
. Pressure test cooling system and pressure cap. An Emission Control Service. 0 Inspect engine accessory drive belt. An Emission Control Service. 100,000 Miles (166 000 km) 0 Inspect spark plug wires. An Emission Control Service. 0 Replace spark plugs. An Emission Control Service. 0 If you haven - 2003 GMC Sonoma | Owner's Manual - Page 385
+ A good time to check yourbrakes is during tire rotation. See Brake System Inspection on page 6-31. ** Drive axle service. See Part D: Recommended Fluids and Lubricants on page6-32 for proper lubricant to use: 0 Check fluid level and add fluid as needed. 0 If your vehicle has a locking differential - 2003 GMC Sonoma | Owner's Manual - Page 386
and axle seals for leaking. (See footnote **.) 0 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). service. If you do not use your vehicle under any of these conditions, change thefluid and filter every 50,000 miles (83 - 2003 GMC Sonoma | Owner's Manual - Page 387
0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city Engine Only: Replace fuel filter. An Emission Control Service. (See footnote t.) d Replace engine air cleaner filter. An Emission Control Service. 37,500Miles - 2003 GMC Sonoma | Owner's Manual - Page 388
used your vehicle under severe conditions listed previously and, therefore, haven't changed your automatic transmission fluid, change both the fluid and filter. Manual transmission fluid doesn't require change. whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or - 2003 GMC Sonoma | Owner's Manual - Page 389
0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic Engine Only: Replace fuel filter. An Emission Control Service. (See footnote t.) 0 Replace engine air cleaner filter. An Emission Control Service. 67,500 - 2003 GMC Sonoma | Owner's Manual - Page 390
. (See footnote **.) For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where - 2003 GMC Sonoma | Owner's Manual - Page 391
12 months, Service. 0 Replace spark plugs. An Emission Control Service. 0 If you haven't used your vehicle under severe service conditions listed previously and, therefore, haven't changed your automatic transmission fluid, change both the fluid and filter. Manual transmission fluid doesn't require - 2003 GMC Sonoma | Owner's Manual - Page 392
Services Listed in this part are owner checks and services which should be performed at the intervals specified to help ensure the safety, dependability and ernissior! control is important for you or a service station attendant to perform these Service Clean cassette tape player. Cleaning should be done every - 2003 GMC Sonoma | Owner's Manual - Page 393
damaged safety belt system parts. If you see anything that might keep a safety belt system from doing its job, have it repaired. Have any torn or frayed safety belts replaced. Also look for any opened or broken air bag coverings, and have them repaired or replaced. (The air bag system does not need - 2003 GMC Sonoma | Owner's Manual - Page 394
At Least Four Times a Year Tailgate Lubrication Service Lubricate taiigate iatch bolt, handle assembly pivot points, and hinges with lubricant recommended in Part D. Starter Switch Check At Least Once a Year Key Lock Cylinders Service Lubricate the key lock cylinders with the lubricant specified - 2003 GMC Sonoma | Owner's Manual - Page 395
needs service. 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. With an automatic transmission, the key should turn to LOCK only when the shift lever is in PARK (P). With a manual transmission, the - 2003 GMC Sonoma | Owner's Manual - Page 396
Parking Brake and Automatic Transmission Park (P) Mechanism Check Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. To check the parking brake's holding ability: With the engine running and transmission in NEUTRAL (N), - 2003 GMC Sonoma | Owner's Manual - Page 397
See Service Publications Ordering Information on page 7-I 1. Exhaust System Inspection Inspect the complete exhaust system. Inspect the body near the exhaust system. Look for broken, damaged, missing or out-of-position parts as well as open seams, holes, loose connections or other conditions which - 2003 GMC Sonoma | Owner's Manual - Page 398
fittings and clamps; replace as needed. Clean the outside of the radiator and air conditioning condenser. To help ensure proper operation, a pressure test of the cooling system and pressure cap is recommended at least once a year. Transfer Case and Front Axle (Four-wheel Drive) Inspection Every 12 - 2003 GMC Sonoma | Owner's Manual - Page 399
or equivalent. Hydraulic Clutch Fluid (GM Part No. U.S. 12345347, in Canada 10953517, or equivalent DOT-3 brake fluid). Usage Power Steering System Manual Transmission with V6 Engine Manual Transmission with L4 Engine Automatic Transmission Key Lock Cylinders Chassis Lubrication Engine Oil Engine - 2003 GMC Sonoma | Owner's Manual - Page 400
friction (Locking 10950849. Differential) modifier. TransferCase Transfer Case Shift Lever Rear Driveline Center Spline and Universal Joints Constant Velocity Universal Joint Clutch Pushrod to Clutch Fork Joint Usage - I I DEXRON@-IllAutomatic Transmission Fluid. Chassis Lubricant (GM Part No - 2003 GMC Sonoma | Owner's Manual - Page 401
Part E: Maintenance Record After the scheduled services are performed, record the date, odometer reading and who performed the service and any additional information from "Owner Checks and Services" or "Periodic Maintenance" on the following record pages. Also, you should retain all maintenance - 2003 GMC Sonoma | Owner's Manual - Page 402
Maintenance Record (cont'd) 6-35 - 2003 GMC Sonoma | Owner's Manual - Page 403
Maintenance Record (cont'd) 6-36 - 2003 GMC Sonoma | Owner's Manual - Page 404
I Information Customer Assistance Information ...Customer Satisfaction Procedure ...Online Owner Center ...Customer Assistance for Text Telephone (TTY) Users ...Customer Assistance ...7-11 Reporting Safety Defects to General Motors ...7-11 Service Publications Ordering Information ...7.11 7- 1 - 2003 GMC Sonoma | Owner's Manual - Page 405
windshield.) Dealership name and location Vehicle delivery date and present mileage When contacting GMC, please remember that your concern will likely be resolved at a dealer's been reviewed with the sales, service or parts manager, contact the owner of the dealership or the general manager. 7-2 - 2003 GMC Sonoma | Owner's Manual - Page 406
STEP THREE: Both General Motors and your dealer are committed to making sure you are completely satisfied with your new vehicle. However, if you continue to remain unsatisfied after following the procedure outlined in Steps One and Two, you should file with the GM/BBB Auto Line Program to enforce - 2003 GMC Sonoma | Owner's Manual - Page 407
one place. The Owner Center allows you to: Get e-mail service reminders. Access information about GMC, the letter should be addressed to GMC's Customer Assistance Center. United States Pontiac-GMC Customer Assistance Center P.O. Box 33172 Detroit,, MI 48232-5172 1-800-GMC-8782 (462-8782) 1-800-GMC - 2003 GMC Sonoma | Owner's Manual - Page 408
Motors of Canada Limited Customer Communication Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1 H 8P7 1-800-263-3777 (English) 1-800 hand controls, wheelchair/scooter lifts, etc.). This program can also provide you with free resource information, such as area driver assessment centers and - 2003 GMC Sonoma | Owner's Manual - Page 409
fuel for the customer to get to the nearest service station (up to $5.00) will be covered. Jump Start: No-start situations which require a battery jump start will be covered at no charge. Lock Out: Replacement keys or locksmith service will be covered at no charge if you are unable to gain entry - 2003 GMC Sonoma | Owner's Manual - Page 410
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 providing the name of the closest dealer or minor technical advice - 2003 GMC Sonoma | Owner's Manual - Page 411
vehicle cannot be scheduled into the service department immediately, keep driving it until it can be scheduled for service, unless, of course, the problem is safety-related. If it is, please call your dealership, let them know this, and ask for instructions. If the dealer requests that you simply - 2003 GMC Sonoma | Owner's Manual - Page 412
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 Sonoma | Owner's Manual - Page 413
Bumper-to-Bumper warranty coverage period, but it is not part . However, NHTSA cannot become involved in individual problems between you, your dealer or General Motors. Warranty, alternative transportation may time and to resolve all questions of claim eligibility pursuant to the terms and conditions - 2003 GMC Sonoma | Owner's Manual - Page 414
330 Sparks Street Tower C Ottawa, Ontario K I A ON5 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: $120.00 Reporting Safety - 2003 GMC Sonoma | Owner's Manual - Page 415
instructions to assist in the diagnosis and service of your vehicle. In Canada, information pertaining to Product Service Bulletins can be obtained by contacting your General Motors dealer or by calling 1-800-GM-DRIVE without incurring obligation. Allow ample time for delivery. Note to Canadian - 2003 GMC Sonoma | Owner's Manual - Page 416
? ...1-59 1-57 Where Are the Air Bags? ...5-20 AirCleaner/Filter,Engine ...All Overseas Locations ...7-5 Aluminum Wheels ...5-91 AM ...3-72 AM-FM Radio ...3-42 Antenna, Fixed Mast ...3-74 Anti-lockBrake System ...4-7 Anti-Lock Brake, System Warning Light ...3-33 Appearance Care ...5-86 Care of - 2003 GMC Sonoma | Owner's Manual - Page 417
Fluid ...5-21 Operation ...2-24 Automatic Transmission Check ...6-26 Automatic Transmission Shift Lock Control System Check ...6-28 BrakeWear ...5-45 Brakes ...5-43 Braking ...4-6 Braking in Emergencies ...4-8 Break-in, NewVehicle ...2-18 Bulb Replacement ...5-55 Center High-Mounted Stoplamp (CHMSL - 2003 GMC Sonoma | Owner's Manual - Page 418
Cassette Tape Player Service ...6-25 Center High-Mounted Stoplamp (CHMSL) ...5-59 Center Passenger Position, Safety Belts ...1-24 Chains, Tires ...5-72 Charging Light System ...3-30 Check 3-34 Engine Light ...3-39 GagesWarningLight ...Checking Brake Fluid ...5-44 5-29 Checking Coolant ...Checking - 2003 GMC Sonoma | Owner's Manual - Page 419
Own Service Work ...5-3 4-39 Dolly Towing ...4-47 ...Dome 3-16 Door Locks ...2-7 Locks Door Power ...2-8 Door (cont.) Programmable Automatic Door Locks ...2-8 Rear Door Security Locks ...2-10 Third Door ...2-11 Driver 1-17 Position, Safety Belt ...Driver Information Center (DIC) ...2-44 Driving At - 2003 GMC Sonoma | Owner's Manual - Page 420
Electrical System Add-on Equipment ...Fuses and Circuit Breakers ...Headlamps ...Power Windows and Other Power Options ...Windshield Wiper Fuses ...Electronic Transfer Case ...Emissions Inspection and Maintenance Programs ...Engine AirCleaner/Filter ...Battery ...Check and Service Engine Soon Light - 2003 GMC Sonoma | Owner's Manual - Page 421
Four-wheel Drive ...2-28, Front Axle ...Front MapLamps ...Front Storage Area ...Fuel ...Additives ...California Fuel ...Filling a PortableFuel Container ...Filling YourTank ...Fuels in Foreign Countries ...Gage ...Gasoline Octane ...Gasoline Specifications ...Low Warning Light ...System Inspection - 2003 GMC Sonoma | Owner's Manual - Page 422
...Part C - Periodic Maintenance ...Steering, Suspension and Front Drive Axle Boot and Seal ...Throttle System ...Transfer Case and Front Axle (Four-wheel Drive) ...Installing a Garage Door Opener ...Instrument Panel Cluster ...Overview ...Instrument Panel Brightness ...Instrument Panel Fuse Block - 2003 GMC Sonoma | Owner's Manual - Page 423
33 Light Air Bag Off ...3-29 3-28 Air Bag Readiness ...Anti-Lock Brake System Warning ...3-33 Brake Warning System ...3-32 3-30 Charging System ...arning Check Gages ...3-39 LOW Fuel Warning ...3-40 Malfunction Indicator ...3-34 Safety Belt Reminder ...3-27 Security ...3-38 Service Four-Wheel-Drive - 2003 GMC Sonoma | Owner's Manual - Page 424
Front Axle (Four-wheel Drive) Inspection ...6-31 Using Your ...6-4 Your Vehicle and the Environment ...6-2 Maintenance When Trailer Towing ...4-62 Making Turns ...4-60 ...3-34 Malfunction Indicator Light ...Manual Lumbar Controls ...1-4 Manual Seats ...1-3 Manual Transmission ...2-21 Fluid ...5-25 - 2003 GMC Sonoma | Owner's Manual - Page 425
Replacement Parts ...5-103 P Park (P) Shifting Out of ...2-34 Parking Brake ...2-31 Over Things That Burn ...2-35 Parking Brake and Automatic Transmission ...1-31 One-Piece Composite Headlamp System ...5-55 Online Owner Center ...7-4 Operating Your All-Wheel-Drive Vehicle Off Paved Roads ...4-14 - 2003 GMC Sonoma | Owner's Manual - Page 426
Power Accessory Outlets ...3-17 Locks Door ...2-8 Electrical System ...5-95 Lumbar Controls ...1-5 Seat ...1-4 Steering Fluid ...5-41 Windows ...2-14 Power Steering ...4-9 Programmable Automatic Door Locks ...2-8 Q Questions and Answers About Safety Belts ...1-15 R Radiator Pressure Cap ...3-44.3- - 2003 GMC Sonoma | Owner's Manual - Page 427
Seat Position ...1-49 Security Light ...3-38 Selecting the Right Schedule,Maintenance ...6-5 Service ...5-3 Adding Equipment to the Outside ofYour Vehicle ...5-4 5-3 Doing Your Own Work ...3-34 Engine Soon Light ...Four-Wheel-Drive Warning Light ...3-38 Publications Ordering Information ...7-11 - 2003 GMC Sonoma | Owner's Manual - Page 428
Service Engine Soon Light in the United States or Check Engine Light in Canada ...3-34 Service Manuals ...7-11 Sewicing Your Air Bag-Equipped Vehicle ...1-64 Setting Preset PTYs ...3-66 Setting Preset Stations ...3.43. 3.53. 3.46. 3-63 Setting the Time RadioswithRadio Data Systems Front Drive Axle - 2003 GMC Sonoma | Owner's Manual - Page 429
Lock ...2-34 Total Weight on Your Vehicle's Tires ...4-58 14 Towing Recreational Vehicle ...Towing a Trailer ...YourVehicle ...Trailer Recommendations ...Trailer Brakes ...TransferCase ...Transfer Case and Front Axle (Four-wheel Drive) Inspection ...Transmission Fluid, Automatic ...Fluid, Manual - 2003 GMC Sonoma | Owner's Manual - Page 430
15 3-31 ... v Vehicle Control ...4-5 DamageWarnings ...iv Loading ...4-49 Parking Your ...2-34 Symbols ...iv Vehicle identification 5-94 Number(VIN) ...Service Parts Identification Label ...5-94 Vehicle Personalization 2-50 Memory Seat ...5-47 VehicleStorage ... Warning Lights. Gages and Indicators - 2003 GMC Sonoma | Owner's Manual - Page 431
...2-13 Manual ...2-13 Power ...2-14 Sliding Rear ...2-15 Swing-Out Windows ...2-15 5-90 Windshield and Wiper Blades ... Windshield Washer ...3-8 5-42 Fluid ...Windshield Washer Fluid Level Check ...6-25 Windshield Wiper Blade Replacement ...5-61 Fuses ...5-95 Windshield Wipers ...3-8 Winter Driving - 2003 GMC Sonoma | Owner's Manual - Page 432
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