2008 GMC Sierra 1500 Pickup Owner's Manual
2008 GMC Sierra 1500 Pickup Manual
2008 GMC Sierra 1500 Pickup manual content summary:
- 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 1
2008 GMC Sierra Denali Owner Manual Seats and Restraint Systems ...1-1 Front Seats ...1-2 Rear Seats ...1-9 Safety Belts ...1-10 Child Restraints ...1-31 Airbag System ...1-54 Restraint System Check ...1-70 Features and Controls ...2-1 Keys ...2-3 Doors and Locks ...2-10 Windows ...2-15 Theft- - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 2
GMC, the GMC Truck Emblem, and the names SIERRA and DENALI are registered trademarks of General Motors Corporation. This manual guide en français auprès de concessionnaire ou à l'adresse suivante: Helm Incorporated P.O. Box 07130 Detroit, MI 48207 1-800-551-4123 www.helminc.com Litho in U.S.A. Part - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 3
Not do this" or "Do Not let this happen." Index A good place to quickly locate information about the vehicle is the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found. Safety Warnings and Symbols There - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 4
the vehicle. Many times, this damage would not be covered by your vehicle's warranty, and it could be costly. The notice tells what to do to help avoid the damage. When you read other manuals, you might see CAUTION and NOTICE warnings in different colors or in different words. There are also warning - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 5
? ...1-62 Passenger Sensing System ...1-63 Servicing Your Airbag-Equipped Vehicle ...1-68 Adding Equipment to Your Airbag-Equipped Vehicle ...1-68 Restraint System Check ...1-70 Checking the Restraint Systems ...1-70 Replacing Restraint System Parts After a Crash ...1-71 Front Seats ...1-2 Power - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 6
located on the outboard side of the seats. To adjust the seat, do any of the following: • Move the seat forward or rearward by sliding the control forward or rearward. • Raise or lower the front part with power reclining seatbacks, the control is located behind the power seat control on the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 7
during long trips, so should the position of your lumbar support. Adjust the seat as needed. If the seats have power lumbar, the controls used to operate this feature are located on the outboard side of the seats. • To increase lumbar support, press and hold the front of the control. • To decrease - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 8
On vehicles with the memory package, the controls for this feature are located on the driver's door panel brake pedal feature if your vehicle has it. I (Heated Seatback): seatback. Press to turn on the heated J (Heated Seat and Seatback): Press to turn on the heated seat and seatback. The light - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 9
brake pedals to a comfortable position. See Outside Power Mirrors on page 2-39 and Adjustable Throttle and Brake , mirror, and throttle and brake pedal position can be programmed by and adjustable throttle and brake pedals will move to the after the obstruction is removed. Then try recalling the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 10
single beep sounds and the driver's seat moves back. If the easy exit seat feature is on in the Driver Information Center (DIC), automatic seat movement will occur when the key is removed from the ignition. See "EASY EXIT SEAT" under DIC Vehicle Customization (With DIC Buttons) on page 3-68 for more - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 11
{CAUTION: Sitting in a reclined position when your vehicle is in motion can be dangerous. Even if you buckle up, your safety belts cannot do their job when you are reclined like this. The shoulder belt cannot do its job. In a crash, you could go into it, receiving neck or other injuries. The lap - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 12
may have head restraints that also tilt forward and rearward. To tilt the head restraint, grasp the top of the restraint while pressing the button (B), located on the inboard side of the head restraint, and move it forward or rearward until the desired locking position is reached. Try to move the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 13
, or twisted will not provide the protection needed in a crash. The person wearing the belt could be seriously injured. After raising the rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted. 1-9 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 14
: Safety Belts: They Are for Everyone This part of the manual tells you how to use safety belts properly. crash, you might not be, if you are buckled up. Always fasten your safety belt, and check that your passenger(s) are restrained properly too. {CAUTION: It is extremely dangerous to ride in a - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 15
Work When you ride in or on anything, you go as fast as it goes. Take the simplest vehicle. Suppose it is just a seat on wheels. 1-11 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 16
Put someone on it. Get it up to speed. Then stop the vehicle. The rider does not stop. 1-12 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 17
The person keeps going until stopped by something. In a real vehicle, it could be the windshield... or the instrument panel... 1-13 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 18
bones take the forces. That is why safety belts make such good sense. work with safety belts - not instead of them. Whether or not an airbag is provided, all occupants still have to buckle up to get the most protection. That is true not only in frontal collisions, but especially in - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 19
, and I never drive far from home, why should I wear safety belts? How to Wear Safety Belts Properly This section is only for people of adult size. Be aware that there are special things to know about safety belts and children. And there are different rules for smaller children and babies. If - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 20
keep your feet on the floor in front of you. The lap part of the belt should be worn low and snug on the hips, just 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 shoulder belt locks if there is a - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 21
your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should fit snugly against your body. A: The shoulder belt is too loose. It will not give as much protection this way. 1-17 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 22
Q: What is wrong with this? {CAUTION: You can be seriously hurt if your lap belt is too loose. In a crash, you could slide under the lap belt and apply force on your abdomen. This could cause serious or even fatal injuries. The lap belt should be worn low and snug on the hips, just touching the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 23
Q: What is wrong with this? {CAUTION: You can be seriously injured if your belt is buckled in the wrong place like this. In a crash, the belt would go up over your abdomen. The belt forces would be there, not on the pelvic bones. This could cause serious internal injuries. Always buckle your belt - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 24
Q: What is wrong with this? {CAUTION: You can be seriously injured if your belt goes over an armrest like this. The belt would be much too high. In a crash, you can slide under the belt. The belt force would then be applied on the abdomen, not on the pelvic bones, and that could cause serious or - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 25
Q: What is wrong with this? {CAUTION: You can be seriously injured if you wear the shoulder belt under your arm. In a crash, your body would move too far forward, which would increase the chance of head and neck injury. Also, the belt would apply too much force to the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 26
wearing the lap-shoulder belt properly. In a crash, you would not be restrained by the shoulder belt. Your body could move too far forward increasing the chance of head and neck injury. You might also slide under the lap over the shoulder and across the chest. A: The belt is behind the body. 1-22 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 27
. If a belt is twisted, make it straight so it can work properly, or ask your dealer/retailer to fix it. A: The belt is twisted across the body. 1-23 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 28
Lap-Shoulder Belt All seating positions in your vehicle have a lap-shoulder belt except for the center front passenger position (if equipped), which has a lap belt. See Lap Belt on page 1-29 for more information. Here is how to wear a lap-shoulder - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 29
5. To make the lap part tight, pull up on the shoulder belt. It may be necessary to pull stitching on the safety belt through the latch plate to fully tighten - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 30
. Adjust the height so that the shoulder portion of the belt is centered on your shoulder. The belt should be away from your face and system. See Replacing Restraint System Parts After a Crash on page 1-71. You can move the adjuster up just by pushing up on the shoulder belt guide. After you - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 31
positions the belt away from the neck and head. There is one guide for each outboard passenger position in the rear seat. Here is how to install a comfort guide to the shoulder belt: 1. Remove the guide from its storage clip on the interior body. 3. Be sure that the belt is not twisted and it lies - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 32
and across the chest. These parts of the body are best able to take belt restraining forces. 4. Buckle, position, and release the safety belt as described previously in this section. Make sure that the shoulder belt crosses the shoulder. To remove and store the comfort guide, squeeze the belt edges - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 33
to be seriously injured if they do not wear safety belts. Lap Belt This part is only for the lap belt. To learn how to wear a lap- Lap-Shoulder Belt on page 1-24. You vehicle may have a center seating position. When you sit in the center front seating position, you have a lap safety belt, which has - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 34
designed for adults. Never use it for securing child seats. To wear it, attach it to the regular safety belt. For more information, see the instruction sheet that comes with the extender. To make the belt shorter, pull its free end as shown until the belt is snug. If the belt - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 35
Child Restraints Older Children The manufacturer's instructions that come with the booster seat, state shoulder? If yes, continue. If no, try using the rear safety belt comfort guide. See "Rear Safety Belt Comfort Guides" under Lap-Shoulder Belt on page 1-24 for more information. If the shoulder - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 36
should never be worn over the abdomen, which could cause severe or even fatal internal injuries in a crash. Also see "Rear Safety Belt Comfort Guides" under Lap-Shoulder Belt on page 1-24. According to accident statistics, children and infants are safer when properly restrained in the rear seating - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 37
{CAUTION: Never do this. Here a child is sitting in a seat that has a lap-shoulder belt, but the shoulder part is behind the child. In a crash, the child would not be restrained by the shoulder belt. The child might slide under the lap belt. The - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 38
Infants and Young Children Everyone in a vehicle needs protection! 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, the law in every state in the United States and in - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 39
CAUTION: (Continued) but not for young children and infants. Neither the vehicle's safety belt system nor its airbag system is designed for them. Young children and infants need the protection that a child restraint system can provide. {CAUTION: Children who are up against, or - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 40
including support for the head and neck. This is necessary because a newborn infant's neck is weak and its head weighs so much compared with the rest of its body. In a crash, an infant in a rear-facing seat settles into the restraint, so the crash forces can be distributed across the strongest part - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 41
low on the hip bones, as it should. Instead, it may settle up around the child's abdomen. In a crash, the belt would apply force on a body area that is unprotected by any bony structure. This alone could cause serious or fatal injuries. Young children should always be secured in appropriate child - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 42
A forward-facing child seat (B) provides restraint for the child's body with the harness. A booster seat (C-D) is a child restraint designed to improve the fit of the vehicle's safety belt system. A booster seat can also help a child to see out the window. 1-38 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 43
Securing an Add-On Child Restraint in the Vehicle manual. The child restraint instructions are important, so if they are not available, obtain a replacement copy from the manufacturer. Keep in mind that an unsecured child restraint can move around in a collision or sudden stop and injure people in - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 44
under some unusual circumstance, even though it is turned off. We recommend that rear-facing child restraints be secured in a rear seat, even if the airbag is off. If you secure a forward-facing child restraint in the right front seat, always move the front passenger seat as far back as it - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 45
restraints in the center front seat position. When securing a child restraint in a rear seating position, study the instructions that came with your the restraint, following the instructions that came with that restraint, and also the instructions in this manual. When installing a child restraint - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 46
Lower Anchors Top Tether Anchor Lower anchors (A) are metal bars built into the vehicle. There are two lower anchors for each LATCH seating position that will accommodate a child restraint with lower attachments (B). A top tether (A, C) anchors the top of the child restraint to the vehicle. A top - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 47
tether, and that the tether be attached. Be sure to read and follow the instructions for your child restraint. If the child restraint does not have a top tether, not a kit is available. Lower Anchor and Top Tether Anchor Locations Rear Seat i (Top Tether Anchor): Seating positions with top tether - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 48
or local law requires that the top tether be attached, or if the instructions that come with the child restraint say that the top tether must be a Child Restraint Designed for the LATCH System Crew Cab Shown The top tether anchors are the loops located near the top of the seatback for each - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 49
only one child restraint, except the center top tether anchor in crew cab models. Attaching more than one child instructions of the child restraint manufacturer. Notice: Contact between the child restraint LATCH attachment parts and the vehicle's safety belt assembly may cause damage to these parts - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 50
secured may cause damage to the safety belt or the seat. When removing the child restraint, always remember to return the safety belts to the safety belts. Refer to your child restraint manufacturer instructions and the instructions in this manual. 1.1. Find the lower anchors for the desired seating - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 51
head restraint post. H. Attach the top tether (B) to the top tether anchor (loop) (D) at the center rear seating position. 2.4. Tighten the top tether when and as the child restraint manufacturer's instructions say. When the top tether is tightened, the anchor (loop) may bend. 3. Push and pull the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 52
Anchors and Tethers for Children (LATCH) on page 1-41 for top tether anchor locations. Do not secure a child restraint in a position without a top tether anchor local law requires that the top tether be anchored, or if the instructions that come with the child restraint say that the top strap must be - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 53
4. Push the latch plate into the buckle until it clicks. Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly if necessary. 5. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 1-49 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 54
is because the risk to the rear-facing child is so great, if the airbag deploys. 6. To tighten the belt, push down on the child restraint, pull the child restraint in different directions to be sure it is secure. To remove the child restraint, unbuckle the vehicle's safety belt and let it go back - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 55
Children (LATCH) on page 1-41 for top tether anchor locations. Do not secure a child seat in a position child restraint in this position. Follow the instructions that came with the child restraint. 1. Move airbag, the off indicator on the passenger airbag status indicator should light and stay - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 56
. 3. Pick up the latch plate, and run the lap and shoulder portions of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 5. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 4. Push the latch - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 57
off indicator in the passenger airbag status indicator will come on and stay on when the vehicle is started. If the on indicator is still lit, secure the child in the child restraint in a rear seat position in the vehicle and check with your dealer/retailer. To remove the child restraint, unbuckle - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 58
or on an attached label near the deployment opening. For frontal airbags, the word AIRBAG will appear on the middle part of the steering wheel for the driver and on the instrument panel for the right front passenger. With roof-rail airbags, the word AIRBAG will appear along the headliner or trim - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 59
to severe frontal and near frontal crashes. They are not designed to inflate in rollover, rear crashes, or in many side crashes. Rollover capable roof-rail airbags are designed to inflate in moderate to severe crashes where something hits the side of your vehicle, during a vehicle rollover, or in - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 60
on page 1-34. There is an airbag readiness light on the instrument panel cluster, which shows the airbag symbol. The system checks the airbag electrical system for malfunctions. The light tells you if there is an electrical problem. See Airbag Readiness Light on page 3-37 for more information - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 61
Where Are the Airbags? The right front passenger's frontal airbag is in the instrument panel on the passenger's side. The driver's frontal airbag is in the middle of the steering wheel. 1-57 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 62
be kept clear. Do not put anything between an occupant and an airbag, and do not attach or put anything on the steering wheel hub or on or near any other airbag covering. If your vehicle has roof-rail airbags, never secure anything to the roof of your vehicle by routing the rope or tie down - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 63
ate at a different crash speed than if the vehicle hits a wide object (like a wall). • If the vehicle goes into an object at an angle, the airbags could inflate at a different crash speed than if the vehicle goes straight into the object. Thresholds can also vary with specific vehicle design. Frontal - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 64
is determined by what the vehicle hits, the angle of the impact, and how quickly the vehicle slows down. For roof-rail airbags, deployment is determined by the location and severity of the side impact. In a rollover event, roof-rail airbag deployment is determined by the direction of the roll. 1-60 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 65
the bag to break out of the cover and deploy. The inflator, the airbag, and related hardware are all part of the airbag module. Frontal airbag modules are located inside the steering wheel and instrument panel. For vehicles with roof-rail airbags, there are airbag modules in the ceiling of the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 66
vehicle, nor does it prevent people from leaving the vehicle. {CAUTION: When an airbag inflates, there may be dust in the air. This dust could cause breathing problems for people with a history of asthma or other breathing trouble. To avoid this, everyone in the vehicle should get out as soon as it - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 67
new system will include airbag modules and possibly other parts. The service manual for your vehicle covers the need to replace other parts. • Your vehicle the symbol for on and off, will be visible during the system check. When the system check is complete, either the word ON or the word OFF, or - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 68
The passenger sensing system works with sensors that are part of the right front passenger's seat and safety belt. The sensors are designed to detect the presence of a properly-seated occupant and determine if the right front passenger's frontal airbag should be enabled (may inflate) or not. Accident - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 69
inflate) the right front passenger's frontal airbag anytime the system senses that a person of adult size is sitting properly in the right front passenger's seat. When the passenger sensing system has allowed the airbag to be enabled, the on indicator will light and stay lit to remind you that the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 70
the right front passenger's frontal airbag, depending upon the person's seating posture and body build. Everyone in your vehicle who has outgrown child restraints should wear a safety belt properly - whether or not there is an airbag for that person. If a person of adult-size is sitting in the right - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 71
that something may be wrong with the airbag system. If this ever happens, have the vehicle serviced promptly, because an adult-size person sitting in the right front passenger's seat may not have the protection of the airbag(s). See Airbag Readiness Light on page 3-37 for more on this, including - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 72
from working properly. Changing or moving any parts of the front seats, safety belts, the airbag sensing and diagnostic module, steering wheel, instrument panel, roof-rail airbag modules, ceiling headliner or pillar garnish trim, overhead console, front sensors, side impact sensors, rollover sensor - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 73
are in Step Two of the Customer Satisfaction Procedure in this manual. See Customer Satisfaction Procedure on page 7-2. If your vehicle has rollover roof-rail airbags, see Different Size Tires and Wheels on page 5-76 for additional important information. Q: Because I have a disability, I have - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 74
Light on page 3-37 for more information. Notice: If an airbag covering is damaged, opened, or broken, the airbag may not work properly. Do not open or break the airbag coverings. If there are any opened or broken airbag covers, have the airbag covering and/or airbag module replaced. For the location - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 75
the time of the crash. If an airbag inflates, you will need to replace airbag system parts. See the part on the airbag system earlier in this section. Have your safety belt pretensioners checked if your vehicle has been in a crash, if your airbag readiness light stays on after you start your vehicle - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 76
✍ NOTES 1-72 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 77
Accessory Power (RAP) ...2-23 Starting the Engine ...2-24 Adjustable Throttle and Brake Pedal ...2-25 Engine Brake ...2-32 Shifting Into PARK (P) ...2-33 Shifting Out of PARK (P) ...2-34 Parking Over Things That Burn ...2-35 Engine Exhaust ...2-35 Running the Engine ...2-15 Manual Windows ...2-15 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 78
Section 2 Features and Controls Storage Areas ...2-56 Glove Box ...2-56 Cupholder(s) ...2-56 Instrument Panel Storage ...2-56 Center Console Storage ...2-57 Rear Seat Armrest ...2-57 Cargo Management System ...2-57 Sunroof ...2-58 OnStar® System ...2-45 Universal Home Remote System ...2-49 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 79
Keys {CAUTION: Leaving children in a vehicle with the ignition key is dangerous for many reasons, children or others could be badly injured or even killed. They could operate the power windows or other controls or even make the vehicle move. The windows will function with the keys in the ignition - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 80
Check the location. Other vehicles or objects may be blocking the signal. Take a few steps to the left or right, hold the transmitter higher, and try again. • Check to determine if battery replacement is necessary. See "Battery Replacement" later in this section. • If you are still having trouble - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 81
Entry (RKE) System on page 2-4. With Remote Start (Without Remote Start Similar) / (Remote Vehicle Start): If your vehicle has this feature, press / to start the engine from outside the vehicle using the RKE transmitter. See Remote Vehicle Start on page 2-8 for additional information. 2-5 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 82
Information Center (DIC (Vehicle Locator/Panic Alarm): Press and release L to locate your vehicle or stolen, a replacement can be purchased through Stem) on page 3-58 for instructions on how to match RKE transmitters lights will turn on briefly if it is dark enough outside. See "APPROACH LIGHTING - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 83
the circuitry. Static from your body transferred to these surfaces may damage the transmitter. To replace the battery in the RKE transmitter: 1. Separate the halves of the transmitter with a flat, thin object inserted into the notch on the side. 2. Remove the old battery. Do not use a metal object - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 84
engine from outside of the vehicle. It may also start up the vehicle's heating or air remote start, you will need to manually turn the heated seats on and vehicle in view when doing so. Check local regulations for any requirements on signal lights flash. If you cannot see the vehicle's lights, press - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 85
the key is removed from the ignition, the vehicle can be remote started again. The vehicle cannot be remote started if the key is in the ignition, the hood is not closed, or if there is an emission control system malfunction and the check engine light comes on. Also, the engine will turn off during - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 86
Remote Start Ready If your vehicle does not have the remote vehicle start feature, it may have the remote start ready feature. This feature allows your dealer/retailer to add the manufacturer's remote vehicle start feature. If your vehicle has the remote start ready feature, the RKE transmitter will - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 87
manual door locks. To lock or unlock the door with the manual locks, push down or pull up on the manual lock switches are located on the front doors Center (DIC). See DIC Vehicle Customization (With DIC Buttons) on page 3-68 for more information on DIC programming. Press to unlock the doors. Remove - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 88
opening the rear doors from the inside. The rear door security locks are located on the inside edge of each rear door. To set the locks, do is on, do the following: 1. Unlock the door by lifting the rear door manual lock, using the power door lock switch, or the Remote Keyless Entry (RKE) - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 89
Lockout Protection This feature protects you from locking the key in the vehicle when the key is in the ignition and a front door is open. If the driver's side power door lock switch is pressed when the driver's door is open and the key is in the ignition, all of the doors will lock and then the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 90
tailgate from the lower pivot. On vehicles with the tailgate assist feature, raise the tailgate nearly all the way to the closed position prior to removing the left edge. 3. Move the tailgate to the right to release the left edge. Reverse this procedure to reinstall the tailgate. Make sure the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 91
even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. Manual Windows Turn the hand crank on each door to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 92
windows, the controls are located on each of the side doors in the front and rear for crew cab and extended cab models. The driver's door has a switch for the passenger's and rear windows as well. Your power windows will work when the ignition has been turned to ACCESSORY or RUN or when Retained - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 93
to ACC/ACCESSORY, ON/RUN, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-23 for more information. The power sliding rear window cannot be operated manually. Sliding Rear Window If your vehicle has this feature, squeeze the latch in the center of - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 94
Visors Pull the sun visor down to block glare. Swing the sun visor to the side to cover the side window. The passenger's side sun visor may have a vanity mirror. This is the security light. Theft-Deterrent Systems Vehicle theft is big business, especially in some cities. Although your vehicle has - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 95
should but the headlamps flash, check to see if the horn works. The horn fuse may be blown. To replace the fuse, see Fuses and Circuit Breakers on page 5-108. If the alarm does not sound or the headlamps do not flash, see your dealer/retailer for service. • If you do not want - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 96
with Part 15 authorized service facility removed from the ignition. The system is automatically disarmed when the key is turned to ON/RUN, ACC/ACCESSORY or START from the LOCK/OFF position. You do not have to manually arm or disarm the system. The security light will come on if there is a problem - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 97
dealer/retailer for service. 3. After the engine has started, turn the key to LOCK/OFF, and remove the key. 4. Insert the new key to be programmed and turn it to the ON/RUN position within five seconds of turning the ignition to the LOCK/OFF position in Step 3. The security light will turn off - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 98
with new linings can mean premature wear and earlier replacement. Follow this breaking-in guideline every time you get new brake linings. In order to shift out of PARK (P), ignition must be in the ON/RUN or ACC/ACCESSORY and the regular brake pedal must be applied. A (LOCK/OFF): This position locks - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 99
your vehicle needs service. B (ACC/ACCESSORY): This position lets things like the radio and the windshield wipers operate while the engine is off. Lengthy operation of features such as the radio in the ACC/ACCESSORY ignition position and the ON/RUN position may drain the battery and prevent your - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 100
by turning the ignition switch to the ACC/ACCESSORY or LOCK/OFF position. Notice: Cranking the engine for long periods of time, by returning the key to the START position immediately after cranking has ended, can overheat and damage the cranking motor, and drain the battery. Wait at least 15 seconds - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 101
vehicle. If you add electrical parts or accessories, you could change the way the engine operates. Before adding electrical equipment, check with your dealer/retailer. If you do not, your engine might not perform properly. Any resulting damage would not be covered by your vehicle's warranty. The - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 102
cord as it was before to keep it away from moving engine parts. If you do not, it could be damaged. How long should you keep the coolant heater plugged in? The answer depends on the outside temperature, the kind of oil you have, and some other things. Instead of trying to list - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 103
brake firmly set. Your vehicle can roll. Do not leave your vehicle when the engine is running unless you have to. If you have left the engine transmission. The repairs would not be covered by your warranty. Shift to REVERSE rear wheels. It is the best position to use when you start your engine because - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 104
or Snow on page 4-32. NEUTRAL (N): In this position, your engine does not connect with the wheels. To restart when you are already moving, use NEUTRAL (N) only a drive gear while the engine is running at high speed is dangerous. Unless your foot is firmly on the brake pedal, your vehicle could move - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 105
MANUAL be covered by your warranty. If you are stuck, do not spin the tires. When stopping on a hill, use the brakes to determine, before making an upshift, if the engine will be able to maintain vehicle speed by conditions stored in the transmissions computer. The transmission constantly makes - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 106
shifted by the vehicle, but SIXTH (6) cannot be used until the plus/minus button located on the steering column lever is used to change to the gear. The Range Selection Mode controls the vehicle and engine speed while driving down a hill or towing a trailer, by allowing you to select a desired - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 107
Mode Light on page 3-50 for more information. Also see "Tow Haul Mode" under Towing a Trailer on page 4-41 for more information. Grade Braking Grade Braking assists when driving on a downhill grade. It maintains the vehicle's speed by automatically using a shift schedule that lets the engine and - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 108
when the parking brake is released, the brake system warning light goes off. Notice: Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake system parts. Make sure that the parking brake is fully released and the brake warning light is off before - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 109
PARK (P) with the parking brake firmly set. Your vehicle can roll. If you have left the engine running, the vehicle can brake. 2. Move the shift lever into the PARK (P) position by pulling the shift lever toward you and moving it up as far as it will go. 3. Turn the ignition key to LOCK/OFF. 4. Remove - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 110
lock release is designed to: • Prevent ignition key removal unless the shift lever is in PARK (P) with the shift lever button fully released, and • Prevent movement of the shift lever out of PARK (P), unless the ignition is in ON/RUN or ACC/ ACCESSORY and the regular brake pedal is applied. 2-34 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 111
Parking Over Things That Burn Engine Exhaust {CAUTION: Things that can burn could touch hot exhaust parts under your vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. {CAUTION: Engine exhaust can kill. It contains the gas carbon monoxide (CO), which - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 112
vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. Do not leave your vehicle when the engine is running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 113
is turned on automatically each time the ignition is started. To operate the automatic dimming mirror, do the following: 1. Make sure the green indicator light, located to the left of the on/off button, is lit. If it's not, press and hold the on/off button for approximately six seconds until - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 114
If not adjusted to account for compass variance, your compass could give false readings. To adjust for compass variance do the following: 1. Find your current location and variance zone number on the following zone map. 2. Press and hold the on/off button until a Z and a zone number appears in the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 115
with the compass. Such interference may be caused by a magnetic antenna mount, magnetic note pad holder or a similar magnetic item. • direction. • Press (A) to select the driver's side mirror. Then press the arrows located on the four-way control pad to adjust the mirror. Press (A) again to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 116
can be manually folded inward the right lane, you could hit a vehicle on your right. Check your inside mirror or glance over your shoulder before changing lanes. Heated Mirrors The button to turn the heated mirrors on or off is located on the climate control panel. Press this button to warm the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 117
mirrors, the controls are located on the driver's door armrest. If the mirrors are accidentally folded/unfolded manually, they may shake or . • Press (B) to select the passenger's side mirror. Then press the arrows located on the four-way control pad to adjust the mirror. Press (B) again to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 118
package be turned on or off through the Driver Information Center (DIC). See DIC Vehicle Customization (With DIC you could hit a vehicle on your right. Check your inside mirror or glance over your shoulder turn the heated mirrors on or off is located on the climate control panel. Press this button - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 119
does not replace driver vision. It cannot detect: • objects that are below the bumper, underneath the vehicle, or if they are too close or far from the vehicle • children, pedestrians, bicyclists, or pets. CAUTION: (Continued) If your vehicle has the display, there are three color-coded lights to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 120
level. Objects must also be within 8 feet (2.5 m) from your rear bumper. This distance may be less during warmer or humid weather. A single can be disabled by pressing the rear park aid disable button located next to the radio. The indicator light will come on to indicate that URPA is off. Notice: - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 121
out of your tailgate during your last drive cycle, the red light may illuminate in the rear display. Once the attached object is removed, URPA will return to normal operation. • A tow bar is attached to your vehicle. • The vehicle's bumper is damaged. Take the vehicle to your dealer/retailer to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 122
check if your vehicle is equipped to provide the services described below, or for a full description of OnStar services and system limitations, see the OnStar Owner's Guide in your glove box or visit onstar.com. Available Services with Safe & Sound Plan • Automatic Notification of Airbag Deployment - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 123
service plan in Canada, depending on eligibility. To find out more, refer to the OnStar Owner's Guide in the vehicle's glove box, visit www.onstar.com or www.onstar.ca, or speak with an OnStar advisor by pressing the OnStar button or calling 1-888-4-ONSTAR (1-888-466-7827). OnStar Steering Wheel - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 124
power) for the OnStar equipment to operate. There are other problems OnStar cannot control that may prevent OnStar from providing OnStar service to you at any particular time or place. Some examples are damage to important parts of your vehicle in an accident, hills, tall buildings, tunnels, weather - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 125
or modifications to this system by other than an authorized service facility could void authorization to use this equipment. Universal Home Remote Light Emitting Diode (LED) indicator lights above the Universal Home Remote buttons, follow the instructions below. This system provides a way to replace - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 126
Be sure to keep the original remote control transmitter for use in other vehicles, as well as, for future programming. You only need the original remote control transmitter for Fixed Code programming. It is also recommended that upon the sale or lease termination of the vehicle, the programmed - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 127
garage door moves. The indicator light, above the selected button, should instructions that follow for a Fixed Code garage door opener. 2. Locate in the garage, the garage door opener receiver (motor-head unit). Locate the "Learn" or "Smart" button. It can usually be found where the hanging antenna - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 128
and you will have to repeat the procedure. To program up to three devices: 1. To verify if you have a Fixed Code garage door opener, remove the battery cover on your hand held transmitter supplied by the manufacturer of your garage door opener motor. If you see a row of dip switches similar to the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 129
Your garage door opener receiver (motor head unit) may also have a row of dip switches that can be used when programming the Universal Home Remote. If the total number of switches on the motor head and hand held transmitter are different, or if the dip switch settings are different, use the dip - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 130
three buttons at the same time for about three seconds. Release the buttons to put the Universal Home Remote into programming mode. 4. The indicator lights will blink slowly. Enter each switch setting from Step 2 into your vehicle's Universal Home Remote. You will have two and one-half minutes to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 131
can reprogram any of the three buttons by repeating the instructions. Erasing Universal Home Remote Buttons You should erase the 20 seconds, until the indicator lights, located directly above the buttons, begin to blink rapidly. 2. Once the indicator lights begin to blink, release both buttons - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 132
the lever. Instrument Panel Storage Your vehicle may have an instrument panel storage area. It is located above the glove box. Cupholder(s) Your vehicle may have cupholders located on and behind the center console and in the rear seat armrest. Pull the loop down on the rear seat armrest to access - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 133
may have an upper and lower center console storage area with cupholders. Cargo Management System Your vehicle may have a cargo management system. It is located in the bed of the truck. The system contains three rails located on the front and sides of the bed. The system will include four adjustable - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 134
the corner cap, pull either edge away from the rail. To remove the system, loosen the toggle bolts on each rail until they can be removed from the bed of the truck. To replace the system, place the toggle bolts and rails into their original locations and tighten them to a torque setting of 12.5 ft - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 135
from closing at the point of the obstruction. The sunroof will then open halfway, and the air deflector will raise. To close the sunroof once it has re-opened, refer to the Express-Close or Manual-Close functions described previously. If the sunroof is in the vent position, and there is - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 136
✍ NOTES 2-60 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 137
Belt Reminders ...3-36 Airbag Readiness Light ...3-37 Passenger Airbag Status Indicator ...3-38 Charging System Light ...3-40 Voltmeter Gage ...3-40 Brake System Warning Light ...3-41 Antilock Brake System Warning Light ...3-42 StabiliTrak® Indicator Light ...3-43 Engine Coolant Temperature Gage - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 138
Feature ...3-120 Audio Steering Wheel Controls ...3-120 Radio Reception ...3-121 Fixed Mast Antenna ...3-122 XM™ Satellite Radio Antenna System ...3-122 Tire Pressure Light ...3-44 Malfunction Indicator Lamp ...3-44 Oil Pressure Gage ...3-48 Oil Pressure Light ...3-49 Security Light ...3-49 Fog - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 139
✍ NOTES 3-3 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 140
Instrument Panel Overview United States version shown; Canada similar 3-4 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 141
See Parking Brake on page 2-32. O. Tilt Wheel Lever. See Tilt Wheel on page 3-6. P. Horn. See Horn on page 3-6. Q. Audio Steering Wheel Controls. See Audio Steering Wheel Controls on page 3-120. R. Climate Controls. See Climate Control System (With Air Conditioning ) on page 3-22 or Climate Control - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 142
. They also let police know you have a problem. The hazard warning flasher button is located on top of the steering column. Other Warning vehicle. Horn To sound the horn, press the horn symbols located on the steering wheel. Tilt Wheel Press the button to make the front and rear turn signal lamps - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 143
the left side of the steering column includes the following: The tilt steering wheel lever is located on the lower left side of the steering column. To tilt the wheel, hold the steering wheel and pull the lever. Then move the steering wheel to a comfortable position and release the lever to lock the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 144
TURN SIGNAL ON also appears in the Driver Information Center (DIC). Move the turn signal lever to the off burned out and other drivers will not see the turn signal. If a bulb is burned out, replace it to help avoid an accident. If the arrows do not come on when you signal a turn, check for burned - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 145
install new blades or blade inserts. For more information, see Windshield Wiper Blade Replacement on page 5-57. Turn the band to adjust the delay time. The delay band is moved to the top of the lever. This can be very useful in light rain or snow. Turn the band away from you to the first solid band - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 146
snow, tree sap, or bugs from your windshield. The button is located in the switchbank under the climate controls. {CAUTION: In freezing weather, button to activate the heated windshield washer fluid system. The indicator light will flash. This activation initiates four heated wash/wipe cycles. The - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 147
Cruise Control When you apply your brakes, cruise control is turned off. If your vehicle has the StabiliTrak® system and begins to limit wheel spin while you are using cruise control, the cruise control will automatically disengage. See StabiliTrak® System on page 4-5. When road conditions allow - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 148
The cruise control buttons are located on left side of the steering wheel. Setting Cruise Control Cruise control will not work if the parking brake is set, or if the master cylinder brake fluid level is low. The cruise control light on the instrument panel cluster will come on after the cruise - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 149
brakes while the cruise control is set, the cruise control is disengaged. But it does not need to be reset. Once the vehicle speed reaches about 25 mph (40 km/h) or more, press the +RES button on the steering wheel , press the SET- button on the steering wheel briefly. Each time this is done, the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 150
trouble and do not use cruise control on steep hills. Exterior Lamps The exterior lamps control is located on the instrument panel to the left of the steering wheel. It controls the following systems: Ending Cruise Control There are three ways to end cruise control: • Step lightly on the brake - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 151
Center (DIC) on page 3-52. Turn the control to this position to turn on the parking lamps together with the following: • Instrument Panel Lights turning off to prevent the battery from being drained. Turn manually turned on and the ignition is off, in LOCK, ACCESSORY, or a door is open. Turn the light - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 152
, before the automatic headlamp system can be turned off. The vehicle has a light sensor located on the top of the instrument panel in the defroster grille that regulates when the automatic headlamps turn on. Be sure it is not covered, or the headlamps will come on whenever the ignition is on. The - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 153
This feature can be programmed using the Driver Information Center (DIC). See DIC Vehicle Customization (With DIC or misty conditions. The fog lamp button is located on the left side of the instrument panel. turn them off. An indicator light in the button comes on when the fog lamps engine is started. - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 154
turning the instrument panel brightness knob, located next to the exterior lamps control, clockwise to the farthest position. In this position, the dome lamps remain on whether a door is opened or closed. Exit Lighting The interior lamps come on when the key is removed from the ignition. They turn - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 155
plugged into accessory power outlets. Cargo Lamp The cargo lamps come on by turning the instrument panel brightness control knob to the farthest clockwise position. This knob is located on the instrument panel and also turns on the dome lamps. The cargo lamp can be used if more light is needed - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 156
console door. See Center Console Storage on page 2-57 for more information. To use an accessory power outlet, remove the protective cap. When not in use, always cover the accessory power outlet with the protective cap. Notice: If electrical devices are left plugged into a power outlet, the battery - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 157
can cause damage not covered by your warranty. Do not hang any type of accessory or accessory bracket from the plug because the power outlets are designed for accessory power plugs only. Ashtray(s) and Cigarette Lighter Your vehicle may have a front ashtray located near the center of the instrument - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 158
system off. Temperature Control: Turn the center knob clockwise or counterclockwise to increase or decrease the temperature inside the vehicle. 3-22 : (Outside Air): Press this button to turn the outside air mode on. When the button is pressed, an indicator light will come on. When this mode is - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 159
this button is pressed, an indicator light on the button will come on to let you know the air conditioning is activated. The air conditioning can be selected in any mode as long as the fan switch is on. The air conditioning system removes moisture from the air, so you may sometimes notice a small - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 160
remove indicator light on the ACC or LOCK. The defogger can also be turned off by pressing the button again or by turning off the engine . Notice: Do not use anything sharp on the inside of the rear window. If you do, you could cut or damage the warming grid, and the repairs would not be covered - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 161
Temperature Control: Turn the center knob clockwise or counterclockwise to increase or decrease warm the passengers. The air is directed to the windshield, floor outlets, and side window vents. This mode removes fog or frost from the windshield more quickly. A portion of the air is directed to the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 162
the driver or passenger's side of the vehicle. The temperature can be adjusted even if the system is turned off. This is possible since outside air always flows through the system as the vehicle is moving forward unless it is set to recirculation mode. See "Recirculation" later in this section. Press - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 163
maximum setting will not cause the vehicle to heat or cool any faster. Be careful not to cover the solar sensor located on the top of the instrument panel near the windshield. This sensor regulates air temperature based on sun load. For more information on the solar sensor, see "Sensors" later in - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 164
on until warm air is available. The length of delay depends on the engine coolant temperature. manual control. The fan setting remains displayed and the AUTO light turns off. The air delivery mode remains under automatic control. HG (Mode): Press H and G to manually change the direction of the air - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 165
Air is directed partly to the instrument panel outlets and to the floor outlets. A little air is directed towards the windshield and side window outlets. Cooler air is directed to the upper outlets and warmer air to the floor outlets. Air light flashes three times and then turns off. The air - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 166
system removes moisture from the air, so a small amount of water might drip underneath the vehicle while idling or after turning off the engine. This is normal. Sensors The solar sensor, located in the defrost grille, in the middle of the instrument panel, monitors the solar radiation. Do not cover - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 167
located behind the front grille. This sensor reads the outside air temperature and helps maintain the temperature inside the vehicle. Any cover Defrost): Press this button to remove fog or frost from the windshield more quickly. This mode directs a portion of the air to the windshield and side window - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 168
remove fog from the rear window. Outlet Adjustment Use the air outlets located in the center and on the side of the instrument panel to direct the air covered air inside of the vehicle more effectively. • Use of non-GM approved hood deflectors can adversely affect the performance of the system. Check - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 169
locate them. Warning lights and gages can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gages could also save you or others from injury. Warning lights come on when there may be or is a problem - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 170
Instrument Panel Cluster Your instrument panel cluster is designed to let you know at a glance how your vehicle is running. You will know how fast you are going, about how much fuel you have and many other things you'll need to know to drive safely and economically. United States version shown, - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 171
per minute (rpm). See "Grade Braking (Allison Transmission®)" under Tow/Haul Mode on page 2-31 for more information. Notice: If you operate the engine with the tachometer in the solid red area, your vehicle could be damaged. The damages would not be covered by your warranty. Do not operate - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 172
seconds after the engine is started, a chime will sound for several seconds to remind the front passenger to buckle their safety belt. This would only occur if the passenger airbag is enabled. See Passenger Sensing System on page 1-63 for more information. The passenger safety belt light will also - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 173
your vehicle serviced right away if the airbag readiness light stays on after you start your vehicle. The airbag readiness light should flash for a few seconds when you start the engine. If the light does not come on then, have it fixed immediately. If there is a problem with the airbag system, an - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 174
on. United States Canada When you start the vehicle, the passenger airbag status indicator will light ON and OFF, or the symbol for on and off, for several seconds as a system check. Then, after several more seconds, the status indicator will light either ON or OFF, or either the on or off symbol - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 175
that something may be wrong with the airbag system. If this ever happens, have the vehicle serviced promptly, because an adult-size person sitting in the right front passenger's seat may not have the protection of the airbag(s). See Airbag Readiness Light on page 3-37 for more on this, including - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 176
with a generator drive belt, or another electrical problem. Have it checked right away. 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. When the engine is running, the gage shows the condition of the charging - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 177
If you must drive, turn off all unnecessary accessories. Readings in either warning zone indicate a possible problem in the electrical system. Have the vehicle serviced as soon as possible. Brake System Warning Light With the ignition on, the brake system warning light will come on when you set the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 178
needs service. If the regular brake system warning light is not on, you still have brakes, but you do not have antilock brakes. If the regular brake system warning light is also on, you do not have antilock brakes and there is a problem with your regular brakes. See Brake System Warning Light on - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 179
comes on when you are driving, there may be a problem with your StabiliTrak® system and your vehicle may need service. When this warning light is on, the system is off and will not limit wheel spin. Adjust your driving accordingly. This light will also flash when the StabiliTrak system is active. If - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 180
a cleaner environment. The check engine light comes on to indicate that there is an OBD II problem and service is required. This light will also come on when one or more of your tires are significantly underinflated. A tire pressure message in the Driver Information Center (DIC), may accompany the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 181
covered by your warranty. This could also result in a failure to pass a required Emission Inspection/Maintenance test. See Accessories and Modifications on page 5-3. This light comes on, as a check to show it is working, when the ignition is turned ON/RUN but the engine is not running. If the light - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 182
place to park the vehicle. Turn the ignition off, wait at least 10 seconds, and restart the engine. If the light remains on steady, see "If the Light Is On Steady" following. If the light is still flashing, follow the previous steps and see your dealer/retailer for service as soon as possible. 3-46 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 183
pass an inspection: Your vehicle will not pass this inspection if the check engine light is on or not working properly. Your vehicle will not pass this inspection inspection. This can happen if you have recently replaced the battery or if the battery has run down. The diagnostic system is designed - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 184
could be burned. Check your oil as soon as possible and have your vehicle serviced. Notice: Lack of proper engine oil maintenance may damage the engine. The repairs would not be covered by your warranty. Always follow the maintenance schedule in this manual for changing engine oil. United States - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 185
could be burned. Check your oil as soon as possible and have your vehicle serviced. Notice: Lack of proper engine oil maintenance may damage the engine. The repairs would not be covered by your warranty. Always follow the maintenance schedule in this manual for changing engine oil. This light will - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 186
High/Low-Beam Changer on page 3-8 for more information. Cruise Control Light This light comes on whenever you set the cruise control. Tow/Haul Mode Light This light comes on when the Tow/Haul mode has been activated. The light goes out when the cruise control is turned off. See Cruise Control - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 187
Fuel Gage Here are some situations you may experience with your fuel gage. None of these indicate a problem with the fuel gage. • At the gas station, the fuel pump shuts off before the gage reads full. • It takes a little more or less fuel - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 188
has different displays which can be accessed by pressing the DIC buttons located on the instrument panel, next to the steering wheel. The DIC displays trip, fuel, and vehicle system information, and warning messages if a system problem is detected. The DIC also allows some features to be customized - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 189
also display the odometer. To switch between English and metric measurements, see "Units" later in this section. T (Vehicle Information): Press this button to display the oil life, units, tire pressure readings, engine hours, and Remote Keyless Entry (RKE) transmitter programming. 3-53 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 190
Trip Odometer Press the trip/fuel button until TRIP displays. This display shows the current distance traveled in either miles (mi) or kilometers (km) since the last reset for the trip odometer. Pressing the trip odometer reset stem will also display the trip odometer. The trip odometer can be reset - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 191
Fuel Used Press the trip/fuel button until FUEL USED displays. This display shows the number of gallons (gal) or liters (L) of fuel used since the last reset of this menu item. To reset the fuel used information, press and hold the set/reset button while FUEL USED is displayed. To stop the timer, - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 192
and Messages on page 3-59. You should change the oil as soon as you can. See Engine Oil on page 5-13. In addition to the engine oil life system monitoring the oil life, additional maintenance is recommended in the Maintenance Schedule in this manual. See Scheduled Maintenance on page 6-4 for more - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 193
, a message advising you to check the pressure in a specific be a problem with your vehicle. If this consistently occurs, see your dealer/retailer for service. 3. Engine Hours Press the vehicle information button until ENGINE HOURS displays. This display shows the total number of hours the engine - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 194
displays which can be accessed by pressing the trip odometer reset stem located on the instrument panel cluster. Pressing the trip odometer reset stem will (mi) or kilometers (km). Engine Hours To display the ENGINE HOURS, place the ignition in LOCK/OFF or ACC/ACCESSORY, then press and hold the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 195
any messages that appear on the display seriously and remember that clearing the messages will only make the messages disappear, not correct the problem. The following are the possible messages that can be displayed and some information about them. Language This display allows you to select the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 196
Engine Oil on page 5-13 and Scheduled Maintenance on page 6-4 for more information. See "DIC Operation and Displays (Using DIC Buttons)" earlier in this section. If the tire pressure is low, the low tire pressure warning light comes on. See Tire Pressure Light the tire pressures checked and set to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 197
this message stays on, the vehicle should be taken to your dealer/retailer for service as soon as possible. ENGINE OVERHEATED STOP ENGINE Notice: If you drive your vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 198
as soon as safely possible and do not operate it until the cause of the low oil pressure has been corrected. Check the oil as soon as possible and have your vehicle serviced by your dealer/retailer. See Engine Oil on page 5-13. HOOD OPEN This message displays and a chime sounds if the hood is not - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 199
SERVICE 4 WHEEL DRIVE If your vehicle has the all-wheel-drive (AWD) system, this message displays if a problem check for the message on the DIC display. If the message is still displayed or appears again when you begin driving, the AWD system needs service. See your dealer/retailer. REPLACE BATTERY - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 200
SERVICE AIR BAG This message displays if there is a problem with the airbag system. Have your dealer/retailer inspect the system for problems. See Airbag Readiness Light on page 3-37 and Airbag System on page 1-54 for more information. the vehicle. Restart the vehicle and check for the message on - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 201
off the engine. See PASS-Key® III+ Operation on page 2-20 for more information. SERVICE TRACTION CONTROL If your vehicle has StabiliTrak®, this message displays when there is a problem with the Traction Control System (TCS). When this message displays, the system will not limit wheel spin. Adjust - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 202
wheel more wheel spin. problem has been detected and the vehicle needs service. See your dealer/retailer. The message turns off as soon as the conditions that caused the message to be displayed are no longer present. TIGHTEN GAS CAP This message may display along with the check engine light light - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 203
must be re-learned after rotating the tires or after replacing a tire or sensor. See Tire Inspection and Rotation lead to costly repairs that would not be covered by WASHER FLUID LOW ADD FLUID This message as possible. See Engine Compartment Overview on page 5-12 for the location of the windshield - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 204
(With DIC Buttons) Your vehicle may have customization capabilities that allow you to program certain features to one ignition on and place the vehicle in PARK (P). To avoid excessive drain on the battery, it is recommended that the headlamps are turned off. 2. Press the customization button to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 205
NO CHANGE: No change will be made to this feature. The current setting will remain. To select a setting, press the set/reset button while the desired setting is displayed on the DIC. You can also change the language by pressing the trip odometer reset stem. See "Language" under DIC Operation and - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 206
the customization button to scroll through the following settings: OFF: There will be no feedback when you press the lock button on the RKE transmitter. LIGHTS ONLY: The exterior lamps will flash when you press the lock button on the RKE transmitter. HORN ONLY: The horn will sound on the second - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 207
DELAY DOOR LOCK On vehicles with a crew cab, this feature allows you to select whether or not the a setting, press the set/reset button while the desired setting is displayed on the DIC. EXIT LIGHTING This feature allows you to select the amount of time you want the exterior lamps to remain on when - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 208
set/reset button once to access the settings for this feature. Then press the customization button to scroll through the following settings: OFF: The exterior lights will not turn on when you unlock the vehicle with the RKE transmitter. ON (default): If it is dark enough outside, the exterior - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 209
the automatic movement has already occurred, and you put the key back in the ignition and remove it again, the seat will stay in the original exit position, unless a memory recall took place prior to removing the key again. NO CHANGE: No change will be made to this feature. The current setting - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 210
transmitter is pressed. On some vehicles with the adjustable throttle and brake pedal feature, the pedals will also automatically move. See "Relearn off or on. The remote start feature allows you to start the engine from outside of the vehicle using the Remote Keyless Entry (RKE) transmitter - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 211
FACTORY SETTINGS This feature allows you to set all of the customization features back to their factory default settings. Press the customization button until FACTORY SETTINGS appears on the DIC display. Press the set/reset button once to access the settings for this feature. Then press the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 212
wheel controls if the vehicle has them. Notice: Before adding any sound equipment to your vehicle, such as an audio system, CD player, CB radio, mobile telephone, or two-way radio, make sure that it can be added by checking with your dealer/retailer. Also, check federal rules covering mobile - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 213
date default setting from month/day/year to day/month/year. To change the time or date default settings, follow these instructions: 1. Press the H button and then the pushbutton located under the forward arrow that is currently displayed on the radio screen until the time 12H (hour) and 24H (hour - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 214
button instead of the H button to set the time and date. To set the time and date, follow these instructions: 1. Press the MENU button. Once the H option displays, press the pushbutton located under that label. The HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year) displays. 2. Press the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 215
Radio(s) (MP3) Radio with CD and DVD Radio with Six-Disc CD Your vehicle has one of these radios as its audio system. 3-79 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 216
more information on the vehicle's RSE system. The DVD player is the top slot on the radio faceplate. The player is capable of reading the DTS programmed DVD Audio or DVD Video media, (DTS and DTS Digital Surround are registered trademarks of Digital Theater Systems, Inc.). Manufactured under license - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 217
to stop scanning. The radio only seeks and scans stations with a strong signal that are in the selected band. 4 (Information) (XM™ Satellite Radio Service, MP3, and RDS Features): Press to display additional text information related to the current FM-RDS or XM™ station, or MP3 song. A choice of - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 218
your favorite stations using the presets, favorites button, and steering wheel controls, if the vehicle has this feature. See Defensive Driving Press the pushbutton located below the FAV 1-6 label. 3. Select the desired number of favorites pages by pressing the pushbutton located below the displayed - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 219
position, press the f knob for more than two seconds. EQ (Equalization): Press to change Digital Signal Processing (DSP) settings (Bose® audio systems only). DSP settings provide a choice of different listening experiences. The following DSP settings are available: • Normal - Select this setting - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 220
Adjusting the Speakers (Balance/Fade) BAL/FADE (Balance/Fade): To adjust balance or fade, press the f knob until the speaker control labels display. Continue pressing to highlight the desired label, or press the pushbutton positioned under the desired label. Turn the f knob clockwise or - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 221
label. 3. Turn the f knob to display the category to be removed. 4. Press the pushbutton located under the Remove label until the category name along with the word Removed displays. 5. Repeat the steps to remove more categories. Removed categories can be restored by pressing the pushbutton under the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 222
CD starts to play where it stopped, if it was the last selected audio source. When the CD is inserted, the CD symbol displays. As each new for two seconds. A beep sounds and Load All Discs displays. 2. Follow the displayed instruction on when to insert the discs. The CD player takes up to six CDs. - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 223
the smaller 3 inch (8 cm) single CDs with an adapter ring. Full-size CDs and the smaller CDs are loaded in the same manner. Care of in the CD or DVD player. If a CD is recorded on a personal computer and a description label is needed, try labeling the top of the recorded CD center to the edge. 3-87 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 224
CD and DVD, ejects from the bottom slot. A beep sounds and Ejecting Disc displays. Once the disc is ejected, Remove Disc displays. The disc can be removed. If the disc is not removed, after several seconds, the disc automatically pulls back into the player. For the Six-Disc CD player, press and hold - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 225
number displays when a disc is in either slot. Press again and the system automatically searches for an auxiliary input device, such as a portable audio player. If a portable audio player is not connected, "No Aux Input Device" displays. If a disc is in both the DVD slot and the CD slot the DVD - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 226
Seat Audio (RSA) on page 3-118 for more information. Playing an MP3 CD-R or CD-RW Disc Radios with a Six-Disc CD player have the capability of an MP3" in the index. CD Messages CHECK DISC: Radios with a Single CD player or radios with a Six-Disc player displays CHECK DISC and/or ejects the CD if - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 227
DVD slot of the radio is compatible with most audio CDs, CD-R, CD-RW, DVD-Video, DVD-Audio, DVD-R/RW, DVD+R/RW media along with MP3 wet, or upside down. • The air is very humid. If so, wait about an hour and try again. • There could have been a problem while burning the CD. • The label could be - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 228
automatically searches for an auxiliary input device, such as a portable audio player. If a portable audio player is not connected, "No Aux Input Device" displays. If . f (Tune): Turn to change tracks on a CD or DVD, to manually tune a radio station, or to change clock or date settings, while in - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 229
options for DVD playing. Press the pushbuttons located under any desired tag option during DVD DVD. If a CD or DVD is ejected, but not removed, the player automatically pulls it back in after 15 seconds. movie automatically, press the pushbutton located under the play/pause symbol tag displayed on the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 230
-A (Audio) Display Buttons Once a DVD-A is inserted, radio display menu shows several tag options for DVD playing. Press the pushbuttons located under on when the DVD-A is inserted into the DVD slot. It must be manually turned on by the rear seat occupant through the remote control power button. r - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 231
twice on the remote control, the disc resumes playing at the beginning of the disc. e(Audio Stream): Press to cycle through audio stream formats located on the DVD-A disc. The video screen shows the audio stream changing. Inserting a Disc To play a disc, gently insert the disc, with the label - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 232
disc is ejected from the radio, but not removed, the radio reloads the disc after a short period located on the lower right side of the faceplate. This is not an audio output; do not plug the headphone set into the front auxiliary input jack. An external audio device such as an iPod, laptop computer - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 233
number displays when a disc is in either slot. Press again and the system automatically searches for an auxiliary input device, such as a portable audio player. If a portable audio player is not connected, "No Aux Input Device" displays. If a disc is in both the DVD slot and the CD slot the DVD - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 234
burn your own MP3 disc on a personal computer CD-R or CD-RW disc. • Do not mix standard audio and MP3 files on one disc. • Make sure the or less. • Finalize the audio disc before you burn it. Trying to add music . • Avoid subfolders. The system can support up to 8 subfolders deep, however, keep - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 235
) and MP3 files, a folder under the root directory called CD access all of the CD audio tracks on the disc. When the CD contains only playlists and compressed audio files, but no folders, all files are located under the root folder. The folder down and the folder up buttons search playlists (Px) first - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 236
displays. Once the disc is ejected, Remove Disc displays. The CD-R can be removed. If the CD-R or CD-RW is not removed, after several seconds, the CD-R or CD-RW starts to play where it stopped, if it was the last selected audio source. As each new track starts to play, the track number and song title - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 237
CD-R or CD-RW in order by artist or album. Press the pushbutton located below the music navigator label. The player scans the disc to sort the fi If you want to listen to MP3 files by another artist, press the pushbutton located below either arrow button. You will go to the next or previous artist in - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 238
artist to playback by album, press the pushbutton located below the Sort By label. From the sort to toggle between compressed and uncompressed audio format, the default being the uncompressed format (.CDA). MP3/WMA Format If you burn your own MP3/WMA disc on a personal computer: • Make sure the MP3 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 239
The system can support up to eight subfolders located under the root folder. The folder down and the folder up buttons search playlists (Px) first and then goes to the root folder. When the radio displays the name of the folder the radio displays ROOT. 3-103 • Finalize the audio disc before you burn - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 240
radio, the CD-R starts to play where it stopped, if it was the last selected audio source. As each new track starts to play, the track number and song title displays. 32 characters or four pages are shortened. Parts of words on the last page of text and the extension of the filename displays. 3-104 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 241
playing in the top slot. A beep sounds and Ejecting Disc displays. Once the disc is ejected, Remove Disc displays. The CD-R or CD-RW can be removed. If the CD-R or CD-RW is not removed, after several seconds, the CD-R automatically pulls back into the player. If loading and reading of a CD - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 242
on the second line of the display between the arrows. If you want to listen to MP3/WMA files by another artist, press the pushbutton located below either arrow button. The disc goes to the next or previous artist in alphabetical order. Continue pressing either button until the desired artist is - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 243
a location that is blocking the XM™ signal. When you move into an open area, the signal should return. Loading XM: The audio system is acquiring and processing audio and text data. No action is needed. This message should disappear shortly. Channel Off Air: This channel is not currently in service - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 244
appears after having your vehicle serviced, check with your dealer/retailer. XM Radio ID: If tuned to channel 0, this message alternates with the XM Radio eight , no matter how advanced, can never replace your own judgment. See the Navigation System manual for some tips to help you reduce - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 245
Rear Seat Entertainment (RSE) system. The RSE system works with the vehicle's audio system. The DVD player is part of the front radio. The RSE system includes a radio with a DVD player, a video display screen, audio/video jacks, two wireless headphones, and a remote control. See Radio(s) (MP3) on - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 246
light does not come on, the batteries might need to be replaced. See "Battery Replacement" later in this section for more information. Switch the headphones to Off when not in use. Infrared transmitters are located at the rear of the RSE overhead console located on the right side. For optimal audio - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 247
the inside of the battery compartment. 3. Replace the battery door and tighten the door screw. If the headphones are to be stored for a long period of time, remove the batteries and keep them in a cool, dry place. The A/V jacks, located on the rear of the floor console, allow audio or video signals - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 248
external auxiliary device to the color-coded A/V jacks and turn both audio signal to the wireless headphones, if there is audio available. See "Headphones" earlier in this section for more information. The DVD player is capable of outputting audio to remove the setup menu from the screen. 3-112 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 249
overhead console and press the desired button. Direct sunlight or very bright light could affect the ability of the RSE transmitter to receive signals from the remote control. If the remote control does not seem to be working, the batteries might need to be replaced. See "Battery Replacement" later - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 250
Remote Control Buttons y (Main Menu): Press this button to access the DVD menu. The DVD menu is different on every DVD. Use the navigation arrows to move the cursor around the DVD menu. After making a selection press the enter button. This button only operates when using a DVD. n, q, p, o (Menu - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 251
a DVD video, press the play/pause button. To stop fast reversing a DVD audio or CD, release the fast reverse button. This button might not work when the disc. 1 through 0 (Numeric Keypad): The numeric keypad provides the capability of direct chapter or track number selection. \ (Clear): Press this - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 252
inside of the battery compartment. 3. Replace the battery cover. If the remote control is to be stored for a long period of time, remove the battery and keep it in a cool, dry place. Problem No power. Recommended Action The ignition might not be turned ON/RUN or in ACC/ACCESSORY. Check the display - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 253
displays, if no disc is present when ZEJECT or DVD AUX is pressed on the radio. Sometimes the wireless Check for obstructions, headphone audio cuts out low batteries, reception or buzzes. range, and interference from cellular telephone towers or by using your cellular telephone in the vehicle - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 254
device to the front auxiliary input (if available), located on the front audio system. Turn the iPod on, then choose the front auxiliary input with the RSA SRCE button. Cleaning the RSE Overhead Console When cleaning the RSE overhead console surface, use only a clean cloth dampened with clean water - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 255
© ¨(Seek): When listening to FM, AM, or XM™ (if equipped), press either seek arrow to go to the previous or to the next station or channels and stay there. This function is inactive, with some radios, if the front seat passengers are listening to the radio. Press and hold either seek arrow until the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 256
the PROG button to perform the menu function, enter. Audio Steering Wheel Controls Vehicles with audio steering wheel controls could differ depending on your vehicle's options. Some audio controls can be adjusted at the steering wheel. They include the following: Theft-Deterrent Feature THEFTLOCK - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 257
OnStar® mode. See the OnStar® System on page 2-45 in this manual for more information. SRCE (Source): Press this button to switch between accessories, and external electronic devices are plugged into the accessory power outlet. If there is interference or static, unplug the item from the accessory - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 258
sure the XM™ Satellite Radio antenna is not obstructed. Fixed Mast Antenna The fixed mast antenna can withstand most car washes without being damaged. If the mast should ever become slightly bent, straighten it out by hand. If the mast is badly bent, replace it. Check occasionally to make sure the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 259
34 Truck-Camper Loading Information ...4-40 Pickup Conversion to Chassis Cab ...4-40 Towing ...4-41 Towing Your Vehicle ...4-41 Recreational Vehicle Vehicle ...4-3 Braking ...4-3 Antilock Brake System (ABS) ...4-4 Braking in Emergencies ...4-5 StabiliTrak® System ...4-5 All-Wheel Drive (AWD) System - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 260
or even fatal - collision if you drive after drinking. Do not drink and drive or ride with a driver who has been drinking. Ride home in a cab; or if you are with a group, designate a driver who will not drink. Death and injury associated with drinking and driving is a global tragedy. Alcohol affects - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 261
leading highway safety problem is for people . Braking See Brake System Warning Light on page 3-41. Braking action , coordination, and eyesight all play a part. So do alcohol, drugs, and frustration. accessories can affect your vehicle's performance. See Accessories and Modifications on page 5-3. - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 262
on until the problem is repaired. See your dealer/retailer for service. Let us say the road is wet and you are driving safely. Suddenly, an animal jumps out in front of you. You slam on the brakes and continue braking. Here is what happens with ABS: A computer senses that wheels are slowing down - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 263
system fails to turn on or activate, the StabiliTrak® light along with one of the following messages will be displayed on the Driver Information Center (DIC): TRACTION CONTROL OFF, SERVICE TRACTION CONTROL, STABILITRAK OFF, SERVICE STABILITRAK. If these DIC messages appear, make sure the StabiliTrak - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 264
turned off, the StabiliTrak® light and the appropriate TCS off brake-traction control when traction control is off, but will not be able to use the engine off-road conditions where high wheel spin is required. See If located on the instrument panel below the climate controls. The traction control part - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 265
. Notice: If you allow the wheel(s) of one axle to spin excessively while the StabiliTrak®, ABS and brake warning lights and the SERVICE STABILITRAK message are displayed, you could damage the transfer case. The repairs would not be covered by your warranty. Reduce engine power and do not spin the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 266
assist because the engine stops or the system curve, do it before you enter the curve, while the front wheels are straight ahead. Try to adjust your speed so you can drive . Adding non-dealer/non-retailer accessories can affect your vehicle's performance. See Accessories and Modifications on page 5-3. - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 267
. See Braking on page 4-3. It is better to remove as much speed as you can from a possible collision. Then steer around the problem, to the left or right depending on the space available. An emergency like this requires close attention and a quick decision. If you are holding the steering wheel at - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 268
until the right front tire contacts the pavement edge. Then turn the steering wheel to go straight down the roadway. 4-10 Let us review what driving experts say about what happens when the three control systems - brakes, steering, and acceleration - do not have enough friction where the tires meet - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 269
overdriving those conditions. But skids are always possible. The three types of skids correspond to your vehicle's three control systems. In the braking skid, the wheels are not rolling. In the steering or cornering skid, too much speed or steering in a curve causes tires to slip and lose cornering - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 270
the locking rear axle and all-wheel drive - help service. This guide is for operating your vehicle off paved roads. Also, see Braking on page 4-3. The airbag . The greatest of these is the terrain itself. "Off-roading" means you remove the front fascia lower air dam. The front fascia lower air dam - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 271
are removed and the snaps are disengaged, push forward on the air dam until it is free. When you are back on roads, though, be sure to replace the air dam. Notice: Operating your vehicle for extended periods without the front fascia lower air dam installed can cause improper air flow to the engine - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 272
of the rear axle. Put heavier items 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 terrain does not toss things around. You will find other important information in this manual includes wheel-spinning, - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 273
terrain for unexpected obstacles. Your ears need to listen for unusual tire or engine sounds. With your arms, hands, feet, and body terrain and plan your route. You are and terrain. be sure to read the winch instructions. In a remote area, a winch time to scan the terrain for obstacles. • You have - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 274
acceleration, poor traction, and longer braking distances. • Will you have to stop suddenly or change direction quickly? When you drive over obstacles or rough terrain, keep a firm grip on the steering wheel. Ruts, troughs, or other surface features can jerk the wheel out of your hands if you - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 275
, off-road driving requires a different kind of alertness from driving on paved roads and highways. There are no road signs, posted speed limits, or signal lights. You have to use your own good judgment about what is safe and what is not. Drinking and driving can be very dangerous on any - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 276
cause tire slipping? • Use a low gear and get a firm grip on the steering wheel. • Is there a straight path up or down the hill so you will not have Do not use more power than you need, because you do not want the wheels to start spinning or sliding. • Are there obstructions on the hill that can - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 277
hill with the wheels straight rather than in the left or right direction. Turning the wheel too far to brake pedal to stop the vehicle and keep if from rolling backwards. Also, apply the parking brake. • If the engine is still running, shift the transmission to REVERSE (R), release the parking brake - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 278
braking when going down a hill can cause your brakes to overheat and fade. This could cause loss of control and a serious accident. Apply the brakes lightly headed straight down, and use a low gear. This way, engine drag can help the brakes and they will not have to do all the work. Descend slowly - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 279
brake, and drive straight down. 4. If the engine will not start, get out and get help. • A hill that can be driven straight up or down may be too steep to drive across. When you go straight up or down a hill, the length of the wheel • Surface conditions can be a problem when you drive across a hill. - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 280
When driving across an incline that is not too steep, the vehicle can hit some loose gravel and start to slide downhill. If you feel your vehicle starting to slide sideways, turn downhill. This should help straighten out the vehicle and prevent the side slipping. However, a much better way to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 281
Driving in Mud, Sand, Snow, or Ice When you drive in mud, snow, or sand, the wheels will not get good traction. You cannot accelerate as quickly, turning is more difficult, and you will need longer braking distances. It is best to use a low gear when you are in mud - the deeper the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 282
. These substances can cause glazing and uneven braking. Check the body structure, steering, suspension, wheels, tires, and exhaust system for damage. Also, check the fuel lines and cooling system for any leakage. Your vehicle will require more frequent service due to off-road use. Refer to the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 283
are likely to be impaired - by alcohol or drugs, with night vision problems, or by fatigue. Night driving tips include: • Do not wear sunglasses and keep more space between you and other vehicles because your headlamps can only light up so much road ahead. Driving in Rain and on Wet Roads Rain and - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 284
one side. You could lose control of the vehicle. After driving through a large puddle of water or a car/vehicle wash, lightly apply the brake pedal until the brakes work normally. Flowing or rushing water creates strong forces. Driving through flowing water could cause your vehicle to be carried away - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 285
and outside? Wiper Blades: In good shape? Fuel, Engine Oil, Other Fluids: All levels checked? Lamps: Do they all work and are lenses clean? rolling terrain. Tips for driving in these conditions include: • Keep your vehicle serviced and in good shape. • Check all fluid levels and brakes, tires - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 286
get so hot that they would not work well. You would then have poor braking or even none going down a hill. You could crash. Shift down to let the engine assist the brakes on a steep downhill slope. across the center of the road. Drive at speeds that let you stay in your own lane - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 287
wet ice can be even more trouble because it can offer the least on wet ice until salt and sand crews can get there. Whatever the condition - wheels will spin and polish the surface under the tires even more. The Antilock Brake until you hit a spot that is covered with ice. On an otherwise clear road - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 288
a patch of ice ahead of you, brake before you are on it. Try not to brake while you are actually on the ice, or wrap a blanket around you. If you do not have blankets or extra clothing, make body insulators from newspapers, burlap bags, rags, floor mats - anything you can wrap around yourself - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 289
, especially any that is blocking the exhaust pipe. And check around again from time to time to be sure snow battery charged. You will need a well-charged battery to restart the vehicle, and possibly for signaling later on with the headlamps. Let the heater run for a while. Then, shut the engine - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 290
wheel left and right to clear the area around the front wheels. For vehicles with StabiliTrak®, turn the traction control part lightly on the accelerator pedal when the transmission is in gear. By slowly spinning the wheels causing an engine compartment fire or other damage. Spin the wheels as little - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 291
the chain or cable snapping back. Notice: Never use recovery hooks to tow the vehicle. Your vehicle could be damaged and it would not be covered by warranty. Your vehicle has recovery hooks at the front of the vehicle. You can use them if you are stuck off-road and need - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 292
: Do not load your vehicle any heavier than the Gross Vehicle Weight Rating (GVWR), or either the maximum front or rear Gross Axle Weight Rating (GAWR). If 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 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 293
the size of Axle Weight Rating (GAWR) for the front and rear axles. See "Certification/Tire Label" later in this section. Steps for Determining Correct Load Limit 1. Locate trailer will be transferred to your vehicle. Consult this manual to determine how this reduces the available cargo and luggage - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 294
Example 1 Example 2 Item A B C Description Vehicle Capacity Weight for Example 1 = Subtract Occupant Weight 150 lbs (68 kg) × 2 = Available Occupant and Cargo Weight = Total 1,000 lbs (453 kg) 300 lbs (136 kg) 700 lbs (317 kg) Item A B C Description Vehicle Capacity Weight for Example 2 = - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 295
weight and seating positions. A vehicle specific Certification/Tire label is found on the rear edge of the driver's door. The label shows the size of your vehicle's original tires and the inflation pressures needed to obtain the gross weight capacity of your vehicle. This is called Gross Vehicle - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 296
rear Gross Axle Weight Rating (GAWR). If you do, parts on your vehicle packages, or anything else - they go as fast as the vehicle goes. If you have to stop or turn quickly, or if there is a crash, they will keep going. {CAUTION: In the case of a sudden stop or collision, things carried in the bed - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 297
also important loading information for off-road driving in this manual. See "Loading Your Vehicle for Off-Road Driving" center of gravity should be positioned in a zone over the rear axle. The zone is located in the area between the front of each wheel well and the rear of each wheel well. The center - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 298
lbs (454 kg). A reinforcement kit for rail-mounted add-on equipment is recommended. See your GM dealer. Pickup Conversion to Chassis Cab We are aware that some vehicle owners might consider having the pickup box removed and a commercial or recreational body installed. Owners should be aware that - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 299
service if wheels on the ground) and "dolly towing" (towing your vehicle with two wheels on the ground and two wheels example, if the trailer is too heavy, the brakes may not work well - or even at all. your vehicle; the resulting repairs would not be covered by your warranty. Pull a trailer only if - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 300
covered by your warranty. Always follow the instructions in this section and check braking new vehicle is driven. Your engine, axle or other parts could be damaged. • Then parts of your vehicle wear in at the heavier loads. • You can tow in DRIVE (D). You may want to shift the transmission to Manual - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 301
this button at the end of the shift lever to enable/disable the tow/haul mode. A light on the instrument panel will illuminate to indicate that tow/haul mode has been selected. • Improve . • Increase the charging system voltage to assist in recharging a battery installed in a trailer. 4-43 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 302
when unloaded may result in unpleasant engine and transmission driving characteristics and a heavy trailer or a large or heavy load through rolling terrain. • When pulling a heavy trailer or a large or desired. Operating the vehicle in Tow/Haul when lightly loaded or with no trailer at all will - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 303
cargo, equipment and conversions. The GCWR for your vehicle should not be exceeded. K-1500* Axle Ratio Maximum Trailer Weight **GCWR 6.2L V8 3.42 8,400 lbs (3 810 kg) 14,000 lbs (6 350 kg) *Fifth-wheel or gooseneck trailering is neither designed nor intended for this vehicle. **The Gross Combination - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 304
allowable tongue weight for your vehicle. Choose the shortest hitch extension that will position the hitch ball closest to the vehicle. This will help reduce the effect of trailer tongue weight on the rear axle. After you have loaded the trailer, weigh the trailer and then the tongue separately, to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 305
passengers with some luggage and gear in the vehicle as well. You may add 300 lbs (136 kg) to the front axle weight and 400 lbs (181 kg) to the rear axle weight. Your vehicle now weighs: You may go further and think you must limit tongue weight to less than 1,000 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 306
make sure you don't go over the rear axle limit before you apply the weight distribution spring few reasons why you'll need the right hitch. (A) Body to Ground Distance (B) Front of Vehicle When using a vehicle. If you use a step-bumper hitch, the bumper could be damaged in sharp turns. Make sure - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 307
brakes - and they must be adequate. Be sure to read and follow the instructions for the trailer brakes parts can withstand 3,000 psi (20 650 kPa) of pressure. • The trailer's brake braking systems won't work well. You could even lose your brakes. If everything checks out this far, make the brake - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 308
death. See Engine Exhaust on air into your vehicle. Do not use the climate control setting for maximum air because it only recirculates the air check all trailer hitch parts and attachments, safety chains, electrical connector, lamps, tires and mirror adjustment. If the trailer has electric brakes - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 309
you avoid situations that require heavy braking and sudden turns. Making Turns Notice back up slowly and, if possible, have someone guide you. Turn Signals When Towing a Trailer The burned out. Thus, you may think drivers behind you are seeing your signal when they are not. It's important to check - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 310
a few minutes before turning the engine off. If you do get the overheat warning, see Engine Overheating on page 5-26. Parking on wheels. 3. When the wheel chocks are in place, release the regular brakes until the chocks absorb the load. 4. Reapply the regular brakes. Then apply your parking brake - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 311
), engine oil, axle lubricant, belts, cooling system and brake system. Each of these is covered in this manual, and the Index will help you find them quickly. If you're trailering, it's a good idea to review these sections before you start your trip. Check periodically to see that all hitch nuts and - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 312
. The harness contains the following wires: • Dark Blue: Brake Signal to Trailer Connector • Red/Black: Battery • Light Blue/White: Brake Switch • White: Ground It should be installed by your dealer/retailer or a qualified service center. Trailer Recommendations You must subtract your hitch loads - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 313
Section 5 Service and Appearance Care Engine Fan Noise ...5-33 Power Steering Fluid ...5-34 Windshield Washer Fluid ...5-35 Brakes ...5-36 Battery ...5-39 Jump Starting ...5-40 All-Wheel Drive ...5-45 Rear Axle ...5-46 Front Axle ...5-47 Headlamp Aiming ...5-49 Bulb Replacement ...5-52 Halogen - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 314
...5-73 Buying New Tires ...5-74 Different Size Tires and Wheels ...5-76 Uniform Tire Quality Grading ...5-76 Wheel Alignment and Tire Balance ...5-78 Wheel Replacement ...5-78 Tire Chains ...5-79 If a Tire Goes Flat ...5-80 Changing a Flat Tire ...5-81 Removing the Spare Tire and Tools ...5-82 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 315
GM-trained and supported service people. Genuine GM parts have one of these marks: Accessories and Modifications When non-dealer/non-retailer accessories are added to your vehicle they can affect your vehicle's performance and safety, including such things as, airbags, braking, stability, ride and - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 316
can. To order the proper service manual, see Service Publications Ordering Information on page 7-15. California Perchlorate Materials Requirements Certain types of automotive applications, such as airbag initiators, seat belt pretensioners, and lithium batteries contained in remote keyless entry - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 317
using gasoline rated at 87 octane or higher and you hear heavy knocking, the engine needs service. Adding Equipment to the Outside of Your Vehicle Things you might add to the outside of your vehicle can affect the airflow around it. This can cause wind noise and can affect fuel economy and - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 318
your vehicle might fail a smog-check test. See Malfunction Indicator Lamp on covered by your warranty. Additives To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine intake valves clean, or if your vehicle experiences problems due - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 319
parts in the fuel system and also damage plastic and rubber parts. That damage would not be covered occurs, return to your dealer/retailer for service. Fuels in Foreign Countries If you plan be covered by your warranty. To check the fuel availability, ask an auto club, or contact a major oil - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 320
burns violently and a fuel fire can cause bad injuries. To help avoid injuries to you and others, read and follow all the instructions on the pump island. Turn off your engine is located behind a hinged fuel door on the driver's side of the vehicle. To remove the fuel cap, turn it slowly - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 321
be badly burned. This spray dual fuel tank chassis cab model, and it removing the nozzle. Clean fuel from painted surfaces as soon as possible. See Washing Your Vehicle on page 5-102. When replacing the Driver Information Center (DIC) if light and may damage your fuel tank and emissions system. - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 322
is not running. Keep hands, clothing, and tools away from any underhood electric fan. {CAUTION: 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 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 323
the handle with this symbol on it. It is located inside the vehicle to the left of the brake pedal. 2. Then go to the front of the vehicle and locate the secondary hood release. This is located under the hood, near the center of the grille. 3. Push the secondary hood release to the right. 4. Lift - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 324
Engine Compartment Overview When you open the hood on the 6.2L engine this is what you will see: 5-12 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 325
Oil Checking Engine Oil It is a good idea to check the 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 is a yellow loop. See Engine Compartment Overview on page 5-12 for the location - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 326
Overview on page 5-12 for the location of the engine oil fill cap. If the oil is below the cross-hatched area at the tip of the dipstick, add at least one quart/liter of the recommended oil. This section explains what kind of oil to use. For engine oil crankcase capacity, see Capacities and Speci - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 327
identified as meeting GM Standard GM6094M and showing the American Petroleum Institute Certified For Gasoline Engines starburst symbol. Failure to use the recommended oil can result in engine damage not covered by your warranty. If you are in an area of extreme cold, where the temperature falls below - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 328
protection. However, the engine oil and filter must be changed at least once a year and at this time the system must be reset. Your dealer/retailer has trained service people who will perform this work using genuine parts and reset the system. It is also important to check the oil regularly and keep - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 329
a problem properly disposing of used oil, ask your dealer/retailer, a service station, or a local recycling center for help. When to Inspect the Engine Air Cleaner/Filter If your vehicle has an air filter restriction indicator, it lets you know when the engine air cleaner/filter needs to be replaced - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 330
How to Inspect the Engine Air Cleaner/Filter Vehicles With an Air Filter Restriction Indicator Locate the air filter restriction indicator on the engine air cleaner/filter cover. When the indicator turns black or is in the red/orange "change" zone, replace the filter and reset the indicator. See the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 331
the air cleaner/filter off. 3. Remove the engine air cleaner/filter from the housing. Care should be taken to dislodge as little dirt as possible. 4. Clean the engine air cleaner/filter sealing surfaces and the housing. 5. Inspect or replace the engine air cleaner/filter. 6. Reinstall the cover and - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 332
release the brake pedal. 5. Keep the engine running and press the Trip/Fuel button or trip odometer reset stem until TRANS TEMP (Transmission Temperature) displays on the Driver Information Center (DIC). 6. Using the TRANS TEMP reading, determine and perform the appropriate check procedure. If - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 333
the fluid level. Perform the hot check procedure at the first opportunity. Use this cold check procedure to check fluid level when the transmission temperature is between 80°F and 90°F (27°C and 32°C). 1. Locate the transmission dipstick at the rear of the engine compartment, on the passenger side of - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 334
the first opportunity in order to verify the cold check. The fluid level rises as fluid temperature increases, so it is important to ensure the transmission temperature is within range. 1. Locate the transmission dipstick at the rear of the engine compartment, on the passenger side of the vehicle. The - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 335
persist, check the problem with engine overheating, see Engine Overheating on page 5-26. Notice: Using coolant other than DEX-COOL® may cause premature engine, heater core, or radiator corrosion. In addition, the engine coolant may require changing sooner, at the first maintenance service - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 336
badly damaged. The repair cost would not be covered by your warranty. Too much water in the mixture can freeze 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/retailer check your cooling system. Notice: If you use - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 337
Overview on page 5-12 for more information on location. You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. When replacing the pressure cap, make sure it is hand - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 338
tank pressure cap must be fully installed on the coolant surge tank. See Engine Compartment Overview on page 5-12 for more information on location. If Steam Is Coming From Your Engine {CAUTION: Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 339
, stop, and park your vehicle immediately. If No Steam Is Coming From Your Engine The ENGINE OVERHEATED STOP ENGINE or the ENGINE OVERHEATED IDLE ENGINE message, along with a low coolant condition, can indicate a serious problem. If you get an engine overheat warning, but see or hear no steam, the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 340
the hood but to get service help right away. Overheated Engine Protection Operating Mode If an overheated engine condition exists and the ENGINE POWER IS REDUCED message is displayed, an overheat protection mode which alternates firing groups of cylinders helps prevent engine damage. In this mode - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 341
is boiling, do not do anything else until it cools down. The vehicle should be parked on a level surface. Check the coolant level after the system cools down. Some amount of coolant can be lost due to overheating. A. Coolant Surge Tank B. Coolant Surge Tank Pressure Cap C. Engine Cooling Fan 5-29 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 342
and radiator hoses, and other engine parts, can be very hot. Do not touch them. If you do, you can be burned. Do not run the engine if there is a leak. If you run the engine, it could lose all coolant. That could cause an engine fire, and you could be burned. Get any leak fixed before - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 343
have not found a problem yet, check to see if coolant tank pressure cap, is cool before you do it. See Engine Coolant on page 5-23 for more information. If no coolant and scalding liquids from a hot cooling system can blow out and burn you badly. They are under pressure, and if you turn the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 344
and the proper coolant mixture. {CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. 1. Remove the coolant surge tank pressure cap when the cooling system - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 345
mixture to the coolant surge tank until the level reaches the FULL COLD mark. 5. Then replace the pressure cap. Be sure the pressure cap is hand-tight and fully seated. 6. Verify coolant level after the engine is shut off and the coolant is cold. If necessary, repeat coolant fill procedure Steps - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 346
Fluid To check the power steering fluid, do the following: 1. Turn the key off and let the engine compartment cool down. 2. Wipe the cap and the top of the reservoir clean. 3. Unscrew the cap and wipe the dipstick with a clean rag. 4. Replace the cap and completely tighten it. 5. Remove the cap - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 347
until the tank is full. See Engine Compartment Overview on page 5-12 for reservoir location. Notice: Adding Washer Fluid Your instructions for adding water. • Do not mix water with ready-to-use washer fluid. Water can cause the solution to freeze and damage your washer fluid tank and other parts - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 348
there will be too much fluid when new brake linings are installed. Add or remove brake fluid, as necessary, only when work is done on the brake hydraulic system. {CAUTION: If you have too much brake fluid, it can spill on the engine. The fluid will burn if the engine is hot enough. You or others could - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 349
above the MIN but not over the MAX mark. hydraulic system parts. For example, just a few drops of mineral-based oil, such as engine oil, in the brake hydraulic system can damage brake hydraulic system parts so badly that they will have to be replaced. Do not let someone put in the wrong kind of fluid - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 350
are removed for rotation or changing. Drum brakes have an inspection hole to inspect lining wear during scheduled maintenance. When you have the front brake pads replaced, have the rear brakes inspected, too. Brake linings should always be replaced as complete axle sets. {CAUTION: The brake wear - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 351
Engine Compartment Overview 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 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 352
of your vehicle, remove the black, negative (−) cable from the battery or use a battery trickle charger. This will help maintain the charge of the battery over an extended period of time. {CAUTION: Batteries can hurt you. They can be dangerous because: • They contain acid that can burn you. • They - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 353
automatic transmission in PARK (P) or a manual transmission in NEUTRAL before setting the parking brake. If you have a four-wheel-drive vehicle, be sure the transfer case is in a drive gear, not in NEUTRAL. Notice: If you leave your radio or other accessories on during the jump starting procedure - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 354
{CAUTION: An electric fan can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan. The remote negative (−) terminal is a stud located on the right front of the engine, where the negative battery cable attaches. 5-42 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 355
can burn you. Do not get it on you. If you accidentally get it in your eyes or on your skin, flush the place with water and get medical help immediately. {CAUTION: Fans or other moving engine parts can injure you badly. Keep your hands away from moving parts once the engine is running. 5. Check that - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 356
negative (−) terminal, on the vehicle with the dead battery. 10. Now start the vehicle with the good battery and run the engine for a while. 11. Try to start the vehicle that had the dead battery. If it will not start after a few tries, it probably needs service. 7. Do not let the other end touch - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 357
its original position. Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part or Remote Negative (−) Terminal B. Good Battery or Remote Positive (+) and Remote Negative (−) Terminals C. Dead Battery or Remote Positive (+) Terminal All-Wheel Drive Lubricant checks in this section also apply to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 358
problem. Have it inspected and repaired. All axle assemblies are filled by volume of fluid during production. They are not filled to reach a certain level. When checking the fluid level on any axle Remember that the rear axle assembly must be supported to get a true reading. AWD Transfer Case (A) Fill - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 359
It is not necessary to regularly check front axle fluid unless you suspect there is a leak or you hear an unusual noise. A fluid loss could indicate a problem. Have it inspected and repaired. To get an accurate reading, the vehicle should be on a level surface. For AWD 6.2L applications, the proper - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 360
How to Check Lubricant To get an accurate reading, the vehicle should be Maintenance Schedule to determine what kind of lubricant to use. See Recommended Fluids and Lubricants on page 6-12. 1500 Series A: Fill Plug B: Drain Plug • When the differential is cold, add enough lubricant to raise the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 361
vehicle is taken to your dealer/retailer for service if the headlamps need to be adjusted. placed so the headlamps are 25 ft. (7.6 m) from a light colored wall. • Have all four tires on a level surface which • Have the spare tire is in its proper location in the vehicle. Headlamp aiming is done with - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 362
mark in Step 4. 2. Locate the aim dot on the Covering a headlamp may cause excessive heat build-up which may cause damage to the headlamp. 6. Turn on the low-beam headlamps and place a piece of cardboard or equivalent in front of the headlamp not being adjusted. This allows only the beam of light - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 363
7. Locate the vertical headlamp aiming screws, which are under the hood near each headlamp Turn it clockwise or counterclockwise to raise or lower the angle of the beam. 9. Make sure that the light from the headlamp is positioned at the bottom edge of the horizontal tape line. The lamp on the left - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 364
read and follow the instructions on the bulb package. Headlamps To replace one of these bulbs: 1. Open the hood. See Hood Release on page 5-11 for more information. 2. If you are replacing the bulb on the passenger side remove the Engine Air Cleaner cover. See Engine Air Cleaner/Filter on page 5-17 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 365
Lamp D. Daytime Running Lamp (DRL) 3. Press the retainer clip (B), located behind the turn signal assembly, toward the outside of the vehicle. 4. replace a front turn signal, sidemarker or DRL bulb, do the following: 1. Open the hood. See Hood Release on page 5-11 for more information. 2. Remove - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 366
bracket until you hear a click. 10. Reinstall the headlamp assembly. Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp To replace one of these bulbs: A. Cargo Lamp B. Center High-Mounted Stoplamp Bulb (CHMSL) 2. Remove the CHMSL and Cargo bulbs by turning socket counterclockwise and pulling the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 367
and Back-up Lamps To replace a taillamp bulb: 1. Open the tailgate. See Tailgate on page 2-13 for more information. A. Stoplamp/Turn Signal/Taillamp B. Stoplamp/Turn Signal/Taillamp C. Back-up Lamp D. Sidemarker Lamp 3. Pull out the taillamp assembly. 2. Remove the two taillamp assembly screws - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 368
License Plate Lamp To replace one of these bulbs: 1. Reach under the rear bumper for the bulb socket. 4. Press the release tab, if the vehicle has one, and turn the bulb socket counterclockwise to remove it from the taillamp housing. 5. Pull the old bulb straight out from the socket. 6. Press a new - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 369
Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance on page 6-4. Replacement blades come in different types and are removed in different ways. To replace the wiper blade assembly, do the following: 1. Pull the windshield wiper arm connector away from - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 370
warranty and where to obtain service, see your vehicle Warranty booklet for details. {CAUTION: 3. Install the new blade onto the arm connector and make sure the grooved areas are fully set in the locked position. For the proper type and size, see Maintenance Replacement Parts on page 6-14. Poorly - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 371
your vehicle's tires have been damaged, replace them. 20-Inch Tires If your vehicle has the optional 20-inch P275/55R20 size tires, they are classified as width, height, aspect ratio, construction type, and service description. See the "Tire Size" illustration later in this section for more detail. - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 372
be carried and the maximum pressure needed to support that load. For information on recommended tire pressure see Inflation - Tire Pressure on page 5-65 and Loading Your Vehicle on page 4-34. 5-60 Light Truck (LT-Metric) Tire (A) Tire Size: The tire size code is a combination of letters and numbers - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 373
needed to support that load when parts of a tire size. Passenger (P-Metric) Tire Light Truck (LT-Metric) Tire (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter P as the first character in the tire size means a passenger vehicle tire engineered - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 374
. Some examples of optional accessories are, automatic transmission, power steering, power brakes, power windows, power seats, and air conditioning. Aspect Ratio: The relationship of a tire's height to its width. Belt: A rubber coated layer of cords that is located between the plies and the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 375
4-34. GAWR RR: Gross Axle Weight Rating for the rear axle. See Loading Your Vehicle on page 4-34. Intended Outboard Sidewall: The side of an asymmetrical tire, that must always face outward when mounted on a vehicle. Kilopascal (kPa): The metric unit for air pressure. Light Truck (LT-Metric) Tire - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 376
and some light duty trucks to the centerline of the tread. Rim: A metal support for a tire and upon which the tire beads are an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight. weight and the original equipment tire size and recommended inflation pressure. See - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 377
pressure, shown on the label, is the minimum amount of air pressure needed to support your vehicle's maximum load carrying capacity. For additional information it was designed to carry. When to Check Check your tires once a month or more. Do not forget to check the pressure of the spare tire. See - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 378
km). Remove the valve air until you reach the recommended amount. If you overfill the tire, release air by pushing on the metal stem in the center check tire pressure levels. The TPMS sensors monitor the air pressure in your vehicle's tires and transmit tire pressure readings to a receiver located - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 379
properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the to this system by other than an authorized service facility could void authorization to use this equipment. 5-67 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 380
, the TPMS illuminates the low tire pressure warning light located on the instrument panel cluster. At the same time a message to check the pressure in a specific tire appears on the Driver Information Center (DIC) display. The low tire pressure warning light and the DIC warning message come on at - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 381
DIC warning message come on at each ignition cycle until the problem is corrected. Some of the conditions that can cause the malfunction light and DIC message to come on are: • One of the road tires has been replaced with the spare tire. The spare tire does not have a TPMS sensor. The TPMS - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 382
, a pencil-style air pressure gage, or a key. • Replacement tires or wheels do not match your vehicle's original equipment tires or wheels. Tires and wheels other than those recommended See your dealer/retailer for service if the TPMS malfunction light and DIC message comes on and stays on. 5-70 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 383
five minutes to match all four tire and wheel positions the matching process stops and you need to start over. The TPMS sensor matching process is outlined below: 1. Set the parking brake. 2. Turn the ignition switch to ON/RUN with the engine off. 3. Press the Remote Keyless Entry (RKE) transmitter - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 384
soon as possible and check wheel alignment. Also check for damaged tires or wheels. See When It Is Time for New Tires on page 5-73 and Wheel Replacement on page 5-78 Make certain that all wheel nuts are properly tightened. See "Wheel Nut Torque" under Capacities and Specifications on page 5-116. 5-72 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 385
wheel, or on the parts to which it is fastened, can make wheel nuts become loose after time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from places where the wheel tires is to check the treadwear indicators, size or location of the damage. 5-73 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 386
brake system performance, ride and handling, traction control, and tire pressure monitoring performance. GM's TPC Spec number is molded onto the tire's sidewall near the tire size when the tires were new. Replacing less than a full set of tires can affect the braking and handling performance of your - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 387
only radial-ply tires with the wheels on your vehicle. If you must replace your vehicle's tires with those that do not have a TPC Spec number, make sure they are the same size, load range, speed rating, information about the Tire and Loading Information Label and its location on your vehicle. 5-75 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 388
size than your original equipment wheels and tires, this could affect the way your vehicle performs, including its braking, ride and handling characteristics, stability, and resistance to rollover. Additionally, if your vehicle has electronic systems such as anti-lock brakes, rollover airbags - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 389
the norm due to variations in driving habits, service practices, and differences in road characteristics and climate. represent higher levels of performance on the laboratory test wheel than the minimum required by law. Warning: The is based on straight-ahead braking traction tests, and does not include - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 390
use the correct wheel, wheel bolts, and wheel nuts for replacement. Notice: The wrong wheel can also cause problems with bearing life, brake cooling, speedometer or odometer calibration, headlamp aim, bumper height, vehicle ground clearance, and tire or tire chain clearance to the body and chassis - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 391
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, re-adjust or remove the device if it is contacting your vehicle, and do not spin your wheels. If you do find traction devices that - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 392
tires properly. If air goes out of a wheel firmly. Steer to maintain lane position, and then gently brake to a stop well out of the traffic lane. A rear blowout, particularly on a curve, acts much like a skid and may require the same correction you would use in a skid. In any rear blowout remove - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 393
a flat tire, use the following example as a guide to assist you in the placement of wheel blocks. {CAUTION: Changing a tire can be dangerous. The vehicle from moving: 1. Set the parking brake firmly. 2. Put the shift lever in PARK (P). 3. Turn off the engine and do not restart while the vehicle is - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 394
to retain the storage bag and tools. To remove it, turn it counterclockwise. Use the jack handle extensions and the wheel wrench to remove the underbody-mounted spare tire. A. Wing Nut Retaining Wheel Blocks B. Wheel Blocks C. Retaining Bolt D. Jack E. Knob F. Tool Kit and Jack Tools G. Retaining - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 395
bumper. A. Spare Tire (Valve Stem Pointed Down) B. Hoist Assembly C. Hoist Cable D. Tire/Wheel Wheel Wrench I. Jack Handle Extensions J. Spare Tire Lock (If Equipped) 1. If your vehicle is equipped with a spare tire lock, insert the ignition key, turn it clockwise and then pull it to remove - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 396
tire not to lower. See Secondary Latch System on page 5-91. 5. Use the wheel wrench which has a hook that lets you pull the hoist cable toward you to assist cable to allow access to the tire/wheel retainer (D). Separate the retainer from the guide pin by sliding the retainer up the pin while pressing down - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 397
Flat Tire and Installing the Spare Tire Use the following pictures and instructions to remove the flat tire and raise the vehicle. Once the retainer is separated from the pin, tilt the retainer and pull it through the center of the wheel along with the cable and latch. 7. Put the spare tire near the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 398
2. Remove the center cap by placing the chisel end of the wheel wrench in the slot on the wheel and gently prying the cap out. 3. Use the wheel wrench to loosen all the wheel nuts. Turn the wheel wrench counterclockwise to loosen the wheel nuts. Do not remove the wheel nuts yet. 5-86 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 399
flat tire. If the flat tire is on the rear, position the jack under the rear axle between the spring anchor and the shock absorber bracket. {CAUTION: Raising your vehicle with the jack improperly sure to fit the jack lift head into the proper location before raising the vehicle. Front Position 5-87 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 400
5. Remove all the wheel nuts and take off the flat tire. Rear Position 5-88 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 401
{CAUTION: Rust or dirt on a wheel, or on the parts to which it is fastened, can make wheel nuts become loose after time. The wheel could come off and cause an accident. When you change a wheel, remove any rust or dirt from places where the wheel attaches to the vehicle. In an emergency, you can use - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 402
replace them, be sure to get new original equipment wheel nuts. Stop somewhere as soon as you can and have the nuts 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 nuts - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 403
94. To release the spare tire from the secondary latch: 1. Check under the vehicle to see if the cable end is visible. follow the instructions listed next. 2. If it is visible, first try to tighten the cable by turning the wheel wrench clockwise Removing the Spare Tire and Tools on page 5-82. 5-91 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 404
the wheel blocks on their shortest ends, with the backs facing each other. 7. Place the bottom edge of the jack (A) on the wheel blocks (B), separating them so that the jack is balanced securely. 8. Attach the jack handle, extension, and wheel wrench to the jack and place it (with the wheel - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 405
Disconnect the jack handle from the jack and carefully remove the jack. Use one hand to push against wheel wrench into the hoist shaft hole in the bumper and turn the wheel wrench counterclockwise to lower the spare the rest of the way. 9. Position the center lift point of the jack under the center - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 406
it through the wheel opening. Pull the tire out from under the vehicle. 15. Turn the wheel wrench in the hoist shaft hole in the bumper clockwise to raise the assembly until it has been replaced. To continue changing the flat tire, see Removing the Flat Tire and Installing the Spare Tire on page 5-85. - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 407
2. Separate the tire/wheel retainer (D) from the guide pin. Pull the pin through the center of the wheel. Tilt the retainer down and through the center wheel opening. Make sure the retainer is fully seated across the underside of the wheel. A. Flat or Spare Tire (Valve Stem Pointed Down) B. Hoist - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 408
wrench (H) and extensions (I) together, as shown. 4. Insert the hoist end (F) through the hole (G) in the rear bumper and onto the hoist shaft. Do not use the chiseled end of the wheel wrench. 7. Make sure the tire is stored securely. Push, pull (A), and then try to turn (B) the tire. If the tire - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 409
bracket (F). 5. Return them to their original location in the vehicle. For more information, refer to Removing the Spare Tire and Tools on page 5-82 for more information. A. Wing Nut B. Wheel Blocks C. Retaining Bracket and Wing Nut D. Wheel Wrench and Extensions E. Tool Bag F. Jack Mounting - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 410
tire. A spare tire may lose air over time, so check its inflation pressure regularly. See Inflation - Tire Pressure on page 5-65 and Loading Your Vehicle on page 4-34 for information regarding proper tire inflation and loading your vehicle. For instruction on how to remove, install or store a spare - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 411
instructions on the label. While cleaning your vehicle's interior, maintain adequate ventilation by opening your vehicle's doors and windows. Dust may be removed , about 20 drops per gallon (3.78 L) of water is a good guide. • Do not heavily saturate your upholstery while cleaning. • Damage to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 412
and then vacuum. To clean, use the following instructions: 1. Saturate a lint-free, clean white cloth with water or club soda. 2. Wring the cloth to remove excess moisture. 3. Start on the outside edge of the soil and gently rub toward the center. Continue cleaning, using a clean area of the cloth - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 413
. If a more thorough cleaning is necessary, a clean soft cloth dampened with a mild soap solution can be used to gently remove dust and dirt. Never use spot lifters or removers on plastic surfaces. Many commercial cleaners and coatings that are sold to preserve and protect soft plastic surfaces may - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 414
or nameplates on your vehicle. Check the cleaning product label. If it states that it should not be used on plastic parts, do not use it on instructions under Washing Your Vehicle on page 5-102. Finish Care Occasional waxing or mild polishing of your vehicle by hand may be necessary to remove - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 415
colored road oil parts should be cleaned regularly to keep their luster. Washing with water is all that is usually needed. However, you may use chrome polish on chrome or stainless steel trim, if necessary. Extreme dusty conditions Sand and salt Heat and sun Snow and ice, without proper removal - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 416
the surface. Do not use chrome polish on aluminum wheels. Notice: Using chrome polish on aluminum wheels could damage the wheels. The repairs would not be covered by your warranty. Use chrome polish on chrome wheels only. Use chrome polish only on chrome-plated wheels, but avoid any painted surface - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 417
replacement, make sure the body repair shop applies anti-corrosion material to parts repaired or replaced to restore corrosion protection. Original manufacturer replacement parts of purchase, whichever occurs first. Finish Damage Any stone chips, fractures or deep scratches in the finish should be - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 418
Cloth Tar and Road Oil Remover Chrome Cleaner and Polish White Sidewall Tire Cleaner Vinyl Cleaner Glass Cleaner Chrome Wheel Cleaner Usage Interior and exterior polishing cloth. Removes tar, road oil, and asphalt. Use on chrome or stainless steel. Removes soil and black marks from whitewalls and - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 419
Production options and special equipment Do not remove this label from the vehicle. Engine Identification The eighth character in the VIN is the engine code. This code helps you identify your vehicle's engine, specifications, and replacement parts. See Capacities and Specifications on page - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 420
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. If you ever have a problem on the road and don't have a spare - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 421
Fuse Block The instrument panel fuse block access door is located on the driver side edge of the instrument panel. Pull off the cover to access the fuse block. Fuses 1 2 3 4 5 6 Rear Seats Rear Accessory Power Outlet Steering Wheel Controls Backlight Driver Door Module Dome Lamps, Driver Side Turn - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 422
Panel Back Lighting Passenger Side Turn Signal, Stoplamp Passenger Door Module, Universal Home Remote System Power Door Lock 2 (Unlock Feature) Power Door Lock 2 (Lock Feature) Stoplamps, Center-High Mounted Stoplamp Rear Climate Controls Power Mirror Body Control Module (BCM) Accessory Power - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 423
Instrument Panel Fuse Block The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column. Harness Connector BODY 3 HEADLINER 3 HEADLINER 2 HEADLINER 1 Usage Body Harness Connector 3 Headliner Harness Connector 3 Headliner Harness Connector - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 424
underhood fuse block is located in the engine compartment, on the driver side of the vehicle. Lift the cover to access the fuse block. Notice: Spilling liquid on any electrical components on your vehicle may damage it. Always keep the covers on any electrical component. To remove fuses, hold the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 425
Brakes System 2 Trailer Back-up Lamps Driver Side Low-Beam Headlamp Engine Control Module (Battery) Fuel Injectors, Ignition Coils (Right Side) Transmission Control Module (Battery) Vehicle Back-up Lamps Passenger Side Low-Beam Headlamp Air Side High-Beam Headlamp Daytime Running Lights 2 5-113 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 426
Battery) Electric Adjustable Pedals Climate Controls (Battery) Airbag System (Ignition) Amplifier Audio System Miscellaneous (Ignition), Cruise Control Not Used Airbag System (Battery Mirror Center High-Mounted Stoplamp (CHMSL) Rear Defogger Heated Mirrors SEO B1 Upfitter Usage (Battery) Cigarette - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 427
Defogger Switched Power Heavy Duty Antilock Brake System Cooling Fan 2 Antilock Brake System 1 Starter Stud 2 (Trailer Brakes) Left Bussed Electrical Center 1 Not Used Heated Windshield Washer System Four-Wheel Drive System Stud 1 (Trailer Connector Battery Power) (Optional - 40A Fuse Required) Mid - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 428
qt 140 lbft 15.7 L 5.7 L† 98.4 L 5.7 L 1.4 L 190 Y Air Conditioning Refrigerant Cooling System Engine Oil with Filter Fuel Tank Transmission Fluid (Pan Removal and Filter Replacement) Transfer Case Fluid Wheel Nut Torque †Oil filter should be changed at every oil change. After refill, the level must - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 429
Section 6 Maintenance Schedule Owner Checks and Services ...6-9 At Each Fuel Fill ...6-9 At Least Once a Month ...6-10 At Least Once a Year ...6-10 Recommended Fluids and Lubricants ...6-12 Maintenance Replacement Parts ...6-14 Engine Drive Belt Routing ...6-15 Maintenance Record ...6-16 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 430
engine oil can even affect the quality of the air we breathe. Improper fluid levels or needs vary. You might need more frequent checks and replacements. So please read the following and note checks, inspections, replacement parts, and recommended fluids and lubricants as prescribed in this manual - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 431
Publications Ordering Information on page 7-15. Owner Checks and Services on page 6-9 tells you what should be checked, when to check it, and what you can easily do to help keep your vehicle in good condition. The proper replacement parts, fluids, and lubricants to use are listed in Recommended - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 432
When your vehicle is serviced, make sure these are used. All parts should be replaced and all necessary repairs done before you or anyone else drives the vehicle. We recommend the use of genuine parts from your dealer/retailer. Scheduled Maintenance When the CHANGE ENGINE OIL SOON message comes on, - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 433
, replace filter. See Engine Air Cleaner/Filter on page 5-17. See footnote (k). Rotate tires and check inflation pressures and wear. See Tire Inspection and Rotation on page 5-72 and "Tire Wear Inspection" in At Least Once a Month on page 6-10. Inspect brake system. See footnote (a). Check engine - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 434
system for loose or damaged components. Vehicles without a filter restriction indicator: Replace engine air cleaner filter. See Engine Air Cleaner/Filter on page 5-17. Change automatic transmission fluid and filter (severe service). See footnote (h). Change automatic transmission fluid and filter (normal - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 435
that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. # Lubricate the front suspension, steering linkage, and parking brake cable guides. Control arm ball joints are maintenance-free. (a) Visually inspect brake lines and hoses for proper - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 436
, cracks, chafing, etc. Visually check constant velocity joints, rubber boots, and axle seals for leaks. (c) Visually inspect hoses and have them replaced if they are cracked, swollen, or deteriorated. Inspect all pipes, fittings, and clamps; replace with genuine parts as needed. To help ensure proper - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 437
the engine not covered by your warranty. Check the engine oil level and add the proper oil if necessary. See Engine Oil on page 5-13. Engine Coolant Level Check Check the engine coolant level and add DEX-COOL® coolant mixture if necessary. See Engine Coolant on page 5-23. Owner Checks and Services - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 438
If the vehicle starts in any other position, contact your dealer/retailer for service. Tire Wear Inspection Tire rotation may be required for high mileage highway drivers prior to the Engine Oil Life System service notification. Check the tires for wear and, if necessary, rotate the tires. See Tire - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 439
the parking brake. See Parking Brake on page 2-32. Be ready to apply the regular brake immediately if the vehicle begins to move. 3. With the engine off, retailer if service is required. Parking Brake and Automatic Transmission Park (P) Mechanism Check {CAUTION: When you are doing this check, your - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 440
slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only. Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer/retailer. Fluid/Lubricant Engine oil - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 441
NLGI #2, Category LB or GC-LB. SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification GM 9985830. Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474). Usage Body Door Hinge Pins, Tailgate Hinge and Linkage, Folding - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 442
Maintenance Replacement Parts Replacement parts identified below by name, part number, or specification can be obtained from your GM dealer. Maintenance Replacement Parts Part Engine Air Cleaner/Filter Oil Filter Spark Plugs Wiper Blades Front - 21.6 inches (55.0 cm) 15930910 - GM Part Number - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 443
Engine Drive Belt Routing 6-15 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 444
are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. See Maintenance Requirements on page 6-2. Any additional information from Owner Checks and Services on page 6-9 can be added on the following record pages. You - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 445
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-17 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 446
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-18 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 447
Government ...7-15 Reporting Safety Defects to General Motors ...7-15 Service Publications Ordering Information ...7-15 Vehicle Data Recording and Privacy and Information ...7-2 Customer Satisfaction Procedure ...7-2 Online Owner Center ...7-4 Customer Assistance for Text Telephone (TTY) Users - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 448
If the matter has already been reviewed with the sales, service or parts manager, contact the owner of the dealership or the general the windshield. • Dealership name and location. • Vehicle delivery date and present mileage. When contacting GMC, please remember that your concern will likely - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 449
to binding arbitration of owner disputes involving factory-related vehicle service claims. The program provides for the review of the facts Motor Vehicle Arbitration Plan (CAMVAP), call toll-free 1-800-207-0685. Alternatively, you can call the General Motors Customer Communication Centre, 1-800-263- - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 450
. Specific vehicle information can be found in one place. The Online Owner Center allows you to: My GM Canada (Canada only) My GM Canada is of this owner manual. • Keep track of your vehicle's service history and maintenance schedule. • Find GM dealers/retailers for service nationwide. • Receive - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 451
: United States GMC Customer Assistance Center P.O. Box 33172 Detroit, MI 48232-5172 www.GMC.com 1-800-GMC-8782 (462-8782) 1-800-GMC-8583 (462-8583) (For Text Telephone devices (TTYs)) Roadside Assistance: 1-800-GMC-8782 (462-8782) Fax Number: 313-381-0022 All Overseas Locations Please contact the - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 452
vehicle's eligibility, visit gmmobility.com or call the GM Mobility Assistance Center at 1-800-323-9935. Text telephone (TTY) users, call 1-800 , 1-800-GMC-8782 (1-800-462-8782); (Text telephone (TTY): 1-888-889-2438). For vehicles purchased in Canada, call 1-800-268-6800. Service is available 24 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 453
, propane and other alternative fuels will not be provided through this service. • Jump Start: A battery jump start is covered at no charge if the vehicle does not start. • Trip Routing Service: Upon request, Roadside Assistance will send you detailed, computer personalized maps, highlighting - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 454
• Alternative Service covered. However, when other services location • Location of the vehicle. • Model, year, color, and license plate number of the vehicle • Odometer reading, Vehicle Identification Number (VIN), and delivery date of the vehicle • Description of the problem Towing and Road Service - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 455
part of or included in the coverage provided by the New Vehicle Limited Warranty. GMC customer support program for vehicles with the Bumper to Bumper service, unless, of course, the problem is safety-related. If it is, please call your dealership/retailer, let them know this, and ask for instructions - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 456
's area. Public Transportation or Fuel Reimbursement If your vehicle requires overnight warranty repairs, and public transportation is used instead of the dealer's shuttle service, the expense must be supported by original receipts and can only be up to the maximum amount allowed by GM for shuttle - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 457
and may not have been tested for your vehicle. As a result, these parts may fit poorly, exhibit premature durability/corrosion problems, and may not perform properly in subsequent collisions. Aftermarket parts are not covered by your GM New Vehicle Limited Warranty, and any vehicle failure related to - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 458
a collision repair center that has GM-trained technicians and comparable equipment. If your vehicle is leased, the leasing company may require you to have insurance that assures repairs with Genuine GM Original Equipment Manufacturer (OEM) parts or Genuine Manufacturer replacement parts. Read your - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 459
will be taking it. Get a card from the tow truck operator or write down the driver's name, the service's name, and the phone number. • Remove any valuables from your vehicle before it is towed away. Make sure this includes your insurance information and registration if you keep these items in - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 460
original GM parts. Remember, recycled parts will not be covered by your GM vehicle warranty. Insurance pays the bill for the repair, but you must live with the repair. Depending on your policy limits, your insurance company may initially value the repair using aftermarket parts. Discuss this - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 461
K1B 3V9 Service Publications Ordering Information Service Manuals Service Manuals have the diagnosis and repair information on engines, transmission, axle suspension, brakes, electrical, steering, body, etc. Service Bulletins Service Bulletins' give additional technical service information needed - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 462
how it is driven. For example, your vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy airbags in a crash and, if so equipped, to provide antilock braking to help the driver control the vehicle. These - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 463
in certain crash or near crash-like situations, such as an airbag deployment or hitting a road obstacle, data that will assist in understanding no personal data (e.g., name, gender, age, and crash location) is recorded. However, other parties, such as law brake pedal • How fast the vehicle was traveling 7-17 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 464
in response to an official request of police or similar government office; as part of GM's defense of litigation through the discovery process; or, as manual for information on stored data and for deletion instructions. OnStar® If your vehicle has OnStar and you subscribe to the OnStar services - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 465
an Airbag Inflate? ...1-61 All-Wheel Drive ...5-45 All-Wheel-Drive (AWD) System ...4-7 Antenna, Fixed Mast ...3-122 Antenna, XM™ Satellite Radio Antenna System ...3-122 Antilock Brake System (ABS) ...4-4 Antilock Brake, System Warning Light ...3-42 Appearance Care Aluminum or Chrome-Plated Wheels - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 466
5-57 5-55 5-74 B Battery ...5-39 Electric Power Management ...3-19 Run-Down Protection ...3-20 Brake Emergencies ...4-5 Brakes ...5-36 System Warning Light ...3-41 Braking ...4-3 Braking in Emergencies ...4-5 Break-In, New Vehicle ...2-22 Bulb Replacement ...5-52 Center High-Mounted Stoplamp (CHMSL - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 467
Check Engine Light ...3-44 Checking Things Under the Hood ...5-10 Chemical Paint Spotting ...5-105 Child 50 Where to Put the Restraint ...1-40 Cigarette Lighter ...3-21 Cleaning Aluminum or Chrome-Plated Wheels ...5-104 Exterior Lamps/Lenses ...5-102 Fabric/Carpet ...5-100 Finish Care ...5-102 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 468
Delayed Locking ...2-11 Disc, MP3 ...3-97, 3-102 Doing Your Own Service Work ...5-4 Dome Lamp Override ...3-18 Dome Lamps ...3-18 Door Delayed ...2-11 Rear Door Security Locks ...2-12 Rear Doors ...2-13 Driver Information Center (DIC) ...3-52 DIC Operation and Displays ...3-52, 3-58 DIC Vehicle - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 469
Engine Air Cleaner/Filter ...Check and Service Engine Soon Light ...Coolant ...Coolant Heater ...Coolant Temperature Gage ...Drive Belt Routing ...Engine Compartment Overview ...Exhaust ...Fan Noise ...Oil ...Oil Life System ...Overheated Protection Operating Mode ...Overheating ...Running While - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 470
Heater ...3-26 Highbeam On Light ...3-50 Highway Hypnosis ...4-27 Hill and Mountain Roads ...4-27 Hood Checking Things Under ...5-10 Release ...5-11 Horn ...3-6 How to Wear Safety Belts Properly ...1-15 G Gage Engine Coolant Temperature ...3-43 Fuel ...3-51 Oil Pressure ...3-48 Speedometer ...3-35 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 471
Shoulder Belt ...LATCH System Child Restraints ...License Plate Lamps ...Light Airbag Readiness ...Antilock Brake System Warning ...Brake System Warning ...Charging System ...Cruise Control ...Fog Lamp ...Highbeam On ...Malfunction Indicator ...Oil Pressure ...5-59 3-19 3-18 3-18 3-17 3-19 1-29 1-24 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 472
Maintenance Replacement Parts ...6-14 Maintenance Requirements ...6-2 Owner Checks and Services ...6-9 Recommended Fluids and Lubricants ...6-12 Scheduled Maintenance ...6-4 Using ...6-2 Your Vehicle and the Environment ...6-2 Malfunction Indicator Light ...3-44 Manual, Using ...iii Manual Windows - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 473
Mode ...5-28 Owner Checks and Services ...6-9 Owners, Canadian ...ii O Odometer ...Odometer, Trip ...Off-Road Driving ...Off-Road Recovery ...Oil Engine ...Pressure Gage ...Pressure Light ...3-35 3-35 4-12 4-10 5-13 3-48 3-49 P Paint, Damage ...5-105 Park Aid ...2-43 Park Brake ...2-32 Park - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 474
...7-18 Radios ...3-76 Radio(s) ...3-79 Radios Navigation/Radio System, see Navigation Manual ...3-108 Rear Seat Audio ...3-118 Reception ...3-121 Setting the Clock ...3-77 Theft-Deterrent ...3-120 Reading Lamps ...3-19 Rear Axle ...5-46 Rear Door Security Locks ...2-12 Rear Doors ...2-13 Rear Seat - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 475
Systems ...1-70 Replacing Restraint System Parts After a Crash ...1-71 Retained Accessory Power (RAP) ...2-23 Roadside Assistance Program ...7-6 Rocking Your Vehicle to Get it Out ...4-32 Routing, Engine Drive Belt ...6-15 Running the Engine While Parked ...2-36 S Safety Belt Reminder Light ...3-36 - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 476
® System ...4-5 StabiliTrak® Indicator Light ...3-43 Start Vehicle, Remote ...2-8 Starting the Engine ...2-24 Steering ...4-8 Steering Wheel Controls, Audio ...3-120 Steering Wheel, Tilt Wheel ...3-6 Storage Areas Cargo Management System ...2-57 Center Console Storage Area ...2-57 Cupholder - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 477
Time, Setting ...3-77 Tire Pressure Light ...3-44 Tires ...5-58 Aluminum or Chrome-Plated Wheels, Cleaning ...5-104 Buying New Tires ...5-74 Chains ...5-79 Changing a Flat Tire ...5-81 Cleaning ...5-105 Different Size ...5-76 If a Tire Goes Flat ...5-80 Inflation - Tire Pressure ...5-65 Inspection - 2008 GMC Sierra 1500 Pickup | Owner's Manual - Page 478
107 Service Parts Identification Label ...5-107 Vehicle, Remote Start ...2-8 Ventilation Adjustment ...3-32 Visors ...2-18 Voltmeter Gage ...3-40 Wheels Alignment and Tire Balance ...5-78 Different Size ...5-76 Replacement ...5-78 Where to Put the Restraint ...1-40 Windows ...2-15 Manual ...2-15