2008 GMC Yukon Owner's Manual
2008 GMC Yukon Manual
2008 GMC Yukon manual content summary:
- 2008 GMC Yukon | Owner's Manual - Page 1
Vehicle ...4-2 Towing ...4-45 Service and Appearance Care ...5-1 Service ...5-3 Fuel ...5-5 Checking Things Under the Hood ...5-12 Rear Axle ...5-52 Four-Wheel Drive ...5-54 Front Axle ...5-55 Headlamp Aiming ...5-56 Bulb Replacement ...5-59 Windshield Wiper Blade Replacement ...5-62 Tires ...5-64 - 2008 GMC Yukon | Owner's Manual - Page 2
GMC, the GMC Truck Emblem, and the name YUKON are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles first sold in Canada ce guide en - 2008 GMC Yukon | Owner's Manual - Page 3
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 are a number of safety cautions in this book. A box with the word - 2008 GMC Yukon | Owner's Manual - Page 4
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 information relating to a specific component, control, message, gage, or indicator. iv - 2008 GMC Yukon | Owner's Manual - Page 5
See After an Airbag Inflates? ...1-84 Passenger Sensing System ...1-85 Servicing Your Airbag-Equipped Vehicle ...1-90 Adding Equipment to Your Airbag-Equipped Vehicle ...1-90 Restraint System Check ...1-92 Checking the Restraint Systems ...1-92 Replacing Restraint System Parts After a Crash ...1-93 - 2008 GMC Yukon | Owner's Manual - Page 6
the bar to unlock the seat. 2. Slide the seat to the desired position and release the bar. {CAUTION: You can lose control of the vehicle if you try to adjust a manual driver's seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when - 2008 GMC Yukon | Owner's Manual - Page 7
down. • Raise or lower the rear part of the seat cushion by moving the rear of the control up or down. • Raise or lower the entire seat by moving the entire control up or down. On seats with power reclining seatbacks, the control is located behind the power seat control on the outboard side of the - 2008 GMC Yukon | Owner's Manual - Page 8
Manual Lumbar Power Lumbar On vehicles with this feature, turn the knob forward or rearward to increase or decrease lumbar support. 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 - 2008 GMC Yukon | Owner's Manual - Page 9
the control when the lower seatback reaches the desired level of lumbar support. Your vehicle may have a memory function which allows seat settings to be saved and recalled. See Memory Seat, Mirrors, and Pedals on page 1-6 for more information. Keep in mind that as your seating position changes, as - 2008 GMC Yukon | Owner's Manual - Page 10
, and Pedals Your vehicle may have the memory package. The controls for this feature are located on the driver's door panel, and are used to program and recall memory settings for the driver's seat, outside mirrors, and the adjustable throttle and brake pedal. To save your positions in memory, do - 2008 GMC Yukon | Owner's Manual - Page 11
power seat controls, memory buttons, power mirror buttons, or adjustable pedal switch. If your dealer for service. Easy Exit Seat The control for this feature is located on the driver seat will move back. If the easy exit seat feature is programmed in the Driver Information Center (DIC), automatic - 2008 GMC Yukon | Owner's Manual - Page 12
Reclining Seatbacks {CAUTION: You can lose control of the vehicle if you try to adjust a manual driver's seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you do not want - 2008 GMC Yukon | Owner's Manual - Page 13
well back in the seat and wear your safety belt properly. On seats with manual reclining seatbacks, the lever used to operate them is located on position, do the following: 1. Lift the lever fully without applying pressure to the seatback and the seatback will return to the upright position. 2. - 2008 GMC Yukon | Owner's Manual - Page 14
Seatbacks Head Restraints If the seats have power reclining seatbacks, the control used to recline them is located on the outboard side of the seat behind the power seat control. • To recline the seatback, tilt the top of the control rearward. • To bring the seatback forward, tilt the top of the - 2008 GMC Yukon | Owner's Manual - Page 15
for the driver and passenger when the center seat is not used. Do not use it as a seating position when the seatback is folded down. Rear Seats Heated Seats If the rear seats have the heated seat feature, the buttons used to control this feature are located on the Rear Seat Audio (RSA - 2008 GMC Yukon | Owner's Manual - Page 16
has a 60/40 split bench, the seat(s) can be folded for additional cargo space or folded and tumbled for easy entry and exit to the third row will have either the manual fold and tumble feature or the automatic seat release fold and tumble feature. 2. Lift the lever, located on the outboard side of - 2008 GMC Yukon | Owner's Manual - Page 17
3. Lift the same lever again to release the rear of the seat from the floor. The seat will tumble forward. The seatback will fold forward automatically. Leaving the seatback in this position creates a flat load floor. If the seatback cannot fold flat, try moving the front seat forward and/or put the - 2008 GMC Yukon | Owner's Manual - Page 18
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. 3. Make sure the safety belt in the center seating position is not caught between the two seats and is not twisted. - 2008 GMC Yukon | Owner's Manual - Page 19
seat or the safety belts. Always unbuckle the safety belts and return them to their normal stowed position before folding a rear seat. 2. Lift the lever(s), located on the bottom rear of the second row seat(s) on the inboard side, to release the seatback. The seatback will fold forward. 3. Lift the - 2008 GMC Yukon | Owner's Manual - Page 20
must be in PARK (P) for this feature to work. 2. From the front seats, press one of the automatic seat release buttons located on the overhead console. Folding and Tumbling the Seat(s) {CAUTION: Automatically folding and tumbling the seat when someone is sitting in the seat, could cause injury - 2008 GMC Yukon | Owner's Manual - Page 21
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. 3. Make sure that the safety belt in the center seating position is not caught between the two seats and is not twisted - 2008 GMC Yukon | Owner's Manual - Page 22
Third Row Seats or Outside 2. Press the automatic seat release button located on the panel behind the rear doors. {CAUTION: Using the third bucket seats, the seatbacks can be reclined, the seats can be folded for additional cargo space, or folded and tumbled for easy entry and exit to the third row - 2008 GMC Yukon | Owner's Manual - Page 23
upright position, do the following: 1. Lift the lever fully without applying pressure to the seatback and the seatback will return to the upright position. pull on the seatback to make sure it is locked. 1. Lift the lever located on the outboard side of the seat. 2. Move the seatback to the desired - 2008 GMC Yukon | Owner's Manual - Page 24
Manual Fold and Tumble Feature Folding and Tumbling the Seat(s) To fold and tumble the seat, do the following: 1. Make , try moving the front seat forward and/or put the front seatback in the upright position. 2. Lift the lever, located on the outboard side of the seat, to release the seatback. 1-20 - 2008 GMC Yukon | Owner's Manual - Page 25
3. Lift the lever again to release the rear of the seat from the floor. The seat will tumble forward. Returning the Seat(s) to the Sitting Position To return the seat to the sitting position, do the following: 1. Pull the seat down until it latches to the floor. The seatback cannot be raised if the - 2008 GMC Yukon | Owner's Manual - Page 26
or the safety belts. Always unbuckle the safety belts and return them to their normal stowed position before folding a rear seat. 2. Lift the lever, located on the bottom rear of the second row seat on the inboard side, to release the seatback. The seatback will fold forward. 3. Lift the lever - 2008 GMC Yukon | Owner's Manual - Page 27
must be in PARK (P) for this feature to work. 2. From the front seats, press one of the automatic seat release buttons located on the overhead console. Folding and Tumbling the Seat(s) {CAUTION: Automatically folding and tumbling the seat when someone is sitting in the seat, could cause injury - 2008 GMC Yukon | Owner's Manual - Page 28
Returning the Seat(s) to the Sitting Position To return the seat to the sitting position, do the following: 1. Pull the seat down until it latches to the floor. The seatback cannot be raised if the seat is not latched to the floor. Folding and Tumbling the Second Row Seat(s) from the Third Row Seats - 2008 GMC Yukon | Owner's Manual - Page 29
2. Press the automatic seat release button located on the panel behind the rear doors. Folding the Seatback(s) To fold the seatback, do the following: 1. Open the liftgate to access the controls for the seat. 2. Remove all items on the seat cushion. Notice: Folding a rear seat with the safety belts - 2008 GMC Yukon | Owner's Manual - Page 30
into the upright position. Tumbling the Third Row Seat The seat can be tumbled forward for additional cargo space. To tumble the seat, do the following: 1. Open the liftgate to access the controls for the seat. 2. Make sure the head rests are completely lowered, there is nothing under, in front - 2008 GMC Yukon | Owner's Manual - Page 31
controls for the seat. 2. Make sure there is nothing that could become trapped under the seat. 3. Release the seat from the tumbled position by lifting the lever located . Put the seat in this position only when necessary for additional cargo space. 4. Pull the seat down until it latches to the - 2008 GMC Yukon | Owner's Manual - Page 32
handle, located at the rear of the seat, rearward. 4. Roll the seat out of the vehicle. There is a track in the floor to guide the seat wheels out Open the liftgate to access the controls for the seat. 2. Fold the seatback forward using the instructions listed under "Folding the Seatbacks" - 2008 GMC Yukon | Owner's Manual - Page 33
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. 7. Make sure the safety belts are returned to the - 2008 GMC Yukon | Owner's Manual - Page 34
Safety Belts {CAUTION: Safety Belts: They Are for Everyone This part of the manual tells you how to use safety belts properly. It also tells you some things you should not do with safety belts. It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a collision, people - 2008 GMC Yukon | Owner's Manual - Page 35
Why Safety Belts Work When you ride in or on anything, you go as fast as it goes. Put someone on it. Take the simplest vehicle. Suppose it is just a seat on wheels. 1-31 - 2008 GMC Yukon | Owner's Manual - Page 36
Get it up to speed. Then stop the vehicle. The rider does not stop. The person keeps going until stopped by something. In a real vehicle, it could be the windshield... 1-32 - 2008 GMC Yukon | Owner's Manual - Page 37
or the instrument panel... or the safety belts! With safety belts, you slow down as the vehicle does. You get more time to stop. You stop over more distance, and your strongest bones take the forces. That is why safety belts make such good sense. 1-33 - 2008 GMC Yukon | Owner's Manual - Page 38
things beyond your control, such as bad drivers. Most accidents occur within 25 miles (40 km) of home. And the greatest number of serious injuries you are upside down. Q: If my vehicle has airbags, why should I have to wear safety belts? A: Airbags are supplemental systems only; so they work with - 2008 GMC Yukon | Owner's Manual - Page 39
protection. It is very important for all occupants to buckle up. Statistics show that unbelted people are hurt more often in crashes than those who are wearing 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 - 2008 GMC Yukon | Owner's Manual - Page 40
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. 1-36 - 2008 GMC Yukon | Owner's Manual - Page 41
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 Yukon | Owner's Manual - Page 42
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 Yukon | Owner's Manual - Page 43
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, pelvic bones, and that could cause serious or fatal injuries. Be sure the belt goes under the armrests. A: The belt is over an armrest. 1-39 - 2008 GMC Yukon | Owner's Manual - Page 44
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 Yukon | Owner's Manual - Page 45
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. 1-41 - 2008 GMC Yukon | Owner's Manual - Page 46
. 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. 1-42 - 2008 GMC Yukon | Owner's Manual - Page 47
seating positions in your vehicle have a lap-shoulder except for the center front passenger position, if your vehicle has one, which has a you pull the belt across you very quickly. If this happens, let the belt go back slightly to unlock it. Then pull the belt across you more slowly. If you ever - 2008 GMC Yukon | Owner's Manual - Page 48
section. To unlatch the belt, push the button on the buckle. The belt should go back out of the way. Before you close a door, be sure the belt is out of you can damage both the belt and your vehicle. 5. To make the lap part tight, pull up on the shoulder belt. It may be necessary to pull stitching - 2008 GMC Yukon | Owner's Manual - Page 49
see them, they are part of the safety belt assembly. They can help tighten the safety belts during the early stages of a moderate to severe frontal, near frontal, or rear crash if the threshold conditions for pretensioner activation are met. And, if your vehicle has side impact airbags, safety belt - 2008 GMC Yukon | Owner's Manual - Page 50
on a shoulder belt, the comfort guide positions the belt away from the neck and head. There is one guide for each outside passenger position in the Here is how to install a comfort guide to the safety belt: Third Row If your vehicle has a third row, remove the guide from its storage pocket on the - 2008 GMC Yukon | Owner's Manual - Page 51
2. Place the guide over the belt, and insert the two edges of the belt into the slots of the guide. 3. Be sure that the belt is not twisted and it lies flat. The elastic cord must be under the belt and the guide on top. 1-47 - 2008 GMC Yukon | Owner's Manual - Page 52
belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. 4. Buckle, position comfort guide, squeeze the belt edges together so that you can take them out of the guide. Slide the guide into its storage clip on the interior body or - 2008 GMC Yukon | Owner's Manual - Page 53
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 1-43. 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 Yukon | Owner's Manual - Page 54
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 Yukon | Owner's Manual - Page 55
instructions that come with the booster seat, state the weight and height limitations for that booster. Use a booster seat with a lap-shoulder belt until the child passes the below fit test: • Sit all the way back safety belt comfort guide. See "Rear Safety Belt Comfort Guides" under Lap-Shoulder - 2008 GMC Yukon | Owner's Manual - Page 56
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 1-43. According to accident statistics, children and infants are safer when properly restrained in the rear seating - 2008 GMC Yukon | Owner's Manual - Page 57
{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 Yukon | Owner's Manual - Page 58
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 every Canadian province - 2008 GMC Yukon | Owner's Manual - Page 59
it inflates can be seriously injured or killed. Airbags plus lap-shoulder belts offer protection for adults and older children, 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 - 2008 GMC Yukon | Owner's Manual - Page 60
support, 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 the strongest part of an infant's body, the back and shoulders. . The restraint manufacturer's instructions that come with the - 2008 GMC Yukon | Owner's Manual - Page 61
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 facing infant seat (A) provides restraint with the seating surface against the back of the infant. The harness system holds the infant in place - 2008 GMC Yukon | Owner's Manual - Page 62
the child restraint is properly installed in the vehicle using the vehicle's safety belt or LATCH system, following the instructions that came with that restraint, and also the instructions in this manual. To help reduce the chance of injury, the child restraint must be secured in the vehicle. Child - 2008 GMC Yukon | Owner's Manual - Page 63
restraint which may be on the restraint itself or in a booklet, or both, and to this manual. The child restraint instructions are important, so if they are not available, obtain a replacement copy from the manufacturer. Keep in mind that an unsecured child restraint can move around in a collision - 2008 GMC Yukon | Owner's Manual - Page 64
Where to Put the Restraint Accident statistics show that children are safer if they are restrained in killed if the right front passenger's airbag inflates. This is because the back of the rear-facing child restraint would be very close to the inflating airbag. Even though the passenger sensing system - 2008 GMC Yukon | Owner's Manual - Page 65
frontal airbags if they inflate. Never secure a child restraint in the center front seat. It is always better to secure a child restraint in a rear seat. Do not use child restraints in the center front seat position. When securing a child restraint in a rear seating position, study the instructions - 2008 GMC Yukon | Owner's Manual - Page 66
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 Yukon | Owner's Manual - Page 67
Canada, the law requires that forward-facing child restraints have a top tether, and that the tether be attached. Be sure to read and follow the instructions with top tether anchors. Lower Anchor and Top Tether Anchor Locations Second Row - Bucket i (Top Tether Anchor): Seating positions - 2008 GMC Yukon | Owner's Manual - Page 68
using the same top tether anchor. For models with 60/40 second row seating, the rear right side passenger and center seating positions have exposed metal anchors located in the crease between the seatback and the seat cushion. For models with second row bucket seats, both rear seating positions - 2008 GMC Yukon | Owner's Manual - Page 69
tether anchor. For vehicles with a three passenger third row seat, there is one top tether anchor located at the bottom rear of the seat cushion that can be used for either the third row center or driver side seating position. Never install two top tethers using the same top tether anchor. 1-65 - 2008 GMC Yukon | Owner's Manual - Page 70
tether be attached, or if the instructions that come with the child restraint say that the top tether must be attached. Accident statistics show that children are safer if they the restraint, following the instructions that came with that restraint, and also the instructions in this manual. 1-66 - 2008 GMC Yukon | Owner's Manual - Page 71
that there is no contact between the child restraint LATCH attachment parts and the vehicle's safety belt assembly. Folding an empty rear safety belts. Refer to your child restraint manufacturer instructions and the instructions in this manual. 1.1. Find the lower anchors for the desired - 2008 GMC Yukon | Owner's Manual - Page 72
and the following steps: 2.1. Find the top tether anchor. 2.2. Route, attach and tighten the top tether according to your child restraint instructions and the following instructions: If the position you are using does not have a headrest or head restraint and you are using a single tether, route the - 2008 GMC Yukon | Owner's Manual - Page 73
top tether anchor locations. Do not secure a child restraint in a position without a top tether anchor if a national or 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 anchored. In Canada, the law requires - 2008 GMC Yukon | Owner's Manual - Page 74
on page 1-60. 1. Put the child restraint on the seat. 2. Pick up the latch plate, and run the lap and shoulder portions of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 4. Pull the rest of the shoulder belt all the way out of the - 2008 GMC Yukon | Owner's Manual - Page 75
back into the retractor. If you are using a forward-facing child restraint, you may find it helpful to use your knee to push down on the child restraint as you tighten the belt. {CAUTION: A child in a child restraint in the center front seat can be badly injured or killed by the frontal airbags - 2008 GMC Yukon | Owner's Manual - Page 76
right front passenger's frontal airbag under certain conditions. See Passenger Sensing System on page 1-85 and Passenger Airbag Status Indicator on page front passenger's airbag inflates. This is because the back of the rear-facing child restraint would be very close to the inflating airbag. Even - 2008 GMC Yukon | Owner's Manual - Page 77
61 for top tether anchor locations. Do not secure a child seat in a position without a top tether anchor if a national or 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 anchored. In Canada, the law requires - 2008 GMC Yukon | Owner's Manual - Page 78
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. 1-74 - 2008 GMC Yukon | Owner's Manual - Page 79
the seat such as blankets, cushions, seat covers, seat heaters or seat massagers before reinstalling 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 - 2008 GMC Yukon | Owner's Manual - Page 80
seat, it will have a third row roof-rail airbag. All of the airbags in your vehicle will have the word AIRBAG embossed in the trim 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 - 2008 GMC Yukon | Owner's Manual - Page 81
Safety belts help keep you in position before and during a crash. Always wear your safety belt, even with airbags. The driver should sit as far back as possible while still maintaining control of the vehicle. Occupants should not lean on or sleep against the door or side windows in seating positions - 2008 GMC Yukon | Owner's Manual - Page 82
the instrument panel cluster, which shows the airbag symbol. The driver's frontal airbag is in the middle of the steering wheel. 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 3-40 for more - 2008 GMC Yukon | Owner's Manual - Page 83
Driver Side shown, Passenger Side similar The right front passenger's frontal airbag is in the instrument panel on the passenger's side. If your vehicle has roof-rail airbags for the driver, right front passenger, and second row outboard passengers, they are in the ceiling above the side windows. - 2008 GMC Yukon | Owner's Manual - Page 84
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 - 2008 GMC Yukon | Owner's Manual - Page 85
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 Yukon | Owner's Manual - Page 86
or because of what the repair costs were. For frontal airbags, inflation 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 - 2008 GMC Yukon | Owner's Manual - Page 87
from the inflator. Gas from the inflator fills the airbag causing 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 - 2008 GMC Yukon | Owner's Manual - Page 88
out of the windshield or being able to steer the 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 - 2008 GMC Yukon | Owner's Manual - Page 89
protect you in another crash. A 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 has a crash sensing and diagnostic module which records information after a crash. See Vehicle Data Recording - 2008 GMC Yukon | Owner's Manual - Page 90
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 statistics show that children - 2008 GMC Yukon | Owner's Manual - Page 91
the on indicator is still lit, check to make sure that the vehicle such as blankets, cushions, seat covers, seat heaters, or seat airbag to be enabled, the on indicator will light and stay lit to remind you that the airbag if there is a critical problem with the airbag system or the passenger sensing - 2008 GMC Yukon | Owner's Manual - Page 92
frontal airbag, depending upon the person's seating posture and body build such as blankets, cushions, seat covers, seat heaters or seat massagers and ask sit upright in the seat, centered on the seat cushion, with the braking, which helps the passenger sensing system maintain the passenger airbag - 2008 GMC Yukon | Owner's Manual - Page 93
seat may not have the protection of the airbag(s). See Airbag Readiness Light on page 3-40 for more on this, including important safety information. A thick layer of additional material, such as a blanket or cushion, or aftermarket equipment such as seat covers, seat heaters, and seat massagers can - 2008 GMC Yukon | Owner's Manual - Page 94
. 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 module, or airbag - 2008 GMC Yukon | Owner's Manual - Page 95
are in Step Two of the Customer Satisfaction Procedure in this manual. See Customer Satisfaction Procedure on page 7-2. In addition, your dealer/retailer and the service manual have information about the location of the airbag sensors, sensing and diagnostic module and airbag wiring. 1-91 - 2008 GMC Yukon | Owner's Manual - Page 96
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 of the airbag modules, see What Makes an Airbag Inflate? on page 1-83. See your dealer/retailer for service. 1-92 - 2008 GMC Yukon | Owner's Manual - Page 97
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 Yukon | Owner's Manual - Page 98
✍ NOTES 1-94 - 2008 GMC Yukon | Owner's Manual - Page 99
That Burn ...2-46 Engine Exhaust ...2-47 Running the Engine While Parked ...2-48 Mirrors ...2-49 Automatic Dimming Rearview Mirror with OnStar®, Compass and Temperature Display ...2-49 Automatic Dimming Rearview Mirror with Compass and Temperature Display ...2-52 Outside Manual Mirrors ...2-54 - 2008 GMC Yukon | Owner's Manual - Page 100
Section 2 Features and Controls Storage Areas ...2-71 Glove Box ...2-71 Cupholder(s) ...2-71 Center Console Storage ...2-71 Luggage Carrier ...2-72 Rear Storage Area ...2-73 Rear Seat Armrest ...2-73 Cargo Cover ...2-73 Sunroof ...2-74 Object Detection Systems ...2-58 Ultrasonic Rear Parking - 2008 GMC Yukon | Owner's Manual - Page 101
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 and they could be seriously injured or killed if - 2008 GMC Yukon | Owner's Manual - Page 102
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 Yukon | Owner's Manual - Page 103
vehicle is running. As a result, you may need to be closer to your vehicle to turn it off than you were to start it. There are other conditions which can your vehicle has this feature, press / to start the engine from outside the vehicle using the RKE transmitter. See Remote Vehicle Start on - 2008 GMC Yukon | Owner's Manual - Page 104
the Driver Information Center (DIC), the the exterior lights will turn on briefly if it is dark enough outside. See "Approach Lighting" under DIC opening and closing. L (Vehicle Locator/Panic Alarm): Press and release Lto locate your vehicle. The turn signal RUN or Lis pressed again. The ignition must be - 2008 GMC Yukon | Owner's Manual - Page 105
and Displays (Without DIC Buttons) on page 3-61 for instructions on how to match RKE transmitters to your vehicle. Battery Replacement Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See "REPLACE BATTERY IN REMOTE KEY" under DIC Warnings and Messages on page - 2008 GMC Yukon | Owner's Manual - Page 106
engine from outside of the vehicle. It may also start up the vehicle's heating or air conditioning systems and rear window defogger. Normal operation of the system will return after the key is turned to the ON/RUN position. If your vehicle has an automatic climate control so. Check local regulations - 2008 GMC Yukon | Owner's Manual - Page 107
button until the turn signal lights flash. If you cannot see the vehicle's lights, press and hold the switch on and then off. The vehicle can be remote started two separate times between driving sequences. The engine will run for 10 minutes after each remote start. Or, you can extend the engine run - 2008 GMC Yukon | Owner's Manual - Page 108
is not closed, or if there is an emission control system malfunction and the check engine light is displayed. Also, the engine will turn off during a remote vehicle start if the coolant temperature gets too high or if the oil pressure gets low. Vehicles that have the remote vehicle start feature - 2008 GMC Yukon | Owner's Manual - Page 109
ignition. You can program this feature using the Driver Information Center (DIC). See DELAY DOOR LOCK under DIC Vehicle Customization (With DIC Buttons) on page 3-72. Power Door Locks The power door lock switches are located on the front doors. K (Unlock): Q (Lock): Programmable Automatic Door - 2008 GMC Yukon | Owner's Manual - Page 110
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) transmitter, if the rear doors must be open to access them. The label showing lock and unlock positions is located near the lock. To set the locks, do the - 2008 GMC Yukon | Owner's Manual - Page 111
must pass through the seal between the body and the liftglass or liftgate: • Control System on page 3-26. CAUTION: (Continued) • If you have air outlets on or under the instrument panel, open them all the way. • If your vehicle has a power liftgate, disable the power liftgate function. See Engine - 2008 GMC Yukon | Owner's Manual - Page 112
wipers are in motion. Attempting to open the liftgate or liftglass while the rear wipers wipers are moved off the liftglass. Both the liftglass and liftgate have an electric latch. If the battery operation when the battery is reconnected and the RKE. If the battery is properly connected and has - 2008 GMC Yukon | Owner's Manual - Page 113
seal between the body and the liftgate: air into your vehicle. See Climate Control located on the center console. The vehicle must be in PARK (P) to use the power liftgate feature. &: Press the top of the button to open or close the power liftgate. OFF: Press the bottom of the button for manual - 2008 GMC Yukon | Owner's Manual - Page 114
the liftgate without checking for overhead obstructions such as a garage door, you could damage the liftgate or the liftgate glass. Always check to make sure on the center console. • Pressing the touchpad switch on the outside liftgate handle. Pressing the buttons, or touchpad switch a second time - 2008 GMC Yukon | Owner's Manual - Page 115
. If you power open the liftgate and the liftgate support struts have lost pressure, the lights will flash and a chime will sound. The liftgate will stay open temporarily, then slowly close. See your dealer/retailer for service before using the liftgate. Obstacle Detection Features If the liftgate - 2008 GMC Yukon | Owner's Manual - Page 116
boards will automatically move back under the vehicle after a brief delay. The vehicle must not be moving for the running boards to extend or retract. The switch used to disable the power running boards is located on the center console below the climate control system. The running boards cannot be - 2008 GMC Yukon | Owner's Manual - Page 117
Windows {CAUTION: Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with - 2008 GMC Yukon | Owner's Manual - Page 118
The power window controls are located on each of switches that control the passenger and rear windows. The power windows work when the ignition has been turned to ACCESSORY or RUN or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-27. Press the switch - 2008 GMC Yukon | Owner's Manual - Page 119
the switch to turn the lockout feature on or off. An indicator light will come on to show the lockout feature is on. Lighted Visor Vanity Mirror Your vehicle may have lighted visor vanity mirrors on both the driver's and passenger's sun visors. Pull the sun visor down and lift the mirror cover to - 2008 GMC Yukon | Owner's Manual - Page 120
vehicle has a number of theft-deterrent transmitter or the power door lock switch. The security light will come on to inform the driver the light should go off after about 30 seconds. The alarm is not armed until the security light goes battery power. Content Theft-Deterrent Your vehicle may - 2008 GMC Yukon | Owner's Manual - Page 121
door and wait for the security light to go out. 4. Then reach in through the window, unlock the door with the manual door lock and open the switch will not work. If the alarm does not sound when it should but the headlamps flash, check to see if the horn works. The horn fuse may be blown. To replace - 2008 GMC Yukon | Owner's Manual - Page 122
with Industry Canada. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This 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 Yukon | Owner's Manual - Page 123
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 Yukon | Owner's Manual - Page 124
the long run if you follow these guidelines: Ignition Positions Use the key to turn the ignition switch to 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 - 2008 GMC Yukon | Owner's Manual - Page 125
): 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 vehicle from starting. Do not operate your - 2008 GMC Yukon | Owner's Manual - Page 126
motor damage. To prevent gear damage, this system also prevents cranking if the engine is already running. Engine cranking can be stopped 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 - 2008 GMC Yukon | Owner's Manual - Page 127
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 switch used to - 2008 GMC Yukon | Owner's Manual - Page 128
can help in cold weather conditions at or below 0°F (−18°C) for easier starting and better fuel economy during engine warm-up. Plug 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 - 2008 GMC Yukon | Owner's Manual - Page 129
system allows the engine to operate on either all or half of its cylinders, depending on the driving conditions. When less -mode Hybrid, see the Two-mode Hybrid manual for more information. If your vehicle is has is turned to the ON/RUN position. There are several different positions for the - 2008 GMC Yukon | Owner's Manual - Page 130
you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle will not move, even when you are on fairly level ground, always set your parking brake and move the shift lever to PARK (P). See Shifting Into PARK - 2008 GMC Yukon | Owner's Manual - Page 131
. You could lose control and hit people or objects. Do not shift into a drive gear while your engine is running at high speed. Notice: Shifting out of PARK (P) or NEUTRAL (N) with the engine running at high speed may damage the transmission. The repairs would not be covered by your warranty. Be sure - 2008 GMC Yukon | Owner's Manual - Page 132
of Control on page 4-12. Your vehicle has a shift stabilization feature that adjusts the transmission shifting to the current driving conditions in order to reduce rapid upshifts and downshifts. This shift stabilization feature is designed to determine, before making an upshift, if the engine is - 2008 GMC Yukon | Owner's Manual - Page 133
help control your speed as you go down steep mountain roads, but then you would also want to use the brakes off and on. If you manually select SECOND (2) in an automatic transmission, the transmission will start in second gear. You can use this feature for reducing the speed of the rear wheels when - 2008 GMC Yukon | Owner's Manual - Page 134
to driving conditions. This means that all gears below that number are available. When FIFTH (5) is selected, FIRST (1) through FIFTH (5) gears are automatically 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 - 2008 GMC Yukon | Owner's Manual - Page 135
Tow/Haul indicator light will come on. Tow/Haul Mode The Tow/Haul mode works with the Autoride® feature, if the vehicle has this, to enhance the ride when trailering or with a loaded vehicle. See Autoride® on page 4-49. Your vehicle has a Tow/Haul mode. The selector button is located on the end - 2008 GMC Yukon | Owner's Manual - Page 136
four-wheel drive. You can choose among five driving settings: Indicator lights in the switches show you which setting you are in. The indicator lights lights do not come on, you should take your vehicle in for service. An indicator light will flash while shifting. Fast flashing means the conditions - 2008 GMC Yukon | Owner's Manual - Page 137
. Your front axle is not engaged in two-wheel drive. This setting also provides the best fuel economy. AUTO (Automatic Four-Wheel Drive): This setting is ideal for use when road surface traction conditions are variable. When driving your vehicle in AUTO, the front axle is engaged, but the vehicle - 2008 GMC Yukon | Owner's Manual - Page 138
and bump when shifting between Four-Wheel Drive Low and Four-Wheel Drive High ranges or from NEUTRAL while the engine is running. If the knob is turned to the Four-Wheel Drive Low position when your vehicle is in gear and/or moving, the Four-Wheel Drive Low indicator light will flash for 30 seconds - 2008 GMC Yukon | Owner's Manual - Page 139
High ranges or from NEUTRAL while the engine is running. If the knob is turned to the Four-Wheel Drive High, AUTO, or Two-Wheel Drive High switch position when your vehicle is in gear and/or moving, the Four-Wheel Drive High, AUTO or Two-Wheel Drive High indicator light will flash for 30 seconds but - 2008 GMC Yukon | Owner's Manual - Page 140
and apply the regular brake pedal. 2. Shift the transmission to NEUTRAL (N) and turn the ignition to ON/RUN with the engine off. 3. Turn the transfer case dial to the desired transfer case shift position (Two-Wheel Drive High, Four-Wheel Drive High, AUTO). After the transfer case has shifted out - 2008 GMC Yukon | Owner's Manual - Page 141
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 Yukon | Owner's Manual - Page 142
be dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your vehicle will not move - 2008 GMC Yukon | Owner's Manual - Page 143
the engine running unless you have to. If you have to leave your vehicle with the engine running, be sure your vehicle is in PARK (P) and the parking brake parking brake. If torque lock does occur, you may need to have another vehicle push yours a little uphill to take some of the pressure from - 2008 GMC Yukon | Owner's Manual - Page 144
unless the ignition is in ON/RUN or ACC/ACCESSORY and the regular brake pedal is applied. The shift lock release is always functional except in the case of an uncharged or low voltage (less than 9 volt) battery. If your vehicle has an uncharged battery or a battery with low voltage, try charging or - 2008 GMC Yukon | Owner's Manual - Page 145
CAUTION: (Continued) {CAUTION: Engine exhaust can kill. It contains the gas carbon monoxide (CO), which you cannot see or smell. It can cause unconsciousness and death. You might have - 2008 GMC Yukon | Owner's Manual - Page 146
, idling in a closed-in place can let deadly carbon monoxide (CO) into your vehicle even if the climate control fan is at the highest setting. One place this can happen is a garage. Exhaust - with CO - can come in easily. NEVER park in a garage with the engine running. Another closed-in place can be - 2008 GMC Yukon | Owner's Manual - Page 147
display in the upper right corner of the mirror face that shows the compass reading and the outside temperature. Control buttons for the OnStar® system are at the bottom of the mirror. See OnStar® System on page 2-60 for more information about the services OnStar® provides. P (On/Off): This is the - 2008 GMC Yukon | Owner's Manual - Page 148
located Press the button again to change the display to the desired display does not show a compass heading, mount, magnetic note pad holder, or a similar back on, press the on/off button. The indicator light on the mirror is lit when the automatic dimming feature is on. Compass Variance The mirror - 2008 GMC Yukon | Owner's Manual - Page 149
To adjust for compass variance: 1. Find your current location and variance zone number on the following zone map. 3. Keep pressing the on/off , the new zone number will be locked in and the compass/temperature display will return. Cleaning the Mirror When cleaning the mirror, use a paper - 2008 GMC Yukon | Owner's Manual - Page 150
light to the left of the button will turn on to indicate when the feature is on. Once the mirror is turned off, it will remain off until it is turned back alternate ve seconds, the display does not show a compass heading, N for magnetic antenna mount, magnetic note pad holder, or a similar magnetic - 2008 GMC Yukon | Owner's Manual - Page 151
in the mirror compass windows. variance: 1. Find your current location and variance zone number on the following zone map. Compass Variance The mirror is set in zone eight number appears in the display. 3. Press the compass/temperature button on the bottom of the mirror until the new zone number - 2008 GMC Yukon | Owner's Manual - Page 152
areas. The use of hood-mounted air deflectors and add-on convex mirror attachments may adversely affect mirror performance. If your vehicle has trailer towing type mirrors, they can be adjusted so you can have a clear view of the objects behind you. Manually pull out the mirror head to extend it for - 2008 GMC Yukon | Owner's Manual - Page 153
is heated. The lower convex part of the mirror is not heated. Your mirror may also have a turn signal arrow that will flash in the direction of the turn or lane change. To adjust each mirror, press one of the four arrows located on the control pad to move the mirror in the direction you want it - 2008 GMC Yukon | Owner's Manual - Page 154
press the arrows located on the four-way control pad to adjust the mirror. Press (B) again to deselect this mirror. Turn Signal Indicator Your vehicle may have a turn signal indicator on the mirror. An arrow on the mirror will flash in the direction of the turn or lane change. • Press (C), to fold - 2008 GMC Yukon | Owner's Manual - Page 155
right. Check your inside mirror or glance over your shoulder before changing lanes. The passenger side mirror may have convex glass. A convex mirror's surface away than they really are. Park Tilt Mirrors If your vehicle has the memory package, the outside mirrors are able to perform the park tilt - 2008 GMC Yukon | Owner's Manual - Page 156
/h). It can determine how close objects are to the rear bumper, up to 8 feet (2.5 m) behind your vehicle. The distance sensors are located on the rear bumper. CAUTION: (Continued) If you do not use proper care before and while backing; vehicle damage, injury, or death could occur. Even with URPA - 2008 GMC Yukon | Owner's Manual - Page 157
your rear bumper. This distance lights amber/amber/red lights amber/amber/red lights flashing and beep for three seconds English 8 ft 40 in 23 in 1 ft Metric 2.5 m 1.0 m 0.6 m 0.3 m The system can be disabled by pressing the rear park aid disable button located next to the radio. The indicator light - 2008 GMC Yukon | Owner's Manual - Page 158
to Work Properly • The driver disables the system. • The parking brake pedal is depressed. • The ultrasonic sensors are not clean. Keep your vehicle's rear bumper free of mud, dirt, snow, ice and slush. For cleaning instructions, see Washing Your Vehicle on page 5-111. OnStar® System • A trailer - 2008 GMC Yukon | Owner's Manual - Page 159
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 Yukon | Owner's Manual - Page 160
Packages. Hands-Free Calling may also be linked to a Verizon Wireless service plan in the U.S. or a Bell Mobility service plan in Canada, depending on eligibility. To find out more, refer to the OnStar Owner's Guide -Free Calling. See Audio Steering Wheel Controls on page 3-128 for more information - 2008 GMC Yukon | Owner's Manual - Page 161
electrical system (including adequate battery 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 - 2008 GMC Yukon | Owner's Manual - Page 162
the Universal Home Remote System. If there are three round Light Emitting Diode (LED) indicator lights above the Universal Home Remote buttons, follow the instructions below. This system provides a way to replace up to three remote control transmitters used to activate devices such as garage door - 2008 GMC Yukon | Owner's Manual - Page 163
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 buttons should be erased for security purposes. See "Erasing - 2008 GMC Yukon | Owner's Manual - Page 164
that you would like to use to control the garage door until the garage door moves. The indicator light, above the selected button, should slowly 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 - 2008 GMC Yukon | Owner's Manual - Page 165
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 a row of dip switches similar to the graphic above, you have a Fixed Code garage door opener. If you do not see a row of dip switches, return to the - 2008 GMC Yukon | Owner's Manual - Page 166
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 switch settings on the motor head unit to program your Universal Home Remote. The motor - 2008 GMC Yukon | Owner's Manual - Page 167
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 complete Step - 2008 GMC Yukon | Owner's Manual - Page 168
After entering all of the switch positions, again, firmly press and release all three buttons at the same time. The indicator lights will turn on. 6. Press and hold the button you would like to use to control the garage door until the garage door moves. The indicator light above the selected button - 2008 GMC Yukon | Owner's Manual - Page 169
lever. Cupholder(s) Your vehicle may have cupholders located in the front and rear of the floor console or in the fold down armrest. The front in the rear floor console, pull downward on the lid. Center Console Storage Your vehicle may have a console compartment with cupholders between the - 2008 GMC Yukon | Owner's Manual - Page 170
. The luggage carrier has siderails attached to the roof. It may also have crossrails which can be moved back and forth to help secure cargo. Tie the load to the siderails or siderail supports. Notice: Loading cargo on the luggage carrier that weighs more than 200 lbs (91 kg) or hangs over the rear - 2008 GMC Yukon | Owner's Manual - Page 171
to access the cupholders. Cargo Cover {CAUTION: An improperly stored cargo cover could be thrown about the vehicle during a collision or sudden maneuver. You or others could be injured. If you remove the cover, always store it in the proper storage location. When you put it back, always be sure - 2008 GMC Yukon | Owner's Manual - Page 172
Retained Accessory Power (RAP) on page 2-27 for more information. There are two switches in the overhead console that operate the sunroof. Cargo Tie Downs Your vehicle may have cargo tie downs in the rear cargo area that allow you to strap cargo in and keep it from moving inside the vehicle. Manual - 2008 GMC Yukon | Owner's Manual - Page 173
switch a second time to open the sunroof to the full-open position. When the sunroof is opened, an air deflector will automatically raise. The air 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 - 2008 GMC Yukon | Owner's Manual - Page 174
✍ NOTES 2-76 - 2008 GMC Yukon | Owner's Manual - Page 175
3 Instrument Panel Battery Run-Down Protection ...3-22 Accessory Power Outlet(s) ...3-22 Ashtray(s) and Cigarette Lighter ...3-23 Climate Controls ...3-23 Climate Control System ...3-23 Dual Automatic Climate Control System ...3-26 Outlet Adjustment ...3-33 Rear Air Conditioning and Heating System - 2008 GMC Yukon | Owner's Manual - Page 176
Steering Wheel Controls ...3-128 Radio Reception ...3-129 Rear Side Window Antenna ...3-130 XM™ Satellite Radio Antenna System ...3-130 Malfunction Indicator Lamp ...3-48 Oil Pressure Gage ...3-51 Oil Pressure Light ...3-52 Security Light ...3-52 Fog Lamp Light ...3-53 Cruise Control Light ...3-53 - 2008 GMC Yukon | Owner's Manual - Page 177
✍ NOTES 3-3 - 2008 GMC Yukon | Owner's Manual - Page 178
Instrument Panel Overview United States version shown; Canada similar 3-4 - 2008 GMC Yukon | Owner's Manual - Page 179
Steering Wheel Controls. See Audio Steering Wheel Controls on page 3-128. P. Climate Controls. See Climate Control System on page 3-23 or Dual Automatic Climate Controls (If Equipped). See Dual Automatic Climate Control System on page 3-26. Q. Accessory Power Outlets. See Accessory Power Outlet - 2008 GMC Yukon | Owner's Manual - Page 180
a problem. The hazard warning flasher button is located on top of the steering column. Other Warning Devices If you carry reflective triangles, you can set them up at the side of the road about 300 feet (100 m) behind your vehicle. Horn To sound the horn, press the center pad on the steering wheel - 2008 GMC Yukon | Owner's Manual - Page 181
the following: G (Turn and Lane Change Signals): Lane-Change Signals on page 3-8. See Turn and See 53 (Headlamp High/Low-Beam Changer): Headlamp High/Low-Beam Changer on page 3-9. Flash-to-Pass. See Flash-to-Pass on page 3-9. N (Windshield Wipers): page 3-9. See Windshield Wipers on 3-7 - 2008 GMC Yukon | Owner's Manual - Page 182
the turn or lane change. = (Rear Wiper Wash): See Rear Window Wiper/Washer on page 3-12. As you signal a turn or a lane change, if the arrows flash more quickly than normal, a signal bulb may be burned out and other drivers will not see your turn signal. If a bulb is burned out, replace it to help - 2008 GMC Yukon | Owner's Manual - Page 183
information, see Windshield Wiper Blade Replacement on page 5-62. Heavy snow or ice can overload the wiper motor. A circuit breaker will stop the motor until it cools down. Clear away snow or ice to prevent an overload. Turn the band with the wiper symbol to control the windshield wipers. Flash-to - 2008 GMC Yukon | Owner's Manual - Page 184
for high-speed wiping. Rainsense™ II Wipers If your vehicle has Rainsense™ II windshield wipers, the moisture sensor is located next to the inside rearview mirror and is mounted on the windshield. When active, these sensors are able to detect moisture on the windshield and automatically turn on the - 2008 GMC Yukon | Owner's Manual - Page 185
period of time before washer fluid is sprayed. This is a normal condition. L (Washer Fluid): Push the paddle marked with the windshield washer symbol at the top of the multifunction lever, to spray washer fluid on the windshield. The wipers clear the window and then either stop or return to the - 2008 GMC Yukon | Owner's Manual - Page 186
the washer fluid can form ice on the windshield, blocking your vision. The rear wiper control is located on the turn signal/multifunction lever. To turn the rear wiper on, slide the lever to a wiper position. = (Rear Wiper Wash): To turn on the rear wiper wash, push the button on the end of - 2008 GMC Yukon | Owner's Manual - Page 187
/h). 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 4-6. When road conditions allow you to safely - 2008 GMC Yukon | Owner's Manual - Page 188
buttons are located on left side of the steering wheel. Setting Cruise Control Cruise control will not work if your 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 control has been - 2008 GMC Yukon | Owner's Manual - Page 189
a desired speed and then you apply the brake. This shuts off the cruise control. But you do not need to reset it. Once you are driving about 25 mph (40 km/h) or more, press the +RES button on your steering wheel. The vehicle will go back to the previous set speed and stay there - 2008 GMC Yukon | Owner's Manual - Page 190
to this position to turn off the automatic headlamps and daytime running lamps (DRL). Turning the headlamp control to the off position again will turn the automatic headlamps or DRL back on. For vehicles first sold in Canada, the off position will only work for vehicles that are shifted into the - 2008 GMC Yukon | Owner's Manual - Page 191
headlamps will stay on for 10 minutes before automatically turning off to prevent the battery from being drained. The ignition is on. The exterior lamps control is in AUTO. The transmission is not in PARK (P). The light sensor determines it is daytime. When the DRL are on, only the DRL lamps - 2008 GMC Yukon | Owner's Manual - Page 192
headlamp system, turn the exterior lamps switch to the off position and then release it. For vehicles first sold in Canada, the transmission must be in the PARK (P) position, before the automatic headlamp system can be turned off. The vehicle has a light sensor located on the top of the instrument - 2008 GMC Yukon | Owner's Manual - Page 193
change to high-beam headlamps. When the high-beam headlamps go off, the fog lamps will come on again. Fog lamps should only be used in foggy conditions a dealer or a qualified service center to install an auxiliary roof lamp. This button is located on the overhead console. - (Fog Lamps): When the - 2008 GMC Yukon | Owner's Manual - Page 194
Override The dome lamp override button is located next to the exterior lamps control. Instrument Panel Brightness D (Instrument Panel Brightness): This feature controls the brightness of the instrument panel lights and is located next to the exterior lamp control. Push the knob to extend out and - 2008 GMC Yukon | Owner's Manual - Page 195
: headlamps, high beams, fog lamps, rear window defogger, climate control fan at high speed, heated seats, engine cooling fans, trailer loads, and loads plugged into accessory power outlets. EPM works to prevent excessive discharge of the battery. It does this by balancing the generator's output and - 2008 GMC Yukon | Owner's Manual - Page 196
the climate controls, one inside the center floor console, one on the rear of the center floor console and one accessory power outlet in the rear cargo area on the passenger side. To use an accessory power outlet, remove the protective cap. When not in use, always cover the accessory power outlet - 2008 GMC Yukon | Owner's Manual - Page 197
Cigarette Lighter The front ashtray is located near the center of the instrument panel or on the front console, if equipped. Pull on the be controlled with this system. Manual Operation Turn the right knob clockwise or counterclockwise to direct the airflow inside of the vehicle. To change the - 2008 GMC Yukon | Owner's Manual - Page 198
button again, or turning off the engine. AUX (Auxiliary): Pressing this button will turn the rear heating and air conditioning on. See Rear Air Conditioning and Heating System on page 3-33 or Rear Air Conditioning and Heating System and Electronic Climate Controls on page 3-35 for more information - 2008 GMC Yukon | Owner's Manual - Page 199
of fog or moisture and warm the passengers. This mode directs air to the windshield, floor outlets, and side window vents. When this mode is selected, the system turns off recirculation and runs the air conditioning compressor unless the outside temperature is close to freezing. The recirculation - 2008 GMC Yukon | Owner's Manual - Page 200
the engine. Do not drive the vehicle until all the windows are clear. If your vehicle has heated outside rearview mirrors, the mirrors will covered by your warranty. Do not attach a temporary vehicle license, tape, a decal or anything similar to the defogger grid. Different climate control - 2008 GMC Yukon | Owner's Manual - Page 201
is active the system will control the inside temperature, the air delivery, and the fan speed. Use the steps below to place the entire system in automatic mode: 1. Press the AUTO button. When AUTO is selected, the display will change to show the current temperature(s) and AUTO will be lit on the - 2008 GMC Yukon | Owner's Manual - Page 202
the solar sensor, see "Sensors" later in this section. To avoid blowing cold air in cold weather, the system will delay turning on the fan until warm air is available. The length of delay depends on the engine coolant temperature. Pressing the fan switch will override this delay and change the fan - 2008 GMC Yukon | Owner's Manual - Page 203
display. Pressing one of these buttons when the system is off will change air delivery mode without turning the system on. Pressing one of these buttons when in automatic control will place the mode under manual control. yN z (Mode): - (Defog): See "Defogging and Defrosting" later in this section - 2008 GMC Yukon | Owner's Manual - Page 204
the button again, or turning off the engine. Air Conditioning # (Air Conditioning): Press this button to turn the air conditioning (A/C) compressor on and off. When air conditioning is selected, an indicator light comes on to show that the air conditioning has been activated. Pressing this button - 2008 GMC Yukon | Owner's Manual - Page 205
located behind the front grille. This sensor reads the outside air temperature and helps maintain the temperature inside the vehicle. Any cover on the front of the vehicle could cause a false reading in the displayed temperature. The climate control system uses the information from these sensors - 2008 GMC Yukon | Owner's Manual - Page 206
of fog or moisture and warm the passengers. This mode directs air to the windshield, floor outlets, and side window vents. When this mode is selected, the system turns off recirculation and runs the air conditioning compressor unless the outside temperature is close to freezing. The recirculation - 2008 GMC Yukon | Owner's Manual - Page 207
Use the air outlets located in the center and on the side of your instrument panel to direct the airflow. Rear Air Conditioning and Heating System If your vehicle has this system, the rear controls are three knobs located in the headliner. The system can be controlled from the front controls as well - 2008 GMC Yukon | Owner's Manual - Page 208
clockwise toward the red area for warmer air. Turn the knob counterclockwise toward the blue area for cooler air. Mode Knob The right knob on the control panel allows you to choose the direction of air delivery. H (Vent): This setting directs the air through the headliner outlets. ) Fan Knob - 2008 GMC Yukon | Owner's Manual - Page 209
Heating System and Electronic Climate Controls For vehicles with the rear heat and air conditioning controls, they are integrated with the rear seat audio controls located in the center console. The system can be controlled from the front controls as well as the rear controls. To turn the system on - 2008 GMC Yukon | Owner's Manual - Page 210
inside temperature, the air delivery, and the fan speed. AUTO will illuminate in the display when automatic operation is active. +/− (Increase/Decrease Temperature): Press the + or − buttons to increase or decrease the cabin temperature. The rear control temperature display will show the temperature - 2008 GMC Yukon | Owner's Manual - Page 211
gages could also save you or others from injury. Warning lights come on when there may be or is a problem with one of your vehicle's functions. As the details show on the next few pages, some warning lights come on briefly when you start the engine just to let you know they are working. If - 2008 GMC Yukon | Owner's Manual - Page 212
Instrument Panel Cluster United States version shown. Canada similar. Your instrument 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 will need to know to drive - 2008 GMC Yukon | Owner's Manual - Page 213
, in either miles (used in the United States) or kilometers (used in Canada). Tachometer Your tachometer displays the engine speed in revolutions per minute (rpm). Safety Belt Reminders Safety Belt Reminder Light When the engine is started, a chime will come on for several seconds to remind people - 2008 GMC Yukon | Owner's Manual - Page 214
the instrument panel cluster, which shows the airbag symbol. The system checks the airbag's electrical system for malfunctions. The light tells you if there is an electrical problem. The system check includes the airbag sensor, the pretensioners, the airbag modules, the wiring and the crash sensing - 2008 GMC Yukon | Owner's Manual - Page 215
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 airbag Driver Information Center (DIC) message may also come on. See DIC Warnings and Messages on page 3-64 for more information. United States Canada When you start - 2008 GMC Yukon | Owner's Manual - Page 216
a rear-facing child restraint can be seriously injured or killed if the right front passenger's airbag inflates. This is because the back of the rear-facing child restraint would be very close to the inflating airbag. Do not use a rear-facing child restraint in the right front passenger's seat if the - 2008 GMC Yukon | Owner's Manual - Page 217
be a problem with the lights or the passenger sensing system. See your dealer/retailer for service. Charging System Light This light will come on briefly when you turn on the ignition, but the engine is not running, as a check to show you it is working. {CAUTION: If the airbag readiness light in - 2008 GMC Yukon | Owner's Manual - Page 218
engine is not running, but the ignition is on, this gage shows the battery's state of charge in DC volts. Readings in the low warning zone may occur when a large number of electrical accessories are operating in the vehicle and the engine is left at an idle for an extended period. This condition - 2008 GMC Yukon | Owner's Manual - Page 219
still on, have the vehicle towed for service. See Towing Your Vehicle on page 4-45. United States Canada This light should come on briefly when you turn the ignition key to RUN. If it does not come on then, have it fixed so it will be ready to warn you if there is a problem. 3-45 - 2008 GMC Yukon | Owner's Manual - Page 220
or 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 - 2008 GMC Yukon | Owner's Manual - Page 221
Gage Tire Pressure Light This light comes on briefly when the engine is started. United States Canada 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 light. See DIC - 2008 GMC Yukon | Owner's Manual - Page 222
check engine light comes on to indicate that there is an OBD II problem and service is required. Notice: If you keep driving your vehicle with this light on, after a while, the emission controls might not work as well, your vehicle's fuel economy might not be as good, and the engine might not run - 2008 GMC Yukon | Owner's Manual - Page 223
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 does not come on, have it repaired. This light also comes on during a malfunction in one of two ways: If the light stops flashing and remains on steady, see "If the Light - 2008 GMC Yukon | Owner's Manual - Page 224
The condition is usually corrected when the electrical system dries out. A few driving trips should turn the light off. Have you recently changed brands of fuel? If so, be sure to fuel your vehicle with quality fuel. See Gasoline Octane on page 5-5. Poor fuel quality causes the engine not to run as - 2008 GMC Yukon | Owner's Manual - Page 225
schedule in this manual for changing engine oil. If your vehicle is a Two-mode Hybrid, see the Two-mode Hybrid manual for more information. United States Canada The oil pressure gage shows the engine oil pressure in psi (pounds per square inch) when the engine is running. Canadian vehicles - 2008 GMC Yukon | Owner's Manual - Page 226
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 Yukon | Owner's Manual - Page 227
on page 3-9 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 on page 3-13 for more - 2008 GMC Yukon | Owner's Manual - Page 228
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 to fill up than the United States Canada more fuel as soon as possible. • The gage goes back to empty when you turn off the ignition. If your vehicle is a - 2008 GMC Yukon | Owner's Manual - Page 229
engine. Driver Information Center (DIC) Your vehicle has a Driver Information Center (DIC). The DIC displays information about your vehicle. It also displays warning messages if a system problem is detected. All messages will appear in the DIC display located available. This light and a chime - 2008 GMC Yukon | Owner's Manual - Page 230
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 Information): Press this button to display the oil life, units, tire pressure readings, engine hours, and Remote Keyless Entry (RKE) - 2008 GMC Yukon | Owner's Manual - Page 231
displays. This display shows the current distance traveled trip odometer to the number of miles (kilometers) trip odometer will display the number of miles (mi) or reset feature is activated, the display will show 5 miles (8 km). As the vehicle displays. This display shows the distance the vehicle - 2008 GMC Yukon | Owner's Manual - Page 232
of fuel remaining in the fuel tank. This estimate will change if driving conditions change. For example, if driving in traffic and making frequent stops, this display may read one number, but if the vehicle is driven on a freeway, the number may change even though the same amount of fuel is in the - 2008 GMC Yukon | Owner's Manual - Page 233
displays. This display shows an estimate of the oil's remaining useful life. If you see 99% OIL LIFE REMAINING on the display, that means 99% of the current oil life remains. The engine oil life system will alert you to change the oil on a schedule consistent with your driving conditions. When the - 2008 GMC Yukon | Owner's Manual - Page 234
It cannot be reset accurately until the next oil change. To reset the engine oil life system, see Engine Oil Life System on page 5-18. If a low or high tire pressure condition is detected by the system while driving, a message advising you to check the pressure in a specific tire will appear in the - 2008 GMC Yukon | Owner's Manual - Page 235
be accessed by pressing the trip odometer reset stem located on the instrument panel cluster. Pressing the trip odometer problem is detected. If your vehicle does not have DIC buttons, you can use the trip odometer reset stem to view the following displays: odometer, engine hours, trip odometer, oil - 2008 GMC Yukon | Owner's Manual - Page 236
displays. This display shows an estimate of the oil's remaining useful life. If you see 99% OIL LIFE REMAINING on the display, that means 99% of the current oil life remains. The engine oil life system will alert you to change the oil on a schedule consistent with your driving conditions. 3-62 - 2008 GMC Yukon | Owner's Manual - Page 237
and Messages on page 3-64. You should change the oil as soon as you can. See Engine Oil on page 5-15. 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 Yukon | Owner's Manual - Page 238
you received the messages and to clear them from the display. CHANGE ENGINE OIL SOON This message displays when the engine oil needs to be changed. When you change the engine oil, be sure to reset the CHANGE ENGINE OIL SOON message. See Engine Oil Life System on page 5-18 for information on how to - 2008 GMC Yukon | Owner's Manual - Page 239
Coolant Temperature Gage on page 3-47. To avoid added strain on a hot engine, the air conditioning compressor automatically turns off. When the coolant temperature returns to normal, the air conditioning compressor turns back on. You can continue to drive your vehicle. If this message continues to - 2008 GMC Yukon | Owner's Manual - Page 240
Protection Operating Mode on page 5-33 for information on driving to a safe place in an emergency. This message displays and a chime sounds if the engine cooling system reaches unsafe temperatures for operation. Stop and turn off the vehicle as soon as it is safe to do so to avoid severe - 2008 GMC Yukon | Owner's Manual - Page 241
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 5-15. HOOD OPEN This message displays and a chime sounds if the hood is not - 2008 GMC Yukon | Owner's Manual - Page 242
battery needs to be replaced in the transmitter. See "Battery Replacement" under Remote Keyless Entry (RKE) System Operation on page 2-5. REAR ACCESS OPEN This message displays and a chime sounds if the liftgate or liftglass is open while the ignition is in ON/RUN. Turn off the vehicle and check - 2008 GMC Yukon | Owner's Manual - Page 243
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 3-40 and Airbag System on page 1-76 for more information. SERVICE BRAKES SOON This message displays if there is a problem - 2008 GMC Yukon | Owner's Manual - Page 244
Autoride suspension system, this message displays when the Autoride® suspension system is not operating properly. Have your vehicle serviced by your dealer/retailer. ® SERVICE TRACTION CONTROL If your vehicle has StabiliTrak®, this message displays when there is a problem with the Traction Control - 2008 GMC Yukon | Owner's Manual - Page 245
if the brake system warning light is on. See Brake System Warning Light on page 3-44. • The message could display if the stability system takes longer than usual to complete its diagnostic checks due to driving conditions. • The message displays if an engine or vehicle related problem has been - 2008 GMC Yukon | Owner's Manual - Page 246
IDLE ENGINE Notice: If you drive your vehicle while the transmission fluid is overheating and the transmission temperature warning is displayed on the instrument panel cluster and/or DIC, you can damage the transmission. This could lead to costly repairs that would not be covered by your warranty. Do - 2008 GMC Yukon | Owner's Manual - Page 247
the battery, it is recommended that the headlamps are turned off. 2. Press the customization button to scroll through the available customizable options. 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 - 2008 GMC Yukon | Owner's Manual - Page 248
: 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. AUTO DOOR UNLOCK This feature allows you to select whether or not to turn off the automatic door unlocking feature. It also - 2008 GMC Yukon | Owner's Manual - Page 249
will unlock when the vehicle is shifted into PARK (P). 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. LIGHTS ONLY: The exterior lamps will flash when you press the - 2008 GMC Yukon | Owner's Manual - Page 250
RKE transmitter. LIGHTS ON (default): The exterior lamps will flash when you press the unlock button on the RKE transmitter. NO CHANGE: No change will be You can temporarily override delayed locking by pressing the power door lock switch twice or the lock button on the RKE transmitter twice. See - 2008 GMC Yukon | Owner's Manual - Page 251
after the key is turned from ON/RUN to LOCK/OFF. Press the customization button until EXIT LIGHTING appears on the DIC display. Press the minute. 2 MINUTES: The exterior lamps will stay on for two minutes. NO CHANGE: No change will be made to this feature. The current setting will remain. To select - 2008 GMC Yukon | Owner's Manual - Page 252
will be tilted down when the vehicle is shifted into REVERSE (R). BOTH MIRRORS: The driver's and passenger's outside mirrors will be tilted down when the vehicle is shifted into REVERSE (R). NO CHANGE: No change will be made to this feature. The current setting will remain. To select a setting - 2008 GMC Yukon | Owner's Manual - Page 253
occurred, and you put the key back in the ignition and remove it again recall feature. See Memory Seat, Mirrors, and Pedals on page 1-6 for with the adjustable throttle and brake pedal feature, the pedals will matching transmitters to driver ID numbers. NO CHANGE: No change will be made to this - 2008 GMC Yukon | Owner's Manual - Page 254
start the engine from outside of 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. FACTORY SETTINGS This feature allows you to set all of the customization features back - 2008 GMC Yukon | Owner's Manual - Page 255
. Exiting the Feature Settings Menu The feature settings menu will be exited when any of the following occurs: • The vehicle is no longer in ON/RUN. • The trip/fuel or vehicle information DIC buttons are pressed. • The end of the feature settings menu is reached and exited. • A 40 second time - 2008 GMC Yukon | Owner's Manual - Page 256
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 Yukon | Owner's Manual - Page 257
change the date default setting from month/day/year to day/month/year, follow these instructions: 1. Press the H button and then the pushbutton located date, follow these instructions: 1. Press the MENU button. 2. Once the H (clock) option displays, press the pushbutton located under that label. The - 2008 GMC Yukon | Owner's Manual - Page 258
the time default setting from 12 hour to 24 hour or to change the date default setting from month/day/year to day/month/year, follow these instructions: 1. Press the MENU button. Once the H option displays, press the pushbutton located under the forward arrow that is currently displayed on the radio - 2008 GMC Yukon | Owner's Manual - Page 259
Radios with CD and DVD Radios with CD and DVD have a Bose® Surround Sound System. Some of its features are explained later in this section under, "Adjusting the Speakers (Balance/Fade)". If your vehicle has a Rear Seat Entertainment (RSE) system, it has a CD/DVD radio. See Rear Seat Entertainment ( - 2008 GMC Yukon | Owner's Manual - Page 260
to display the radio setup menu. 3. Press the pushbutton under the AUTO VOLUM (automatic volume) label on the radio displays. 4. Press the volume level should be consistent while you drive. Finding a Station BAND: Press to switch between AM, FM, or XM™ (if equipped). The selection displays. f ( - 2008 GMC Yukon | Owner's Manual - Page 261
goes to the next station. Press either arrow again 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 button, and steering wheel controls, if the vehicle has this feature. See Defensive Driving on - 2008 GMC Yukon | Owner's Manual - Page 262
number of favorites pages by pressing the pushbutton located below the displayed page numbers. 4. Press the FAV button, or let the menu time out, to return to the original main radio screen showing tone and speaker controls to the middle MANUAL or changing bass or treble, returns the EQ to the manual - 2008 GMC Yukon | Owner's Manual - Page 263
adjust balance or fade, press the f knob until the speaker control labels display. Continue pressing to highlight the desired label, or the level adjusts to the middle position. To quickly adjust all speaker and tone controls to the middle position, press the f knob for more than two seconds. If - 2008 GMC Yukon | Owner's Manual - Page 264
Press the pushbutton located below the XM CAT label. Press the pushbutton located under the Remove label for service. Locked: This message displays Radio Service XM™ is a satellite radio service that your vehicle. A service fee is required to receive the XM™ service. For more information - 2008 GMC Yukon | Owner's Manual - Page 265
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. 3. CD symbol displays. As each new track starts to play, the track number displays. The CD player can play the smaller 3 inch (8 cm) single - 2008 GMC Yukon | Owner's Manual - Page 266
stopped, if it was the last selected audio source. The CD is controlled by the buttons on the radio faceplate or by the RSA unit. See of the radio display. As each new track starts to play, the track number displays. The CD player can play the smaller 3 inch (8 cm) from the center to the edge. 3-92 - 2008 GMC Yukon | Owner's Manual - Page 267
player could be damaged. While using the CD player, use only CDs in good condition without any label, load one CD at a time, and keep the CD . 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 for two - 2008 GMC Yukon | Owner's Manual - Page 268
© SEEK ¨: Press the left arrow to go to the start of the current track, if more than ten seconds on the CD have played. Press the right arrow to go to the next track. For Radios with CD and DVD, Press the left arrow to go to the start of the current track, if more than five seconds on the CD have - 2008 GMC Yukon | Owner's Manual - Page 269
. The DVD/CD text label and a message showing the track or chapter number displays when a disc is in either slot. is connected, the DVD/CD AUX button cycles through all available options, such as: DVD slot, CD slot, Front Auxiliary, and control to navigate the CD (tracks only) through the remote - 2008 GMC Yukon | Owner's Manual - Page 270
System on page 3-115 for more information. In some vehicles, depending on audio options, the rear speakers can be muted when the RSA power is turned on. " 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 - 2008 GMC Yukon | Owner's Manual - Page 271
problems. Using the DVD Player The DVD player is controlled by the buttons on the remote control, or by the RSA system, or by the buttons on the radio faceplate. See "Remote Control The air is very humid. If so, wait about an hour and try again. • There could have been a problem while burning the - 2008 GMC Yukon | Owner's Manual - Page 272
showing track or chapter number through all available options, such as: control feature remains on until this knob is pressed and held for more than two seconds again, or until the driver turns the ignition off and exits the vehicle. f (Tune): Turn to change tracks on a CD or DVD, to manually - 2008 GMC Yukon | Owner's Manual - Page 273
display menu shows several tag options for DVD playing. Press the pushbuttons located under any desired tag option during DVD playback. See the tag options listed after, for more information. The rear seat passenger can navigate the DVD-V menus and controls through the remote control. See "Remote - 2008 GMC Yukon | Owner's Manual - Page 274
into the DVD slot. It must be manually turned on by the rear seat occupant through the remote control power button. 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 - 2008 GMC Yukon | Owner's Manual - Page 275
DVD playback, press the r / j button on the remote control, or press the pushbutton located under the play/pause symbol tag displayed on the radio. The Player Error: This message displays when there are disc load or eject problems. Disc Format Error: This message displays, if the disc is inserted - 2008 GMC Yukon | Owner's Manual - Page 276
jack located on your portable audio device through its own battery while playing. BAND: Press to listen to DVD/CD text label and a message showing track or chapter number displays when a disc is in either the DVD/CD AUX button cycles through all available options, such as: DVD slot, CD slot, Front - 2008 GMC Yukon | Owner's Manual - Page 277
CD audio (.CDA files) and MP3 files. By default the radio shows the MP3 label on the left side of the screen but plays both file can support up to eight subfolders deep, however, keep the total number of folders to a minimum in order to reduce the complexity and confusion in trying to locate - 2008 GMC Yukon | Owner's Manual - Page 278
to play up to the maximum number of files, folders, playlists, or sessions. If you wish to play a large number of files, folders, playlists audio disc before you burn it. Trying to add music to an existing disc could cause the disc not to function in the player. Playlists can be changed by using the S - 2008 GMC Yukon | Owner's Manual - Page 279
located under the root folder. The folder down and up buttons search playlists (Px) first and then goes to the root folder. When play enters a new folder, the display does not automatically show longer than 32 characters or four pages are shortened. Parts of words on the last page of text and the - 2008 GMC Yukon | Owner's Manual - Page 280
the last selected audio source. As each new track starts to play, the track number and song title displays. f (Tune): Turn this knob to select MP3 files not removed, after several seconds, the CD-R or CD-RW automatically pulls back into the player and begins playing. For the Six-Disc CD player, - 2008 GMC Yukon | Owner's Manual - Page 281
tag information. It could take several minutes to scan the disc depending on the number of MP3 files recorded to the CD-R or CD-RW. The radio can 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 Yukon | Owner's Manual - Page 282
change from playback by artist to playback by album, press the pushbutton located below the Sort By label. From the sort screen, push one of the buttons below the album button. Press the pushbutton below the back The CD icon and a message showing disc and/or track number displays when a CD is in the - 2008 GMC Yukon | Owner's Manual - Page 283
support up to eight subfolders deep, however, keep the total number of folders to a minimum in order to reduce the complexity and confusion in trying to locate all files are located under the root folder. The folder down and the folder up buttons search playlists (Px) first and then goes to the root - 2008 GMC Yukon | Owner's Manual - Page 284
following order: Track names longer than 32 characters or four pages are shortened. Parts of words on the last page of text and the extension of the rst folder. When play enters a new folder, the display does not automatically show the new folder name unless you have chosen the folder mode as the - 2008 GMC Yukon | Owner's Manual - Page 285
last selected audio source. As each new track starts to play, the track number and song title displays. If loading and reading of a CD cannot be is not removed, after several seconds, the CD-R or CD-RW automatically pulls back into the player. If loading and reading of a CD cannot be completed, - 2008 GMC Yukon | Owner's Manual - Page 286
pushbutton located below 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 displayed. To change the pushbutton below the Back label to return to the pushbutton located below the music - 2008 GMC Yukon | Owner's Manual - Page 287
and a message showing track or chapter number displays when a AUX button cycles through all available options, such as: DVD slot, control to navigate the CD (tracks only) through the remote control. but the vehicle is in a location that is blocking the XM™ Air: This channel is not currently in service - 2008 GMC Yukon | Owner's Manual - Page 288
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 Yukon | Owner's Manual - Page 289
vehicle's audio system. The DVD player is part of the front radio. The RSE system While Parental Control is on, a padlock icon displays. The radio can be turned back on Control can also be turned off by inserting or ejecting any disc, pressing the play icon on the radio DVD display menu, or changing - 2008 GMC Yukon | Owner's Manual - Page 290
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 1/2 switch, and a volume control. 3-116 - 2008 GMC Yukon | Owner's Manual - Page 291
the headphones and repairs will not be covered by your warranty. Storage in extreme cold can weaken the batteries. Keep the headphones stored in a cool, dry place. If the foam ear pads attached to the headphones become worn or damaged, the pads can be replaced separately from the headphone set. See - 2008 GMC Yukon | Owner's Manual - Page 292
control switches the video screen from the DVD player mode to the auxiliary device. The radio can listen to the audio of the connected auxiliary device by sourcing to auxiliary. See Radio(s) (MP3) on page 3-84 for more information. How to Change the RSE Video Screen Settings The A/V jacks, located - 2008 GMC Yukon | Owner's Manual - Page 293
the infrared transmitters for the wireless headphones and the infrared receivers for the remote control. They are located at the rear of the console. Notice: Avoid directly touching the video screen, as damage may occur. See "Cleaning the Video Screen" later in this section for more information - 2008 GMC Yukon | Owner's Manual - Page 294
in a hot area or in direct sunlight can damage it, and the repairs will not be covered by your warranty. Storage in extreme cold can weaken the batteries. Keep the remote control stored in a cool, dry place. Remote Control Buttons O (Power): Press this button to turn the video screen on and off - 2008 GMC Yukon | Owner's Manual - Page 295
v (Title): Press this button to return the DVD to the main menu of the DVD. This function may vary for each disc. 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 - 2008 GMC Yukon | Owner's Manual - Page 296
and to move through subtitle options when a DVD is playing. The format and content of this function vary for each disc. Press this button to select chapter or track numbers greater than nine. Press this button before entering the number. If the remote control becomes lost or damaged, a new - 2008 GMC Yukon | Owner's Manual - Page 297
To change the remote control batteries, do the following: 1. Slide the rear cover back on to the remote control. 2. Replace the two batteries in the compartment. Make sure that they are installed correctly, using the diagram on the inside of the battery compartment. 3. Replace the battery cover. If - 2008 GMC Yukon | Owner's Manual - Page 298
. Check the auxiliary input connections at both devices. Sometimes the wireless Check for obstructions, headphone audio cuts out low batteries, playing, but Check that the RSE video there is no picture or screen is sourced to the sound. DVD player. Problem The auxiliary source is running but there - 2008 GMC Yukon | Owner's Manual - Page 299
to the radio through the front speakers. The rear seat passengers have control of the volume for each set of headphones. You can operate the 2 of the wireless headphones. Cleaning the RSE Overhead Console When cleaning the RSE overhead console surface, use only a clean cloth dampened with clean - 2008 GMC Yukon | Owner's Manual - Page 300
this knob to increase or to decrease the volume of the wired headphones. The left knob controls the left headphones and the right knob controls the right headphones. SRCE (Source): Press this button to switch between the radio (AM/FM), XM™ (if equipped), CD, and if your vehicle has these features - 2008 GMC Yukon | Owner's Manual - Page 301
to a disc, press the left © seek arrow to go back to the start of the current track or chapter (if more of your vehicle's radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a different vehicle, it does not operate and LOC - 2008 GMC Yukon | Owner's Manual - Page 302
vehicle's options. Some audio controls can be adjusted at the steering wheel. They include the following: If your vehicle has the navigation system, press and hold this button for longer than one second to initiate voice recognition. See "Voice Recognition" in the Navigation System manual for more - 2008 GMC Yukon | Owner's Manual - Page 303
accessories, and external electronic devices are plugged into the accessory power outlet. If there is interference or static, unplug the item from the accessory Service XM™ Satellite Radio Service gives digital radio reception from coast-to-coast in the 48 contiguous United States, and in Canada. - 2008 GMC Yukon | Owner's Manual - Page 304
not be covered by your warranty. Do not clear the inside of the rear side windows with sharp objects. Notice: Do not apply aftermarket glass tinting lines. XM™ Satellite Radio Antenna System The XM™ Satellite Radio antenna is located on the roof of your vehicle. Keep this antenna clear of snow and - 2008 GMC Yukon | Owner's Manual - Page 305
...4-48 Autoride® ...4-49 Towing a Trailer ...4-49 Trailer Recommendations ...4-63 Your Driving, the Road, and Your Vehicle ...4-2 Defensive Driving ...4-2 Drunk Driving ...4-2 Control of a Vehicle ...4-3 Braking ...4-4 Antilock Brake System (ABS) ...4-5 Braking in Emergencies ...4-6 Locking - 2008 GMC Yukon | Owner's Manual - Page 306
Your Driving, the Road, and Your Vehicle Defensive Driving Defensive driving means "always expect the unexpected." The first step in driving defensively is to wear your safety belt - See Safety Belts: They Are for Everyone on page 1-30. Drunk Driving {CAUTION: Drinking and then driving is very - 2008 GMC Yukon | Owner's Manual - Page 307
- brakes, steering, and accelerator. At times, as when driving on snow or ice, it is easy to ask more of those control systems than the tires and road can provide. Meaning, you can lose control of your vehicle. See StabiliTrak® System on page 4-6. Adding non-dealer/non-retailer accessories can - 2008 GMC Yukon | Owner's Manual - Page 308
push down. If the engine stops, you will still have some power brake assist. But you will use it when you brake. Once the power assist is used up, it can take longer to stop and the brake pedal will be harder to push. Adding non-dealer/non-retailer accessories can affect your vehicle's performance - 2008 GMC Yukon | Owner's Manual - Page 309
to make the most of available tire and road conditions. This can help you steer around the obstacle while braking hard. As you brake, the computer keeps receiving updates on wheel speed and controls braking pressure accordingly. Remember: ABS does not change the time you need to get your foot up - 2008 GMC Yukon | Owner's Manual - Page 310
feature will allow the wheel with traction to move the vehicle. StabiliTrak® System Your vehicle may have the StabiliTrak® system which combines antilock brake, traction and stability control systems and helps the driver maintain directional control of the vehicle in most driving conditions. 4-6 - 2008 GMC Yukon | Owner's Manual - Page 311
and StabiliTrak® are automatically disabled in this condition. You may also feel or hear the system working; this is normal. The traction control disable button is located on the instrument panel below the climate controls. The traction control part of StabiliTrak® can be turned off by pressing - 2008 GMC Yukon | Owner's Manual - Page 312
case. The repairs would not be covered by your warranty. Reduce engine power and do not spin the wheel(s) excessively while these lights and this message are displayed. The traction control system may activate on dry or rough roads or under conditions such as heavy acceleration while turning or - 2008 GMC Yukon | Owner's Manual - Page 313
manual for more information. If you lose power steering assist because the engine stops Accessories and Modifications on page 5-3. Steering Tips It is important to take curves at a reasonable speed. A lot of the "driver lost control vehicle to change its path when you turn the front wheels. If there - 2008 GMC Yukon | Owner's Manual - Page 314
. See Braking on page 4-4. 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 Yukon | Owner's Manual - Page 315
Off-Road Recovery You may find that your right wheels have dropped off the edge of a road onto the shoulder while you are vehicle straddles the edge of the pavement. You can turn the steering wheel up to one-quarter turn until the right front tire contacts the pavement edge. Then turn the steering - 2008 GMC Yukon | Owner's Manual - Page 316
most skids by taking reasonable care suited to existing conditions, and by not 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 - 2008 GMC Yukon | Owner's Manual - Page 317
off-road guide is for vehicles that have four-wheel drive. Also, see Braking on page 4-4. If your vehicle does not have four-wheel drive, you should not drive off-road unless you are on a level, solid surface. The airbag system is designed to work properly under a wide range of conditions, including - 2008 GMC Yukon | Owner's Manual - Page 318
to have all necessary maintenance and service work done. Check to make sure all underbody shields, the information about your four-wheel-drive or all-wheel-drive vehicle in this manual. Is there enough fuel . Secure the cargo properly. Heavy loads on the roof raise the vehicle's center of gravity, - 2008 GMC Yukon | Owner's Manual - Page 319
vehicle. • Always carry a litter bag - make sure all refuse is removed around. You will find other important information in this manual. See Loading Your Vehicle on page 4-35 and Tires on have a winch? If so, be sure to read the winch instructions. In a remote area, a winch can be handy if you - 2008 GMC Yukon | Owner's Manual - Page 320
engine sounds. With your arms, hands, feet, and body, you will need to respond to vibrations and vehicle bounce. Controlling changes in direction can easily throw you out of position. This could cause you to lose control Conditions wheel spinning, delayed acceleration, poor traction, and longer braking - 2008 GMC Yukon | Owner's Manual - Page 321
acceleration, sudden turns, or sudden braking. In a way, off- posted speed limits, or signal lights. You have to use your own 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 - 2008 GMC Yukon | Owner's Manual - Page 322
hill, for example, there may be a smooth, constant incline with only a small change in elevation where you can easily see all the way to the top. On a large drive up them, you will stall. If you drive down them, you cannot control your speed. If you drive across them, you will roll over. You could - 2008 GMC Yukon | Owner's Manual - Page 323
pedal to stop the vehicle and keep it from rolling backwards. Also, apply the parking brake. • If your engine is still running, shift the transmission to REVERSE (R), release the parking brake, and slowly back down the hill in REVERSE (R). {CAUTION: Turning or driving across steep hills can be - 2008 GMC Yukon | Owner's Manual - Page 324
• If your engine has stopped running, you will need to restart it. With the brake pedal pressed and the parking brake still applied, shift the transmission to PARK (P) and restart the engine. Then, shift to REVERSE (R), release the parking brake, and slowly back down the hill as straight as possible - 2008 GMC Yukon | Owner's Manual - Page 325
back to a low gear, release the parking brake, and drive straight down. 4. If the engine will not start, get out and get help. {CAUTION: Heavy 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 - 2008 GMC Yukon | Owner's Manual - Page 326
are some things to consider: • Surface conditions can be a problem when you drive across a hill. Loose wheels drop into a rut or depression, your vehicle can tilt even more. For reasons like these, you need to decide carefully whether to try to drive across an incline. Just because the trail goes - 2008 GMC Yukon | Owner's Manual - Page 327
Stalling on an Incline {CAUTION: Getting out on the downhill (low) side of a vehicle stopped across an incline is dangerous. If the vehicle rolls over, you could be crushed or killed. Always get out on the uphill (high) side of the vehicle and stay well clear of the rollover path. If your vehicle - 2008 GMC Yukon | Owner's Manual - Page 328
change in wheel traction. But it will depend upon how loosely packed the sand is. On loosely packed sand, such as on beaches or sand dunes, your tires will tend to sink into the sand. This has an effect on steering, accelerating, and braking difficult braking can cause you to slide out of control. - 2008 GMC Yukon | Owner's Manual - Page 329
through it. If it is deep enough to cover your wheel hubs, axles, or exhaust pipe, do 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 - 2008 GMC Yukon | Owner's Manual - Page 330
because some drivers are likely to be impaired - by alcohol or drugs, with night vision problems, or by fatigue. Night driving tips include: • Avoid staring directly into approaching headlamps. • Keep the windshield and all glass on your vehicle clean - inside and out. • Keep your eyes moving - 2008 GMC Yukon | Owner's Manual - Page 331
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 following distance. Pass with caution. Keep windshield wiping equipment in good shape. Keep the windshield washer fluid reservoir filled. Have good - 2008 GMC Yukon | Owner's Manual - Page 332
Fluid: Reservoir full? Windows clean - inside and outside? Wiper Blades: In good shape? Fuel, Engine Oil, Other Fluids: All levels checked? Lamps: Do they all work and are lenses clean? Tires: Are treads good? Are tires inflated to recommended pressure? up-to-date maps? • Keep the vehicle well - 2008 GMC Yukon | Owner's Manual - Page 333
for driving in these conditions include: {CAUTION: Coasting downhill in NEUTRAL (N) or with the ignition off is dangerous. The brakes will have to do the engine running and your vehicle in gear when you go downhill. • Keep your vehicle serviced and in good shape. • Check all fluid levels and brakes, - 2008 GMC Yukon | Owner's Manual - Page 334
scraper, a small brush or broom, a supply of windshield washer fluid, a rag, some winter outer clothing, a small shovel, a flashlight, a red cloth, and a couple of reflective warning triangles. And, if you will be driving under severe conditions, include a small bag of sand, a piece of old carpet, or - 2008 GMC Yukon | Owner's Manual - Page 335
conditions, you might want to turn StabiliTrak® off, such as when driving through deep snow and loose gravel, to help maintain vehicle motion at lower speeds. The Antilock Brake not have blankets or extra clothing, make body insulators from newspapers, burlap bags, rags, floor mats - anything you can - 2008 GMC Yukon | Owner's Manual - Page 336
gases under your vehicle. This can cause deadly CO (carbon monoxide) gas to get run the engine, make it go a little faster than just idle. That is, push the accelerator slightly. This uses less fuel for the heat that you get and it keeps the battery charged. You will need a well-charged battery - 2008 GMC Yukon | Owner's Manual - Page 337
Start the engine again and repeat this only when you feel really uncomfortable from the cold. But vehicle can overheat, causing an engine compartment fire or other damage. Spin the wheels as little as possible and the Index. If the stuck condition is too severe for the traction system to free the - 2008 GMC Yukon | Owner's Manual - Page 338
to clear the area around the front wheels. For four-wheel-drive vehicles, shift into Four-Wheel High or Four-Wheel Low. For vehicles with StabiliTrak®, turn the traction control part of the system off. See StabiliTrak® System on page 4-6. Then shift back and forth between REVERSE (R) and a forward - 2008 GMC Yukon | Owner's Manual - Page 339
, and it can change the way your vehicle handles. These could cause you to lose control and crash. Also, overloading can shorten the life of your vehicle. Notice: Never use recovery hooks to tow the vehicle. Your vehicle could be damaged and it would not be covered by warranty. For vehicles with - 2008 GMC Yukon | Owner's Manual - Page 340
- Tire Pressure on page Locate the statement "The combined weight of occupants and cargo equals the available amount of cargo and luggage load capacity. vehicle, the amount of available cargo and luggage load capacity is 650 label is attached to the center pillar (B-pillar). With the shows the number of - 2008 GMC Yukon | Owner's Manual - Page 341
If your vehicle will be towing a trailer, the load from your trailer will be transferred to your vehicle. Consult this manual to determine how this reduces the available cargo and luggage load capacity of your vehicle. See Towing a Trailer on page 4-49 for important information on towing a trailer - 2008 GMC Yukon | Owner's Manual - Page 342
) 750 lbs (136 kg) 250 lbs (113 kg) Item A B C Description Vehicle Capacity Weight for Example 3 = Subtract Occupant Weight 200 lbs (91 kg) × 5 = Available Cargo Weight = Total 1,000 lbs (453 kg) 1,000 lbs (453 kg) 0 lbs (0 kg) Refer to your vehicle's tire and loading information label for speci - 2008 GMC Yukon | Owner's Manual - Page 343
Capacity. 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 Weight Rating (GVWR). The - 2008 GMC Yukon | Owner's Manual - Page 344
you do, parts on your vehicle can break, and it can change the way your vehicle handles. These could cause you to lose control and crash. Also, overloading can shorten the life of your vehicle. Notice: Overloading your vehicle may cause damage. Repairs would not be covered by your warranty. Do not - 2008 GMC Yukon | Owner's Manual - Page 345
crash. • Put things in the cargo area of your vehicle. Try to for off-road driving in this manual. See "Loading Your Vehicle for package, adding a plow can damage your vehicle, and the repairs would not be covered by warranty plow prep package, called RPO VYU. If your vehicle has this option, you - 2008 GMC Yukon | Owner's Manual - Page 346
the front axle rating. • The options your vehicle came with, and the weight of those options. • The weight and number of passengers you intend to carry. axle rating for each. • For the front axle, if more cargo or passengers must be carried, appropriate counter ballast must be installed rear - 2008 GMC Yukon | Owner's Manual - Page 347
as a snow plow, is adding to the front axle, use the following formula: United States Canada (W x (A + W.B.)) /W.B.= Weight the accessory is adding to the front axle. Where: W = Weight of added accessory A = Distance that the accessory is in front of the front axle W.B. = Vehicle Wheelbase 4-43 - 2008 GMC Yukon | Owner's Manual - Page 348
, if the snow plow is 4 ft (122 cm) in front of the front axle and the wheel base is 10 ft (305 cm), then: W = 700 lb (318 kg) A = 4 by carrying fewer passengers, less cargo, or by positioning cargo towards the rear. This has is necessary to provide proper braking performance. Total vehicle reserve - 2008 GMC Yukon | Owner's Manual - Page 349
capacity numbers are intended as a guide when selecting the amount of equipment or cargo package also have an emergency roof lamp provision package, RPO TRW. Wiring for the emergency roof lamp is provided above the overhead console. See Auxiliary Roof Mounted Lamp on page 3-19 for switch location - 2008 GMC Yukon | Owner's Manual - Page 350
could be damaged. The repairs would not be covered by your warranty. Do not tow a two-wheel-drive vehicle with all four wheels on the ground. Two-wheel-drive vehicles should not be towed with all four wheels on the ground. Two-wheel-drive transmissions have no provisions for internal lubrication - 2008 GMC Yukon | Owner's Manual - Page 351
(N). See Four-Wheel Drive on page 2-38 for the proper procedure to select the NEUTRAL (N) position for your vehicle. Use the following procedure to tow your vehicle: 1. Shift the transmission to PARK (P). 2. Turn the engine off, but leave the ignition on. 3. Firmly set the parking brake. 4. Securely - 2008 GMC Yukon | Owner's Manual - Page 352
-wheel drive and four-wheel drive light-duty vehicles and comes as a part of the Autoride® suspension, if equipped. This type of level control is fully automatic and will provide a better leveled riding position as well as better handling under a variety of passenger and loading conditions. An air - 2008 GMC Yukon | Owner's Manual - Page 353
® If equipped, the Autoride® feature will provide a superior vehicle ride and handling under a variety of passenger and loading conditions. The system is fully automatic and uses a computer controller to continuously monitor vehicle speed, wheel to body position, lift/dive and steering position - 2008 GMC Yukon | Owner's Manual - Page 354
changes in acceleration, braking, handling, durability and fuel economy. Successful, safe trailering takes correct equipment, and it has to be used properly. That's the reason for this part This helps your engine and other parts of your vehicle wear Consider using a sway control. See "Hitches" later - 2008 GMC Yukon | Owner's Manual - Page 355
a large or heavy load as when the vehicle is unloaded. • Improve control of vehicle speed while requiring less throttle pedal activity when pulling a heavy • Increase the charging system voltage to assist in recharging a battery installed in a trailer. Press this button at the end of the shift - 2008 GMC Yukon | Owner's Manual - Page 356
Autoride® which further improves your vehicle's ride while towing. See Autoride® on page 4-49 for more information. When the button is pressed, a light following driving conditions: Operating the vehicle in tow/haul when lightly loaded or of additional optional equipment, passengers and cargo in - 2008 GMC Yukon | Owner's Manual - Page 357
C-1500 (2WD) 4800 V8 5300 V8 5300 V8 (Extended Models) 6000 V8 (Extended Models) K-1500 (4WD) 5300 V8 5300 V8 (Extended Models) 6000 V8 (Extended Models) C-2500 (2WD) 6000 V8 (Extended Models) K-2500 (4WD) 6000 V8 (Extended Models) Axle Ratio 3.23 3.73 3.42 3.73 3.73 4.10 4.10 Axle Ratio 3.73 4.10 - 2008 GMC Yukon | Owner's Manual - Page 358
weight of the completely loaded vehicle and trailer including any passengers, cargo, equipment and conversions. The GCWR for your vehicle should not be riding in the vehicle. If you have a lot of options, equipment, passengers or cargo in your vehicle, it will reduce the tongue weight your vehicle - 2008 GMC Yukon | Owner's Manual - Page 359
. The vehicle is set to trailer up to 8,500 lbs (3 856 kg). But let's say your specific vehicle is equipped with some of the latest options and you have a front seat passenger and two rear seat passengers with some luggage and gear in the vehicle as well. You may add 300 - 2008 GMC Yukon | Owner's Manual - Page 360
vehicle and trailer. Total Weight on Your Vehicle's Tires Be sure your vehicle's tires are inflated to the upper limit for cold tires. You'll find these numbers on the Certification label at the rear edge of the driver's door or see Loading Your Vehicle on page 4-35 for more - 2008 GMC Yukon | Owner's Manual - Page 361
. If you are towing with an aftermarket hitch, following the trailer or hitch manufacturer bumper. Trailer Brakes If your trailer weighs more than 2,000 lbs (900 kg) loaded, then it needs its own brakes - and they must be adequate. Be sure to read and follow the instructions for the trailer brakes - 2008 GMC Yukon | Owner's Manual - Page 362
CO. It can cause unconsciousness or death. See Engine Exhaust on page 2-47. To maximize your safety mirror adjustment. If the trailer has electric brakes, start your vehicle and trailer moving and then apply the trailer brake controller by hand to be sure the brakes are working. This lets you check - 2008 GMC Yukon | Owner's Manual - Page 363
bulbs on the trailer are burned out. Thus, you may think drivers behind you are seeing your signal when they are not. It's important to check occasionally to be sure the trailer bulbs are still working. Backing Up Hold the bottom of the steering wheel use your brakes so much or hilly conditions). You - 2008 GMC Yukon | Owner's Manual - Page 364
temperature than at or near sea level. If you turn your engine off immediately after towing at high altitude on steep uphill grades, your vehicle may show signs similar to engine overheating. To avoid this, let the engine run while parked (preferably on level ground) with the automatic transmission - 2008 GMC Yukon | Owner's Manual - Page 365
the shift lever fully in PARK (P) with the parking brake firmly set. If the transfer case on four-wheel-drive vehicles is in NEUTRAL, your vehicle will be (don't overfill), engine oil, axle lubricant, belts, cooling system and brake system. Each of these is covered in this manual, and the Index will - 2008 GMC Yukon | Owner's Manual - Page 366
White: Ground Light Green: Back-up Lamps Red: Battery Feed* Dark Blue: Trailer Brake* *The fuses for these two circuits are installed in the underhood electrical center, but the wires are not connected. They should be connected by your dealer/retailer or a qualified service center. Yellow: Left - 2008 GMC Yukon | Owner's Manual - Page 367
each seat. The total cargo load must not be more brake controller. 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 - 2008 GMC Yukon | Owner's Manual - Page 368
✍ NOTES 4-64 - 2008 GMC Yukon | Owner's Manual - Page 369
, Stoplamps and Back-up Lamps ...5-60 License Plate Lamp ...5-61 Replacement Bulbs ...5-61 Windshield Wiper Blade Replacement ...5-62 Tires ...5-64 Tire Sidewall Labeling ...5-65 Tire Terminology and Definitions ...5-69 Inflation - Tire Pressure ...5-72 5-1 Service ...5-3 Accessories and Modifications - 2008 GMC Yukon | Owner's Manual - Page 370
fication Number (VIN) ...5-116 Service Parts Identification Label ...5-116 Electrical System ...5-117 Add-On Electrical Equipment ...5-117 Windshield Wiper Fuses ...5-117 Power Windows and Other Power Options ...5-117 Fuses and Circuit Breakers ...5-117 Instrument Panel Fuse Block ...5-118 Center - 2008 GMC Yukon | Owner's Manual - Page 371
as, airbags, braking, stability, ride and handling, emissions systems, aerodynamics, durability, and electronic systems like antilock brakes, traction control and stability control. Some of these accessories could even cause malfunction or damage not covered by warranty. GM Accessories are designed - 2008 GMC Yukon | Owner's Manual - Page 372
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 Yukon | Owner's Manual - Page 373
your own service work, see Servicing Your Airbag-Equipped Vehicle on page 1-90. You should keep a record with all parts receipts and list the mileage and the date of any service work you perform. See Maintenance Record on page 6-17. The 8th digit of the Vehicle Identification Number (VIN) shows the - 2008 GMC Yukon | Owner's Manual - Page 374
turn on and your vehicle might fail a smog-check test. See Malfunction Indicator Lamp on page 3-48. If this occurs, return to your authorized dealer/retailer for diagnosis. If it is determined that the condition is caused by the type of fuel used, repairs might not be covered by your warranty. 5-6 - 2008 GMC Yukon | Owner's Manual - Page 375
performance of the emission control system could be affected. The malfunction indicator lamp might turn on. If this occurs, return to your dealer/retailer for service. Fuel E85 (85% Ethanol) The 8th digit of the Vehicle Identification Number (VIN) shows the code letter or number that identifies your - 2008 GMC Yukon | Owner's Manual - Page 376
United States or Canada, the proper fuel might be hard to find. Never use leaded gasoline or any other fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel would not be covered by your warranty. To check the fuel availability, ask an auto club, or contact - 2008 GMC Yukon | Owner's Manual - Page 377
Filling the Tank {CAUTION: Fuel vapor 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 when you are refueling. Do not smoke if you are near fuel or refueling your vehicle. - 2008 GMC Yukon | Owner's Manual - Page 378
ignites it, you could be badly burned. This spray can happen if your tank Washing Your Vehicle on page 5-111. When replacing the fuel cap, insert the tether in To open the fuel door, push the rearward center edge inboard and release. The door will pop spring back to the right. While refueling, hang the tethered - 2008 GMC Yukon | Owner's Manual - Page 379
Driver Information Center (DIC), not fit properly. This may cause your malfunction indicator lamp to light and may damage your fuel tank and emissions system. See Malfunction the container can ignite the fuel vapor. You can be badly burned and your vehicle damaged if this occurs. To help avoid injury - 2008 GMC Yukon | Owner's Manual - Page 380
fuel, oil, coolant, brake fluid, windshield washer and other fluids, and plastic or rubber. You or others could be burned. Be careful not to drop or spill things that will burn onto a hot engine. {CAUTION: An electric fan under the hood can start up and injure you even when the engine is not running - 2008 GMC Yukon | Owner's Manual - Page 381
the following: 1. Pull the handle with this symbol on it. It is located inside the vehicle to the lower left of the steering wheel. 2. Then go to the front of the vehicle and locate the secondary hood release, near the center of the grille. 3. Push the secondary hood release to the right. 4. Lift - 2008 GMC Yukon | Owner's Manual - Page 382
Engine Compartment Overview If your vehicle is a Two-mode Hybrid, see the Two-mode Hybrid manual for more information. When you open the hood on the 5.3L engine (4.8L and 6.0L similar), here is what you will see: 5-14 - 2008 GMC Yukon | Owner's Manual - Page 383
). See Engine Air Cleaner/Filter on page 5-19. C. Coolant Surge Tank and Pressure Cap. See Cooling System on page 5-34 and Coolant Surge Tank Pressure Cap on page 5-31. D. Remote Positive (+) Terminal. See Jump Starting on page 5-46. E. Battery. See Battery on page 5-45. F. Engine Oil Fill Cap - 2008 GMC Yukon | Owner's Manual - Page 384
add too much oil. If the engine has so much oil that the oil level gets above the cross-hatched area that shows the proper operating range, the engine could be damaged. Be sure to add enough oil to put the level somewhere in the proper operating range. Push the dipstick all the way back in when you - 2008 GMC Yukon | Owner's Manual - Page 385
: Use only engine oil 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 - 2008 GMC Yukon | Owner's Manual - Page 386
a year. 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 it - 2008 GMC Yukon | Owner's Manual - Page 387
to a place that collects used oil. If you have a problem properly disposing of used oil, ask your dealer/retailer, a service station, or a local recycling center for help. Engine Air Cleaner/Filter See Engine Compartment Overview on page 5-14 for the location of the engine air cleaner/filter and the - 2008 GMC Yukon | Owner's Manual - Page 388
page 5-14. 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 - 2008 GMC Yukon | Owner's Manual - Page 389
replace the engine air cleaner/filter. 6. Reinstall the cover and tighten the screws. 7. Reset the air filter restriction indicator, if the vehicle has one, by pressing the top button on the indicator. {CAUTION: Operating the engine with the air cleaner/filter off can cause you or others to be burned - 2008 GMC Yukon | Owner's Manual - Page 390
Transmission Fluid (4-Speed Transmission) When to Check and Change Automatic Transmission Fluid A good time to check your automatic transmission fluid level is when the engine oil is changed. Change the fluid and filter at the intervals listed in Additional Required Services on page 6-6, and be sure to - 2008 GMC Yukon | Owner's Manual - Page 391
Checking the Fluid Level Prepare your vehicle as follows: 1. Park your vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in PARK (P). 3. With your foot on the brake pedal, move the shift lever through each gear range, pausing for about three - 2008 GMC Yukon | Owner's Manual - Page 392
the damages may not be covered by your warranty. Always use the automatic transmission the transmission dipstick tube only after checking the transmission fluid while it is hot. A cold check is used only as a reference Check and Change Automatic Transmission Fluid It is usually not necessary to check - 2008 GMC Yukon | Owner's Manual - Page 393
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 Yukon | Owner's Manual - Page 394
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 Yukon | Owner's Manual - Page 395
at 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 - 2008 GMC Yukon | Owner's Manual - Page 396
the dipstick tube. If inconsistent readings persist, check the transmission breather to be sure it is engine coolant may require changing sooner, at the first maintenance service after each 30,000 miles (50 000 km) or 24 months, whichever occurs first. Any repairs would not be covered by your warranty - 2008 GMC Yukon | Owner's Manual - Page 397
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 Yukon | Owner's Manual - Page 398
. Never turn the surge tank pressure cap - even a little - when the engine and radiator are hot. The vehicle must be on a level surface. When your engine is cold, the coolant level should be at the FULL COLD mark. The coolant surge tank is located in the engine compartment on the passenger's side - 2008 GMC Yukon | Owner's Manual - Page 399
on page 5-14 for more information on location. {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. When replacing the pressure cap, make sure it is hand - 2008 GMC Yukon | Owner's Manual - Page 400
. The costly repairs would not be covered by your warranty. See Overheated Engine Protection Operating Mode on page 5-33 for 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 - 2008 GMC Yukon | Owner's Manual - Page 401
driving in the overheated engine protection operating mode, to avoid engine damage, allow the engine to cool before attempting any repair. The engine oil will be severely degraded. Repair the cause of coolant loss, change the oil and reset the oil life system. See Engine Oil on page 5-15. 5-33 - 2008 GMC Yukon | Owner's Manual - Page 402
-mode Hybrid, see the Two-mode Hybrid manual for more information. When you decide it is safe to lift the hood, here is what you will see: {CAUTION: An electric fan under the hood can start up and injure you even when the engine is not running. Keep hands, clothing, and tools away - 2008 GMC Yukon | Owner's Manual - Page 403
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 you drive the vehicle. Notice: Engine damage from running your engine without coolant is not covered by your warranty - 2008 GMC Yukon | Owner's Manual - Page 404
Add Coolant to the Coolant Surge Tank If you have not found a problem yet, check to see if coolant is visible in the surge tank. If coolant is visible but the coolant level is not at or above the FULL COLD mark, add a 50/50 mixture of clean, drinkable water and DEX-COOL - 2008 GMC Yukon | Owner's Manual - Page 405
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. You can remove the coolant surge tank pressure cap when the cooling system, including - 2008 GMC Yukon | Owner's Manual - Page 406
the coolant surge tank with the proper mixture, to the FULL COLD mark. 4. With the coolant surge tank pressure cap off, start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fan. By this time, the coolant level inside the coolant - 2008 GMC Yukon | Owner's Manual - Page 407
. The fans will change to low speed when additional cooling is no longer required. Power Steering Fluid See Engine Compartment Overview on page 5-14 for reservoir location. If your vehicle is a Two-mode Hybrid, see the Two-mode Hybrid manual for more information. When to Check Power Steering Fluid - 2008 GMC Yukon | Owner's Manual - Page 408
dipstick. The level should be at the FULL COLD mark. If necessary, add only enough fluid to bring the level up to the mark. Windshield Washer Fluid What to Use When windshield washer fluid needs to be added, be sure to read the manufacturer's instructions before use. Use a fluid that has sufficient - 2008 GMC Yukon | Owner's Manual - Page 409
master cylinder reservoir is filled with DOT-3 brake fluid. See Engine Compartment Overview on page 5-14 for the location of the reservoir. • When using concentrated washer fluid, follow the manufacturer's instructions for adding water. • Do not mix water with ready-to-use washer fluid. Water can - 2008 GMC Yukon | Owner's Manual - Page 410
fluid will burn if the engine is hot enough. You or others could be burned, and your vehicle could be damaged. Add brake fluid only when work is done on the brake hydraulic system. See "Checking Brake Fluid" in this section. When the brake fluid falls to a low level, the brake warning light will come - 2008 GMC Yukon | Owner's Manual - Page 411
: • Using the wrong fluid can badly damage brake 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 - 2008 GMC Yukon | Owner's Manual - Page 412
tires are rotated, inspect brake pads for wear and evenly tighten wheel nuts in the proper sequence to torque specifications in Capacities and Specifications on page 5-124. Brake linings should always be replaced as complete axle sets. Brake Pedal Travel {CAUTION: The brake wear warning sound means - 2008 GMC Yukon | Owner's Manual - Page 413
, see your dealer/retailer for one that has the replacement number shown on the original battery's label. See Engine Compartment Overview on page 5-14 for battery location. Warning: Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of - 2008 GMC Yukon | Owner's Manual - Page 414
the Two-mode Hybrid manual for more information. If your vehicle's battery (or batteries) has run down, you may want to use another vehicle and some jumper cables to start your vehicle. Be sure to use the following steps to do it safely. {CAUTION: Batteries have acid that can burn you and gas that - 2008 GMC Yukon | Owner's Manual - Page 415
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, they could be damaged. The repairs would not be covered by your warranty. Always turn - 2008 GMC Yukon | Owner's Manual - Page 416
front of the engine, where the negative battery cable attaches. See Engine Compartment Overview on page 5-14 for more information on the location of the remote positive (+) and remote negative (-) terminals. {CAUTION: An electric fan can start up even when the engine is not running and can injure - 2008 GMC Yukon | Owner's Manual - Page 417
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 Yukon | Owner's Manual - Page 418
one. Do not let the other end touch anything until the next step. The other end of the negative (−) cable does not go to the dead battery. It goes to a heavy, unpainted metal engine part or to the remote negative (−) terminal on the vehicle with the - 2008 GMC Yukon | Owner's Manual - Page 419
remote positive (+) terminal cover, if the vehicle has one, to its original position. Jumper Cable Removal A. Heavy, Unpainted Metal Engine Part or Remote Negative (−) Terminal B. Good Battery or Remote Positive (+) and Remote Negative (−) Terminals C. Dead Battery or Remote Positive (+) Terminal - 2008 GMC Yukon | Owner's Manual - Page 420
could indicate a 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 rear axle assembly must be supported to get a true reading. How to Check Lubricant 1500 Series 5-52 - 2008 GMC Yukon | Owner's Manual - Page 421
1.6 inches (15 mm to 40 mm) below the bottom of the filler plug hole, located on the rear axle. Add only enough fluid to reach the proper level. • The to 1/2 inch (0 to 13 mm) below the bottom of the filler plug hole, located at the front of the axle. Add only enough fluid to reach the proper level - 2008 GMC Yukon | Owner's Manual - Page 422
Four-Wheel Drive Lubricant checks in this section also apply to these vehicles. There are two additional systems that need lubrication. How to Check Lubricant Transfer Case When to Check Lubricant It is not necessary to regularly check transfer case fluid unless you suspect there is a leak, or you - 2008 GMC Yukon | Owner's Manual - Page 423
Schedule to determine how often to change the lubricant. See Scheduled Maintenance on page 6-4. How to Check Lubricant To get an accurate Lubricants on page 6-13. Front Axle When to Check and Change Lubricant It is not necessary to regularly check front axle fluid unless you suspect there is a - 2008 GMC Yukon | Owner's Manual - Page 424
is below the bottom of the filler plug hole, located on the front axle, you may need to add some to your dealer/retailer for service if the headlamps need to be adjusted. It is -aim the headlamps as described. • When the differential is cold, add enough lubricant to raise the level from 0 (0 - 2008 GMC Yukon | Owner's Manual - Page 425
more information. • Be placed so the headlamps are 25 ft. (7.6 m) from a light colored wall. • Have all four tires on a level surface which is level all the way properly inflated. • Have the spare tire is in its proper location in the vehicle. Headlamp aiming is done with the vehicle's low-beam - 2008 GMC Yukon | Owner's Manual - Page 426
of the mark in Step 4. Notice: Do not cover a headlamp to improve beam cut-off when aiming. Covering a headlamp may cause excessive heat build-up which may allows only the beam of light from the headlamp being adjusted to be seen on the flat surface. 7. Locate the vertical headlamp aiming screws - 2008 GMC Yukon | Owner's Manual - Page 427
replacement bulbs, see Replacement Bulbs on page 5-61. For any bulb changing procedure not listed in this section, contact your dealer/retailer. Halogen Bulbs 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 (A) shows - 2008 GMC Yukon | Owner's Manual - Page 428
Remove the two screws from the taillamp assembly. If your vehicle is a Two-mode Hybrid, see the Two-mode Hybrid manual for more information. To replace one of these bulbs: 1. Open the liftgate. See Power Liftgate on page 2-15 for more information. 3. Pull the taillamp assembly rearward until you - 2008 GMC Yukon | Owner's Manual - Page 429
Exterior Lamp Back-up Lamp License Plate Lamp Rear Turn Signal Lamp, Taillamp, and Stoplamp Bulb Number 7441 168 3057KX For replacement bulbs not listed here, contact your dealer/retailer. 1. Remove the two screws holding each of the license plate lamps to the molding that is part of the liftgate - 2008 GMC Yukon | Owner's Manual - Page 430
. To replace the wiper blade assembly: 1. Pull the windshield wiper arm connector away from the windshield. 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 - 2008 GMC Yukon | Owner's Manual - Page 431
push the blade away from the wiper arm. 2. Pull the wiper blade assembly away from the backglass. The backglass wiper blade will not lock in a vertical position, so care should be used when pulling it away from the vehicle. 4. Replace the wiper blade. 5. Return the wiper blade assembly to the park - 2008 GMC Yukon | Owner's Manual - Page 432
questions about your tire warranty and where to obtain service, see your vehicle Warranty booklet for details. pressure. Tire pressure should be checked when your vehicle's tires are cold. See Inflation - Tire Pressure on page 5-72. CAUTION: (Continued) 20-Inch Tires If your vehicle has the optional - 2008 GMC Yukon | Owner's Manual - Page 433
is a combination of letters and numbers used to define a particular tire's width, height, aspect ratio, construction type, and service description. See the "Tire Size" fication Number (TIN): The letters and numbers following DOT code are the Tire Identification Number (TIN). The TIN shows the - 2008 GMC Yukon | Owner's Manual - Page 434
and the maximum pressure needed to support that load. For information on recommended tire pressure see Inflation - Tire Pressure on page 5-72 and Loading Your Vehicle on page 4-35. Light Truck (LT-Metric) Tire (A) Tire Size: The tire size code is a combination of letters and numbers used to de - 2008 GMC Yukon | Owner's Manual - Page 435
Identification Number (TIN): The letters and numbers following DOT code are the Tire Identification Number (TIN). The TIN shows the number of plies in the sidewall and under the tread. (G) Single Tire Maximum Load: Maximum load that can be carried and the maximum pressure needed to support that - 2008 GMC Yukon | Owner's Manual - Page 436
examples show the different 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 to - 2008 GMC Yukon | Owner's Manual - Page 437
of optional accessories. 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 - 2008 GMC Yukon | Owner's Manual - Page 438
rating for a tire at the maximum permissible inflation pressure for that tire. Maximum Loaded Vehicle Weight: The sum of curb weight, accessory weight, vehicle capacity weight, and production options weight. Normal Occupant Weight: The number of occupants a vehicle is designed to seat multiplied by - 2008 GMC Yukon | Owner's Manual - Page 439
an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight. Vehicle Placard: A label permanently attached to a vehicle showing the vehicle's capacity weight and the original equipment tire size and recommended inflation pressure. See "Tire and Loading Information Label - 2008 GMC Yukon | Owner's Manual - Page 440
to your vehicle. This label shows your vehicle's original equipment tires and the correct inflation pressures for your tires when they are cold. The recommended cold tire inflation pressure, shown on the label, is the minimum amount of air pressure needed to support your vehicle's maximum load - 2008 GMC Yukon | Owner's Manual - Page 441
) uses radio and sensor technology to 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 in the vehicle. Each tire, including the spare (if provided), should be checked monthly when cold and inflated - 2008 GMC Yukon | Owner's Manual - Page 442
the TPMS from functioning 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 TPMS to continue to function properly. See Tire Pressure Monitor Operation on page 5-75 - 2008 GMC Yukon | Owner's Manual - Page 443
(TPMS) sensors. Sensor damage caused by using a tire sealant is not covered by your warranty. Do not use liquid tire sealants. 5-75 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 - 2008 GMC Yukon | Owner's Manual - Page 444
missing or damaged. The DIC message and the TPMS malfunction light should go off when the TPMS sensors are installed and the sensor matching process is performed successfully. See your dealer/retailer for service. • Replacement tires or wheels do not match your vehicle's original equipment tires or - 2008 GMC Yukon | Owner's Manual - Page 445
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. the valve cap from the valve cap stem. Activate the TPMS sensor by increasing or decreasing the tire's air pressure for five seconds, or until a horn chirp sounds. - 2008 GMC Yukon | Owner's Manual - Page 446
sensor matching process is no longer active. The TIRE LEARNING ACTIVE message on the DIC display screen goes off. 9. Turn the ignition switch to LOCK/OFF. 10. Set all four tires to the recommended air pressure level as indicated on the Tire and Loading Information label. 11. Put the valve caps back - 2008 GMC Yukon | Owner's Manual - Page 447
page 5-124. {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 - 2008 GMC Yukon | Owner's Manual - Page 448
how fast this aging takes place, including temperatures, loading conditions, and inflation pressure maintenance. With proper care and maintenance tires will typically wear out before they degrade due to age. If you are unsure about the need to replace your tires as they get older, consult the tire - 2008 GMC Yukon | Owner's Manual - Page 449
brake system performance, ride and handling, traction control, and tire pressure monitoring performance. GM's TPC Spec number new. Replacing less than a full set of tires can affect the braking and handling size, brand, and type tires on all wheels. Your vehicle may have a different size spare - 2008 GMC Yukon | Owner's Manual - Page 450
, if your vehicle has electronic systems such as anti-lock brakes, rollover airbags, traction control, and electronic stability control, the performance of these systems can be affected. {CAUTION: If you add different sized wheels, your vehicle may not provide an acceptable level of performance - 2008 GMC Yukon | Owner's Manual - Page 451
rate of the tire when tested under controlled conditions on a specified government test course. conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service available on General Motors passenger cars and light trucks may vary with respect to - 2008 GMC Yukon | Owner's Manual - Page 452
to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the alignment might need to be checked. If you notice your vehicle vibrating when driving on a smooth road, the tires and wheels might need to be rebalanced. - 2008 GMC Yukon | Owner's Manual - Page 453
the right wheel, wheel bolts, wheel nuts, and TPMS sensors for your vehicle. {CAUTION: Using the wrong replacement wheels, wheel bolts, or wheel nuts on your vehicle can be dangerous. It could affect the braking and handling of your vehicle, make your tires lose air and make you lose control. You - 2008 GMC Yukon | Owner's Manual - Page 454
suddenly and cause a crash. If you have to replace a wheel, use a new GM original equipment wheel. If your vehicle has P265/65R18 or P275/55R20 size cause damage to the brakes, suspension, or other vehicle parts. The area damaged by the tire chains could cause you to lose control of your vehicle and - 2008 GMC Yukon | Owner's Manual - Page 455
or spinning the wheels with chains on will damage your vehicle. If a Tire Goes Flat It is you maintain your vehicle's tires properly. If air goes out of a tire, it is much control by steering the way you want the vehicle to go. It may be very bumpy and noisy, but you can still steer. Gently brake - 2008 GMC Yukon | Owner's Manual - Page 456
vehicle only for changing a flat tire. If a tire goes flat, the next part shows how to use the jacking equipment to change a flat tire safely. If your vehicle is a Two-mode Hybrid, see the Two-mode Hybrid manual for more information. If a tire goes flat, avoid further tire and wheel damage by driving - 2008 GMC Yukon | Owner's Manual - Page 457
this as a guide to assist you in the placement of wheel blocks. 4. Turn off the engine and do not restart while the vehicle is raised. 5. Do not allow passengers to remain in the vehicle. 6. Put the wheel blocks at the front and rear of the tire farthest away from the one being changed. That would - 2008 GMC Yukon | Owner's Manual - Page 458
to change a flat tire is stored under the storage tray, which is located on the driver side trim panel (over the rear wheelhouse). 2. Remove the wing nut (B) used to retain the tool bag by turning it counterclockwise. 3. Turn the knob (A) on the jack counterclockwise to release the jack and wheel - 2008 GMC Yukon | Owner's Manual - Page 459
Valve B. Hoist Shaft Stem Pointed Down) C. Hoist Shaft Access I. Hoist Shaft Cover/Hole Access Hole D. Jack Handle J. Hoist End of Extensions Extension Tool E. Wheel Wrench K. Spare Tire Lock F. Hoist Cable 1. Open the hoist shaft access door (C) on the bumper to access the spare tire lock (K). 5-91 - 2008 GMC Yukon | Owner's Manual - Page 460
pull it straight out. 4. Insert the open end of the extension (J) through the hole in the rear bumper (I) (hoist shaft access hole). 3. Assemble the two jack handle extensions (D) and wheel wrench (E) as shown. Be sure the hoist end (J) of the extension (D) connects to the hoist shaft (B). The - 2008 GMC Yukon | Owner's Manual - Page 461
lower. See Secondary Latch System on page 5-100 for more information. 6. Use the wheel wrench hook that allows you to pull the hoist cable towards you, to assist in the cable to access the tire/wheel retainer. Separate the retainer from the guide pin by sliding the retainer up the pin while pressing down - 2008 GMC Yukon | Owner's Manual - Page 462
the flat tire and raise the vehicle. 1. Do a safety check before proceeding. See Changing a Flat Tire on page 5-88 for more information. Once the retainer is separated from the guide pin, tilt the retainer and pull it through the center of the wheel along with the cable and latch. 8. Put the spare - 2008 GMC Yukon | Owner's Manual - Page 463
plastic nut caps will be retained in the hub cap after it is removed from the wheel. If your vehicle has only wheel nut caps, loosen the plastic nut caps with the wheel wrench in a counterclockwise direction. Jacking Locations (Overall View) A. Front Position B. Rear Position {CAUTION: 3. Use the - 2008 GMC Yukon | Owner's Manual - Page 464
damage, be sure to fit the jack lift head into the proper location before raising the vehicle. 4. Position the jack under the vehicle as use the jack handle (B) and only one jack handle extension (C). Attach the wheel wrench (D) to the jack handle extension (C). Attach the jack handle (B) to - 2008 GMC Yukon | Owner's Manual - Page 465
(D) to the jack handle extensions (C). Attach the jack handle (B) to the jack (A). Use the jacking pad provided on the rear axle. Turn the wheel wrench (D) clockwise to raise the vehicle. Raise the vehicle far enough off the ground so there is enough room for the spare tire to clear - 2008 GMC Yukon | Owner's Manual - Page 466
any rust or dirt from the wheel bolts, mounting surfaces and spare wheel. {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 - 2008 GMC Yukon | Owner's Manual - Page 467
pulsation and rotor damage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper sequence and to the proper torque specification. See Capacities and Specifications on page 5-124 for the wheel nut torque specification. 8. Put the wheel nuts back on with the rounded end of the - 2008 GMC Yukon | Owner's Manual - Page 468
assembly and you and others could get hurt. Read and follow the instructions listed next. • For center caps, line up the tab on the center cap with the slot on the wheel. The cap only goes on one way. Place the cap on the wheel and press until it snaps into place. • For bolt-on hub - 2008 GMC Yukon | Owner's Manual - Page 469
wrench counterclockwise until approximately 6 inches (15 cm) of cable is exposed. 6. Stand 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. 2. If it is - 2008 GMC Yukon | Owner's Manual - Page 470
8. Attach the jack handle, extension, and wheel wrench to the jack and place it (with the wheel blocks) under the vehicle toward the front of the rear bumper. 9. Position the center lift point of the jack under the center of the spare tire. 10. Turn the wrench clockwise to raise the jack until it - 2008 GMC Yukon | Owner's Manual - Page 471
hole in the bumper clockwise to raise the cable back up if the cable is hanging under the vehicle. Have the hoist assembly inspected as soon as you can. You will not be able to store a spare or flat tire using the hoist assembly until it has been replaced. To continue changing the flat - 2008 GMC Yukon | Owner's Manual - Page 472
Tire (Valve Stem B. Hoist Shaft Pointed Down) C. Hoist Shaft Access I. Hoist Shaft Cover/Hole Access Hole D. Jack Handle J. Hoist End of Extensions Extension Tool E. Wheel Wrench K. Spare Tire Lock F. Hoist Cable G. Tire/Wheel Retainer 1. Put the tire (H) on the ground at the rear of the vehicle - 2008 GMC Yukon | Owner's Manual - Page 473
toward the vehicle. Separate the tire/wheel retainer (D) from the guide pin. Pull the pin through the center of the wheel. Tilt the retainer down through the center wheel opening. Make sure the retainer is fully seated across the underside of the wheel. 3. Assemble the two jack handle extensions - 2008 GMC Yukon | Owner's Manual - Page 474
spare tire lock. 9. Reinstall the hoist shaft access cover. A. Wheel Blocks B. Tool Bag with Jack Tools C. Retaining Bracket D. Wing Nut Retaining Tool Bag E. Jack F. Wing Nut Retaining Wheel Blocks G. Wing Nut on Jack 1. Return the tools (wheel wrench, jack handle, and jack handle extensions) to - 2008 GMC Yukon | Owner's Manual - Page 475
tire is installed on your vehicle, do not drive in four-wheel drive until you can have your flat tire repaired and/or replaced. You could damage your vehicle, and the repair costs would not be covered by your warranty. Never use four-wheel drive when the different size spare tire is installed on your - 2008 GMC Yukon | Owner's Manual - Page 476
replaced as soon as you can and installed back onto your vehicle. This way, the spare tire will be available in case you need it again. Do not mix tires and wheels because newspapers and garments that transfer color to your home furnishings may also transfer color to your vehicle's interior. When - 2008 GMC Yukon | Owner's Manual - Page 477
surfaces. • Never apply heavy pressure or rub aggressively with a cleaning cloth. Use of heavy pressure can damage your interior and does of water is a good guide. • For solid dry soils: remove as much as possible and then vacuum. To clean, use the following instructions: 1. Saturate a lint- - 2008 GMC Yukon | Owner's Manual - Page 478
sold to preserve and protect soft plastic surfaces may permanently change the appearance and feel of your interior and are not cause annoying reflections in the windshield and even make it difficult to see through the windshield under certain conditions. Leather A soft cloth dampened with - 2008 GMC Yukon | Owner's Manual - Page 479
Check the cleaning product label. If it states that it should not be used on plastic parts, do not use it on your vehicle or damage may occur and it would not be covered by the warranty pressure car washes may cause water to enter the vehicle. Avoid using high pressure . During very cold, damp weather - 2008 GMC Yukon | Owner's Manual - Page 480
metal 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. Use special care with aluminum trim. To avoid damaging protective trim, never use auto or chrome polish - 2008 GMC Yukon | Owner's Manual - Page 481
the windshield thoroughly when you clean the blades. Bugs, road grime, sap and a buildup of vehicle wash/wax treatments may cause wiper streaking. Replace the wiper blades if they are worn or damaged. Wipers can be damaged by: • Extreme dusty conditions Notice: Chrome wheels and other chrome trim - 2008 GMC Yukon | Owner's Manual - Page 482
. The repairs would not be covered by your warranty. Never drive a vehicle equipped with aluminum or chrome-plated wheels through an automatic car wash that uses silicone carbide tire cleaning brushes. Finish Damage Any stone chips, fractures or deep scratches in the finish should be repaired right - 2008 GMC Yukon | Owner's Manual - Page 483
, road oil, and asphalt. Use on chrome or stainless steel. Removes soil and black marks from whitewalls and raised white lettering. Cleans vinyl. Wash Wax Concentrate Spot Lifter Odor Eliminator Usage Removes dirt, grime, smoke and fingerprints. Removes dirt and grime from chrome wheels. Removes - 2008 GMC Yukon | Owner's Manual - Page 484
Identification Number (VIN) 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 5-124 for your vehicle's engine code. Service Parts Identification - 2008 GMC Yukon | Owner's Manual - Page 485
system. Before attempting to add anything electrical to your vehicle, see Servicing Your Airbag-Equipped Vehicle on page 1-90. Power Windows and Other Power Options Circuit breakers protect the power windows and other power accessories. If the current load is too heavy, the circuit breaker opens - 2008 GMC Yukon | Owner's Manual - Page 486
Instrument 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 Not Used Body Control Module (BCM) Accessory Power - 2008 GMC Yukon | Owner's Manual - Page 487
Connector LT DR BODY BODY Usage Rear Wiper Not Used Driver Seat Module, Remote Keyless Entry System Not Used Usage Driver Door Harness Connection Harness Connector Harness Connector Top View Center Instrument Panel Fuse Block The center instrument panel fuse block is located underneath the - 2008 GMC Yukon | Owner's Manual - Page 488
your vehicle may damage it. Always keep the covers on any electrical component. To remove fuses, hold the end of the fuse between your thumb and index finger and pull straight out. Underhood Fuse Block The underhood fuse block is located in the engine compartment, on the driver side of the vehicle - 2008 GMC Yukon | Owner's Manual - Page 489
Sensors Antilock 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 Conditioning Compressor Oxygen Sensors - 2008 GMC Yukon | Owner's Manual - Page 490
Side High-Beam Headlamp Daytime Running Lamps Driver Side High-Beam Headlamps Daytime Running Lamps 2 Sunroof Key Ignition System, Theft Deterrent System Windshield Wiper SEO B2 Upfitter Usage (Battery) Electric Adjustable Pedals Climate Controls (Battery) Airbag System (Ignition) Fuses 41 42 - 2008 GMC Yukon | Owner's Manual - Page 491
Stud 2 (Trailer Brakes) Left Bussed Electrical Center 1 Electric Running Boards Heated Windshield Washer System Four-Wheel Drive System Stud 1 (Trailer Connector Battery Power) Mid-Bussed Electrical Center 1 Climate Control Blower Power Liftgate Module Left Bussed Electrical Center 2 Relays FAN HI - 2008 GMC Yukon | Owner's Manual - Page 492
Metric For the air conditioning system refrigerant charge amount, see the refrigerant caution label located under the hood. L 4.7 L 7.3 L Air Conditioning Refrigerant R134a Cooling System 4.8L V8 5.3L V8 6.0L V8 1500 Series 6.0L V8 2500 Series Engine Oil with Filter Fuel Tank Regular Extended 1500 - 2008 GMC Yukon | Owner's Manual - Page 493
Metric 6L90-Transmission 6.0 L Transfer Case Fluid 1.9 L Wheel Nut Torque 190 Y †Oil filter should be changed at every oil change. After refill, the level must be rechecked. Add enough engine coolant so that the fluid is within the proper operating range. Application Capacities English 6.3 qt 2.0 qt - 2008 GMC Yukon | Owner's Manual - Page 494
✍ NOTES 5-126 - 2008 GMC Yukon | Owner's Manual - Page 495
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 ...6-13 Maintenance Replacement Parts ...6-15 Engine Drive Belt Routing ...6-16 Maintenance Record ...6-17 - 2008 GMC Yukon | Owner's Manual - Page 496
Notice: Maintenance intervals, checks, inspections, replacement parts, and recommended fluids and lubricants as prescribed in this manual are necessary to keep your vehicle in good working condition. Any damage caused by failure to follow scheduled maintenance might not be covered by warranty. 6-2 - 2008 GMC Yukon | Owner's Manual - Page 497
using genuine parts. If you want to purchase service information, see Service 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. {CAUTION - 2008 GMC Yukon | Owner's Manual - Page 498
miles (1 000 km). It is possible that, if you are driving under the best conditions, the engine oil life system may not indicate that vehicle service is necessary for over a year. However, your engine oil and filter must be changed at least once a year and at this time the system must be reset. Your - 2008 GMC Yukon | Owner's Manual - Page 499
See Engine Oil Life System on page 5-18. An Emission Control Service. Lubricate chassis components. See footnote #. Visually check for any leaks or damage. See footnote (j). Inspect engine air cleaner filter or change indicator (if equipped). If necessary, replace filter. See Engine Air Cleaner/Filter - 2008 GMC Yukon | Owner's Manual - Page 500
filter restriction indicator: Replace engine air cleaner filter. See Engine Air Cleaner/Filter on page 5-19. Change automatic transmission fluid and filter (severe service). See footnote (h). Change automatic transmission fluid and filter (normal service). Four-wheel drive: Change transfer case fluid. See - 2008 GMC Yukon | Owner's Manual - Page 501
's useful life. We, however, urge 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 on 2500 series vehicles require lubrication - 2008 GMC Yukon | Owner's Manual - Page 502
the cooling system and pressure cap and cleaning the outside of the radiator and air conditioning condenser is recommended at least once a year. (d) Inspect wiper blades for wear, cracking, or contamination. Clean the windshield and wiper blades, if contaminated. Replace wiper blades that are worn - 2008 GMC Yukon | Owner's Manual - Page 503
(l) If you drive regularly under dusty conditions, inspect the filter at each engine oil change. (m) Visually inspect belt for fraying, excessive cracks, or obvious damage. Replace belt if necessary. Engine Oil Level Check Notice: It is important to check the engine oil regularly and keep it at the - 2008 GMC Yukon | Owner's Manual - Page 504
sure they are inflated to the correct pressures. Do not forget to check the spare tire. See Inflation - Tire Pressure on page 5-72. Check to make sure the spare tire is stored securely. See Changing a Flat Tire on page 5-88. At Least Once a Year Starter Switch Check {CAUTION: When you are doing this - 2008 GMC Yukon | Owner's Manual - Page 505
, turn the ignition to ON/RUN, but do not start the engine. Without applying the regular brake, try to move the shift lever out of PARK (P) with normal effort. If the shift lever moves out of PARK (P), contact your dealer/retailer for service. Ignition Transmission Lock Check While parked, and with - 2008 GMC Yukon | Owner's Manual - Page 506
with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. • To check the parking brake's holding ability: With the engine running and transmission in NEUTRAL (N), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the - 2008 GMC Yukon | Owner's Manual - Page 507
and lubricants identified below by name, part number, or specification can be obtained from your dealer/retailer. Fluid/Lubricant Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute Certified for Gasoline Engines Engine Oil starburst symbol. To determine the proper - 2008 GMC Yukon | Owner's Manual - Page 508
(Two-Wheel Drive with Auto. Trans.) Hood Hinges Fluid/Lubricant SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115. DEXRON®-VI Automatic Transmission Fluid. Usage Outer Tailgate Handle Pivot Points Weatherstrip Conditioning Spline - 2008 GMC Yukon | Owner's Manual - Page 509
Maintenance Replacement Parts Replacement parts identified below by name, part number, or specification can be obtained from your dealer/retailer. Maintenance Replacement Parts Part Engine Air Cleaner /Filter High Capacity Filter Standard Filter Oil Filter Spark Plugs Wiper Blades Front - 21.6 inches - 2008 GMC Yukon | Owner's Manual - Page 510
Engine Drive Belt Routing If your vehicle is a Two-mode Hybrid, see the Two-mode Hybrid manual for more information. 6-16 - 2008 GMC Yukon | Owner's Manual - Page 511
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 Yukon | Owner's Manual - Page 512
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-18 - 2008 GMC Yukon | Owner's Manual - Page 513
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-19 - 2008 GMC Yukon | Owner's Manual - Page 514
Maintenance Record (cont'd) Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6-20 - 2008 GMC Yukon | Owner's Manual - Page 515
Government ...7-14 Reporting Safety Defects to General Motors ...7-14 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 Yukon | Owner's Manual - Page 516
with the sales, service or parts manager, Number (VIN). This is available from the vehicle registration or title, or the plate at the top left of the instrument panel and visible through the windshield. • Dealership name and location. • Vehicle delivery date and present mileage. When contacting GMC - 2008 GMC Yukon | Owner's Manual - Page 517
Auto Line Program using the toll-free telephone number or write them at the following address: BBB Auto Motors reserves the right to change eligibility limitations and/or discontinue Canada Limited has committed to binding arbitration of owner disputes involving factory-related vehicle service - 2008 GMC Yukon | Owner's Manual - Page 518
Center allows you to: My GM Canada (Canada only) My GM Canada Canada section within www.gmcanada.com. • Get e-mail service reminders. • Access information about your specific vehicle, including tips and videos and an electronic version of this owner manual. • Keep track of your vehicle's service - 2008 GMC Yukon | Owner's Manual - Page 519
: 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 Yukon | Owner's Manual - Page 520
2438). For vehicles purchased in Canada, call 1-800-268-6800. Service is available 24 hours a day, 365 days a year. As the owner of a new GMC vehicle, you are automatically enrolled in the GMC Roadside Assistance program. GM Mobility Reimbursement Program Who is Covered? This program, available to - 2008 GMC Yukon | Owner's Manual - Page 521
reasons, propane and other alternative fuels will not be provided through this service. • Flat Tire Change: Installation of a spare tire in good condition, when equipped and properly inflated, is covered at no charge. The customer is responsible for the repair or replacement of the tire if not - 2008 GMC Yukon | Owner's Manual - Page 522
Assistance Representative: • Your name, home address, and home telephone number • Telephone number of your location • Location of the vehicle. • Model, year, color, and license plate number of the vehicle • Alternative Service (Canada only): There may be times, when Roadside Assistance cannot - 2008 GMC Yukon | Owner's Manual - Page 523
are proud to offer Courtesy Transportation, a customer support program for vehicles with the Bumper to Bumper (Base Warranty Coverage period in Canada) and extended powertrain warranty in both the U.S. and Canada. Several courtesy transportation options are available to assist in reducing your - 2008 GMC Yukon | Owner's Manual - Page 524
requires overnight warranty repairs, and public transportation is used instead of the dealer's shuttle service, the expense must be supported by original change or discontinue Courtesy Transportation at any time and to resolve all questions of claim eligibility pursuant to the terms and conditions - 2008 GMC Yukon | Owner's Manual - Page 525
/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 such parts are not covered by that warranty. Collision Parts Genuine GM Collision parts are new parts made - 2008 GMC Yukon | Owner's Manual - Page 526
will not specify aftermarket collision parts. When purchasing insurance, we recommend that you assure your vehicle will be repaired with GM original equipment collision parts. If such insurance coverage is not available from your current insurance carrier, consider switching to another insurance - 2008 GMC Yukon | Owner's Manual - Page 527
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 control of the repair and parts - 2008 GMC Yukon | Owner's Manual - Page 528
. However, NHTSA cannot become involved in individual problems between you, your dealer/retailer, or General Canada) in a situation like this, please notify General Motors. Call 1-800-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box 33172 Detroit, MI 48232-5172 In Canada - 2008 GMC Yukon | Owner's Manual - Page 529
Publications Ordering Information Service Manuals Service Manuals have the diagnosis and repair information on engines, transmission, axle suspension, brakes, electrical, steering, body, etc. Current and Past Model Order Forms Technical Service Bulletins and Manuals are available for current - 2008 GMC Yukon | Owner's Manual - Page 530
, 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 modules may store data to help - 2008 GMC Yukon | Owner's Manual - Page 531
of police or similar government office; as part of GM's defense of litigation through numbers, and other trip information. Refer to the navigation system operating manual for information on stored data and for deletion instructions OnStar services, please refer to the OnStar Terms and Conditions for - 2008 GMC Yukon | Owner's Manual - Page 532
✍ NOTES 7-18 - 2008 GMC Yukon | Owner's Manual - Page 533
A Accessories and Modifications ...5-3 Adding a Snow Plow or Similar Equipment ...4-41 Adding Equipment to Your Airbag-Equipped Vehicle ...1-90 Additives, Fuel ...5-6 Add-On Electrical Equipment ...5-117 Adjustable Throttle and Brake Pedal ...2-29 Air Cleaner/Filter, Engine ...5-19 Air Conditioning - 2008 GMC Yukon | Owner's Manual - Page 534
...5-110 Cargo Cover ...2-73 CD, MP3 ...3-103, 3-108 Center Console Storage Area ...2-71 Center Seat ...1-11 Chains, Tire ...5-86 Charging System Light ...3-43 Check Engine Light ...3-48 Checking Things Under the Hood ...5-12 B Battery ...5-45 Electric Power Management ...3-21 Run-Down Protection - 2008 GMC Yukon | Owner's Manual - Page 535
Washing Your Vehicle ...5-111 Weatherstrips ...5-111 Windshield, Backglass, and Wiper Blades ...5-113 Climate Control System ...3-23 Dual Automatic ...3-26 Outlet Adjustment ...3-33 Rear Air Conditioning and Heating System ...3-33 Rear Air Conditioning and Heating System, Electronic ...3-35 Clock - 2008 GMC Yukon | Owner's Manual - Page 536
Program ...7-6 Service Publications Ordering Information ...7-15 D Daytime Running Lamps Center Instrument Panel Fuse Block ...5-119 Fuses and Circuit Breakers ...5-117 Instrument Panel Fuse Block ...5-118 Power Windows and Other Power Options ...5-117 Underhood Fuse Block ...5-120 Windshield Wiper - 2008 GMC Yukon | Owner's Manual - Page 537
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 Yukon | Owner's Manual - Page 538
...1-54 Inflation - Tire Pressure ...5-72 Instrument Panel Overview ...3-4 Instrument Panel (I/P) Brightness ...3-20 Cluster ...3-38 H Hazard Warning Flashers ...3-6 Head Restraints ...1-10 Headlamp Aiming ...5-56 Headlamps Bulb Replacement ...5-59 Daytime Running Lamps ...3-17 Exterior Lamps - 2008 GMC Yukon | Owner's Manual - Page 539
...Brake System Warning ...Charging System ...Cruise Control ...Fog Lamp ...Highbeam On ...5-65 3-19 3-20 3-20 3-21 1-49 1-43 1-61 4-48 5-61 2-15 2-13 2-13 3-40 3-46 3-44 3-43 3-53 3-53 3-53 Light (cont.) Low Fuel Warning ...3-55 Malfunction Indicator ...3-48 Oil Pressure ...3-52 Passenger Airbag - 2008 GMC Yukon | Owner's Manual - Page 540
Maintenance Replacement Parts ...6-15 Maintenance Requirements ...6-2 Owner Checks and Services ...6-9 Recommended Fluids and Lubricants ...6-13 Scheduled Maintenance ...6-4 Using ...6-2 Your Vehicle and the Environment ...6-2 Malfunction Indicator Light ...3-48 Manual Lumbar Controls ...1-4 Manual - 2008 GMC Yukon | Owner's Manual - Page 541
...4-13 Off-Road Recovery ...4-11 Oil Engine ...5-15 Pressure Gage ...3-51 Pressure Light ...3-52 Oil, Engine Oil Life System ...5-18 Older Children, Restraints ...1-51 Online Owner Center ...7-4 OnStar, Privacy ...7-17 OnStar® System, see OnStar® Manual ...2-60 Operation, Universal Home Remote - 2008 GMC Yukon | Owner's Manual - Page 542
Manual ...3-114 Rear Seat Audio ...3-125 Reception ...3-129 Setting the Clock ...3-82 Theft-Deterrent ...3-127 Rainsense™ II Wipers ...3-10 Reading Lamps ...3-21 Rear Air Conditioning and Heating System ...3-33 Rear Air Conditioning and Heating System and Electronic Climate Controls ...3-35 - 2008 GMC Yukon | Owner's Manual - Page 543
Check Checking the Restraint Systems ...1-92 Replacing Restraint System Parts After a Crash ...1-93 Retained Accessory Power (RAP) ...2-27 Roadside Assistance Program ...7-6 Rocking Your Vehicle to Get it Out ...4-34 Routing, Engine Drive Belt ...6-16 Running Boards, Power ...2-18 Running the Engine - 2008 GMC Yukon | Owner's Manual - Page 544
/40) ...1-12 StabiliTrak® System ...4-6 StabiliTrak® Indicator Light ...3-46 Start Vehicle, Remote ...2-8 Starting the Engine ...2-28 Steering ...4-9 Steering Wheel Controls, Audio ...3-128 Steering Wheel, Tilt Wheel ...3-6 Storage Areas Center Console Storage Area ...2-71 Cupholder(s) ...2-71 Glove - 2008 GMC Yukon | Owner's Manual - Page 545
64 Operation ...2-64 Using this Manual ...iii V Vehicle Control ...4-3 Damage Warnings ...iv Loading ...4-35 Symbols ...iv Vehicle Customization, DIC ...3-72 Vehicle Data Recording and Privacy ...7-16 Vehicle Identification Number (VIN) ...5-116 Service Parts Identification Label ...5-116 Vehicle - 2008 GMC Yukon | Owner's Manual - Page 546
...iii Vehicle Damage ...iv Wheels Alignment and Tire Balance ...5-84 Different Size ...5-82 Replacement ...5-85 Where to Put the Restraint ...1-60 Windows ...2-19 Power ...2-20 Windshield Backglass, and Wiper Blades, Cleaning ...5-113 Rainsense™ II Wipers ...3-10 Washer ...3-11 Washer Fluid