2008 GMC YUKON DENALI center console

The accessory power outlets are powered, even with
the ignition off. Continuing to use accessory power
outlets while the ignition is in LOCK/OFF may cause the
vehicle’s battery to run down.
Notice:If electrical devices are left plugged into a
power outlet, the battery may drain causing your
vehicle not to start or damage to the battery.
This would not be covered by the warranty. Always
unplug all electrical devices when turning off
your vehicle.
Certain accessory plugs may not be compatible to the
accessory power outlet and could result in blown
adapter or vehicle fuses. If you experience a problem,
see your dealer/retailer for additional information on
the accessory power plugs.
Notice:Adding any electrical equipment to your
vehicle may damage it or keep other components
from working as they should. The repairs would not
be covered by your warranty. Do not use equipment
exceeding maximum amperage rating of 20 amperes.
Check with your dealer/retailer before adding
electrical equipment.
When adding electrical equipment, be sure to follow the
proper installation instructions included with the
equipment. Do not use equipment exceeding the
maximum amperage rating of 20 amperes.Notice:Improper use of the power outlet can cause
damage not covered by your warranty. Do not
hang any type of accessory or accessory bracket
from the plug because the power outlets are
designed for accessory power plugs only.
Ashtray(s) and Cigarette Lighter
The front ashtray is located near the center of the
instrument panel or on the front console, if equipped.
Pull on the ashtray door to open it.
Notice:If you put papers, pins, or other ammable
items in the ashtray, hot cigarettes or other
smoking materials could ignite them and possibly
damage your vehicle. Never put ammable items in
the ashtray.
To remove the front ashtray pull the ashtray up.
To use the cigarette lighter, push it in all the way, and
let go. When it’s ready, it will pop back out by itself.
Notice:Holding a cigarette lighter in while it
is heating does not let the lighter back away from
the heating element when it is hot. Damage from
overheating can occur to the lighter or heating
element, or a fuse could be blown. Do not hold a
cigarette lighter in while it is heating.
3-22

Outlet Adjustment
Use the air outlets located in the center and on the side
of the instrument panel to direct the airow.
Operation Tips

Clear away any ice, snow, or leaves from air inlets
at the base of the windshield that could block the
ow of air into your vehicle.
Keep the path under the front seats clear of objects
to help circulate the air inside of the vehicle more
effectively.
Use of non-GM approved hood deectors can
adversely affect the performance of the system.
Check with your dealer/retailer before adding
equipment to the outside of your vehicle.
Rear Air Conditioning and 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, press the AUX button on the
front climate control system, an indicator will be
lit. Pressing the AUX button the rst time will turn the
rear system on in a mimic mode. In this mode, the
airow in the rear will be approximately the same
direction, temperature, and fan speed as the front.
Pressing the AUX button again turns the rear system
and the indicator off.
If the rear controls are adjusted, the system enters a
rear independent mode. Airow in the rear will then be
directed according to the settings of rear controls.
The rear system can be turned off by pressing the AUX
button on the front climate control system and the
indicator will turn off.
If the indicator in the front AUX button is off, the rear
system is off.
3-29

{CAUTION:
If the airbag readiness light stays on after you
start your vehicle, it means the airbag system
may not be working properly. The airbags in
your vehicle may not inate in a crash, or they
could even inate without a crash. To help
avoid injury to yourself or others, have your
vehicle serviced right away if the airbag
readiness light stays on after you start your
vehicle.
The airbag readiness light should ash for a few
seconds when you start the engine. If the light does not
come on then, have it xed immediately. If there is a
problem with the airbag system, an airbag Driver
Information Center (DIC) message may also come on.
SeeDIC Warnings and Messages on page 3-56for
more information.
Passenger Airbag Status Indicator
Your vehicle has the passenger sensing system.
Your overhead console has a passenger airbag status
indicator.
When you start the vehicle, the passenger airbag status
indicator will light ON and OFF, or the symbol for on
and off, for several seconds as a system check.
Then, after several more seconds, the status indicator
will light either ON or OFF, or either the on or off symbol
to let you know the status of the right front passenger’s
frontal airbag.United States
Canada
3-35

Audio System (cont.)
Theft-Deterrent Feature...............................3-116
XM™ Satellite Radio Antenna System...........3-119
Audio System(s).............................................3-76
Rear Side Window Antenna.........................3-119
Automatic Headlamp System............................3-18
Automatic Transmission
Fluid..........................................................5-20
Operation...................................................2-30
Autoride
®.......................................................4-41
B
Battery..........................................................5-39
Electric Power Management..........................3-20
Run-Down Protection...................................3-21
Bench Seat, Split (60/40)................................... 1-9
Brake
Emergencies................................................ 4-5
Brakes..........................................................5-36
System Warning Light..................................3-39
Braking........................................................... 4-3
Braking in Emergencies..................................... 4-5
Break-In, New Vehicle.....................................2-25
Bucket Seats, Rear.........................................1-16
Bulb Replacement...........................................5-50
Halogen Bulbs............................................5-50
Headlamp Aiming........................................5-48
License Plate Lamps....................................5-52Bulb Replacement (cont.)
Replacement Bulbs......................................5-52
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-51
Buying New Tires...........................................5-70
C
Calibration.....................................................2-40
California Fuel.................................................. 5-5
California Perchlorate Materials Requirements....... 5-4
California Proposition 65 Warning....................... 5-3
Canadian Owners................................................ ii
Capacities and Specications..........................5-114
Carbon Monoxide...........2-13, 2-15, 2-38, 4-29, 4-42
Care of
Safety Belts..............................................5-101
Cargo Cover..................................................2-61
CD, MP3 ...............................................3-94, 3-99
Center Console Storage Area...........................2-59
Chains, Tire...................................................5-76
Charging System Light....................................3-37
Check
Engine Light...............................................3-42
Checking Things Under the Hood......................5-10
Chemical Paint Spotting.................................5-105
Child Restraints
Child Restraint Systems...............................1-56
Infants and Young Children...........................1-52
2

Spare Tire (cont.)
Storing.......................................................5-94
Specications, Capacities...............................5-114
Speedometer..................................................3-33
Split Bench Seat (60/40).................................... 1-9
StabiliTrak
®System.......................................... 4-6
StabiliTrak®Indicator Light................................3-40
Start Vehicle, Remote....................................... 2-8
Starting the Engine.........................................2-27
Steering.......................................................... 4-8
Steering Wheel Controls, Audio.......................3-117
Steering Wheel, Heated..................................... 3-7
Steering Wheel, Tilt Wheel................................. 3-7
Storage Areas
Center Console Storage Area........................2-59
Convenience Net.........................................2-60
Cupholder(s)...............................................2-58
Glove Box..................................................2-58
Instrument Panel Storage Area......................2-59
Luggage Carrier..........................................2-59
Rear Storage Area.......................................2-60
Stuck in Sand, Mud, Ice, or Snow.....................4-32
Sun Visors.....................................................2-21
Sunroof.........................................................2-62
T
Tachometer....................................................3-33
Taillamps
Turn Signal, Stoplamps and Back-up Lamps....5-51
Theft-Deterrent, Radio....................................3-116
Theft-Deterrent Systems...................................2-21
Content Theft-Deterrent................................2-22
PASS-Key
®III+...........................................2-23
PASS-Key®III+ Operation.............................2-24
Third Row Seat..............................................1-23
Tilt Wheel........................................................ 3-7
Time, Setting..................................................3-74
Tire
Pressure Light.............................................3-41
Tires.............................................................5-55
Aluminum Wheels, Cleaning........................5-104
Buying New Tires........................................5-70
Chains.......................................................5-76
Changing a Flat Tire....................................5-78
Cleaning...................................................5-104
Different Size..............................................5-72
High-Speed Operation..................................5-62
If a Tire Goes Flat.......................................5-77
12