2005 GMC YUKON climate control

Seats and Restraint Systems........................... 1-1
Front Seats
............................................... 1-3
Rear Seats
............................................... 1-8
Safety Belts
.............................................1-22
Child Restraints
.......................................1-43
Airbag System
.........................................1-66
Restraint System Check
............................1-81
Features and Controls..................................... 2-1
Keys
........................................................ 2-3
Doors and Locks
....................................... 2-8
Windows
.................................................2-14
Theft-Deterrent Systems
............................2-17
Starting and Operating Your Vehicle
...........2-19
Mirrors
....................................................2-41
OnStar
®System
......................................2-50
HomeLink®Wireless Control System
...........2-52
Storage Areas
.........................................2-56
Sunroof
..................................................2-60
Vehicle Personalization
.............................2-61
Instrument Panel............................................. 3-1
Instrument Panel Overview
.......................... 3-4
Climate Controls
......................................3-21
Warning Lights, Gages, and Indicators
........3-36
Driver Information Center (DIC)
..................3-54
Audio System(s)
.......................................3-74Driving Your Vehicle....................................... 4-1
Your Driving, the Road, and Your Vehicle
..... 4-2
Towing
...................................................4-62
Service and Appearance Care.......................... 5-1
Service
..................................................... 5-3
Fuel
......................................................... 5-5
Checking Things Under the Hood
...............5-10
All-Wheel Drive
........................................5-45
Rear Axle
...............................................5-46
Four-Wheel Drive
.....................................5-47
Front Axle
...............................................5-48
Bulb Replacement
....................................5-49
Windshield Wiper Blade Replacement
.........5-56
Tires
......................................................5-57
Appearance Care
.....................................5-95
Vehicle Identication
...............................5-104
Electrical System
....................................5-105
Capacities and Specications
...................5-114
Maintenance Schedule..................................... 6-1
Maintenance Schedule
................................ 6-2
Customer Assistance and Information.............. 7-1
Customer Assistance and Information
........... 7-2
Reporting Safety Defects
...........................7-10
Index.................................................................1
2005 GMC Yukon/Yukon XL Owner ManualM

Vehicle Damage Warnings
Also, in this manual you will nd these notices:
Notice:These mean there is something that could
damage your vehicle.
A notice tells about something that can damage the
vehicle. Many times, this damage would not be covered
by your vehicle’s warranty, and it could be costly. But
the notice will tell what to do to help avoid the damage.
When you read other manuals, you might see
CAUTION and NOTICE warnings in different colors or in
different words.
There are also warning labels on the vehicle. They use
the same words, CAUTION or NOTICE.
Vehicle Symbols
The vehicle has components and labels that use
symbols instead of text. Symbols are shown along with
the text describing the operation or information
relating to a specic component, control, message,
gage, or indicator.
If you need help guring out a specic name of a
component, gage, or indicator, reference the following
topics:
Seats and Restraint Systems in Section 1
Features and Controls in Section 2
Instrument Panel Overview in Section 3
Climate Controls in Section 3
Warning Lights, Gages, and Indicators in Section 3
Audio System(s) in Section 3
Engine Compartment Overview in Section 5
iv

The rear doors of your vehicle cannot be opened from
the inside when this feature is in use. If you want to
open the rear door while the security lock is engaged,
unlock the door and open the door from the outside.
Lockout Protection
This feature protects you from locking your key in the
vehicle when the key is in the ignition and a door
is open.
If the power lock switch is pressed when a door is open
and the key is in the ignition, all of the doors will lock
and then the driver’s door will unlock.
Liftgate
{CAUTION:
It can be dangerous to drive with the liftgate
glass, liftgate or rear doors open because
carbon monoxide (CO) gas can come into your
vehicle. You cannot see or smell CO. It can
cause unconsciousness and even death.
If you must drive with the liftgate glass,
liftgate, or rear doors open, or if electrical
wiring or other cable connections must pass
through the seal between the body and the
liftgate glass, liftgate, or rear doors:
Make sure all other windows are shut.
Turn the fan on your heating or cooling
system to its highest speed with the
setting on VENT or OUTSIDE AIR. That will
force outside air into your vehicle. See
Climate Control System on page 3-21.
If you have air outlets on or under the
instrument panel, open them all the way.
SeeEngine Exhaust on page 2-39.
2-13

Running the Engine While Parked
It is better not to park with the engine running. But if you
ever have to, here are some things to know.
{CAUTION:
Idling the engine with the climate control
system off could allow dangerous exhaust into
your vehicle. See the earlier caution under
Engine Exhaust on page 2-39.
Also, 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 a blizzard. See
Winter Driving on page 4-45.
{CAUTION:
It can be dangerous to get out of your vehicle
if the shift lever is not fully in PARK (P) with
the parking brake rmly set. Your vehicle can
roll. Do not leave your vehicle when the engine
is running unless you have to. If you have left
the engine running, the vehicle can move
suddenly. You or others could be injured. To
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).
2-40

Outside Automatic Dimming Mirror
If your vehicle is equipped with this feature, the
driver’s outside mirror will adjust for the glare of
headlamps behind you. This feature is controlled by the
on and off settings found on the electrochromic
mirror. SeeAutomatic Dimming Rearview Mirror with
Compass and Temperature Display on page 2-44.
Outside Curb View Assist Mirrors
If the vehicle has the memory package, the outside
mirrors are able to perform the curb view assist mirror
function. This feature will cause the passenger’s
and/or driver’s mirror to tilt to a preselected position
when the vehicle is in REVERSE (R). This feature may
be useful in allowing the driver to view the curb when
parallel parking. When the vehicle is shifted out of
REVERSE (R) and a short delay has occurred,
the passenger’s and/or driver’s mirror will return to its
original position.
To change the preselected tilt position, adjust the
mirrors to the desired position while the vehicle is in
REVERSE (R). When the vehicle is shifted out of
REVERSE (R), this new position is saved in memory as
the tilt position.
This feature can be turned on or off through the Driver
Information Center (DIC).
Outside Convex Mirror
Your passenger’s side mirror is convex. A convex
mirror’s surface is curved so you can see more from the
driver’s seat.
{CAUTION:
A convex mirror can make things (like other
vehicles) look farther away than they really are.
If you cut too sharply into the right lane, you
could hit a vehicle on your right. Check your
inside mirror or glance over your shoulder
before changing lanes.
Outside Heated Mirrors
The vehicle may have outside heated mirrors which
help clear them of condensation, snow, and ice.
When the rear window defogger button is pressed, the
heated mirrors are also turned on. See “Rear Window
Defogger” underDual Automatic Climate Control System
on page 3-24for more information.
2-49

Instrument Panel Overview...............................3-4
Hazard Warning Flashers................................3-6
Other Warning Devices...................................3-6
Horn.............................................................3-6
Tilt Wheel.....................................................3-6
Turn Signal/Multifunction Lever.........................3-7
Turn and Lane-Change Signals........................3-8
Headlamp High/Low-Beam Changer..................3-8
Flash-to-Pass.................................................3-9
Windshield Wipers..........................................3-9
Windshield Washer.......................................3-10
Cruise Control..............................................3-11
Headlamps..................................................3-14
Headlamps on Reminder................................3-15
Daytime Running Lamps (DRL).......................3-15
Automatic Headlamp System..........................3-16
Fog Lamps..................................................3-17
Auxiliary Roof Mounted Lamp.........................3-17
Instrument Panel Brightness...........................3-18
Dome Lamps...............................................3-18
Dome Lamp Override....................................3-18
Entry Lighting...............................................3-18
Exit Lighting.................................................3-18
Front Reading Lamps....................................3-19
Battery Run-Down Protection..........................3-19
Accessory Power Outlets...............................3-20
Ashtrays and Cigarette Lighter........................3-20Climate Controls............................................3-21
Climate Control System.................................3-21
Dual Climate Control System..........................3-22
Dual Automatic Climate Control System...........3-24
Outlet Adjustment.........................................3-30
Rear Air Conditioning System.........................3-30
Rear Air Conditioning and Heating System.......3-31
Rear Air Conditioning and Heating System and
Electronic Climate Controls.........................3-34
Warning Lights, Gages, and Indicators............3-36
Instrument Panel Cluster................................3-37
Speedometer and Odometer...........................3-38
Trip Odometer..............................................3-38
Tachometer.................................................3-38
Safety Belt Reminder Light.............................3-39
Airbag Readiness Light..................................3-39
Passenger Airbag Status Indicator...................3-40
Battery Warning Light....................................3-42
Voltmeter Gage............................................3-42
Brake System Warning Light..........................3-43
Anti-Lock Brake System Warning Light.............3-44
Traction Off Light..........................................3-45
Engine Coolant Temperature Gage..................3-46
Transmission Temperature Gage.....................3-46
Tire Pressure Light.......................................3-48
Malfunction Indicator Lamp.............................3-48
Oil Pressure Gage........................................3-51
Section 3 Instrument Panel
3-1

A. Dome Lamp Override Button. SeeDome Lamp
Override on page 3-18.
B. Headlamp Controls. SeeHeadlamps on page 3-14.
C. Air Outlets. SeeOutlet Adjustment on page 3-30.
D. Automatic Transfer Case Buttons. SeeFour
Wheel-Drive on page 2-27.
E. Turn Signal/Multifunction Lever. SeeTurn
Signal/Multifunction Lever on page 3-7.
F. Instrument Panel Cluster. SeeInstrument Panel
Cluster on page 3-37.
G. Gearshift Lever. SeeAutomatic Transmission
Operation on page 2-23.
H. Tow/Haul Selector Button (If Equipped).
SeeTow/Haul Mode on page 2-26.
I. Audio System. SeeAudio System(s) on page 3-74.
J. Dual Climate Control System or Dual Automatic
Climate Control System (If Equipped). See
Dual Climate Control System on page 3-22 or Dual
Automatic Climate Control System on page 3-24.
K. Instrument Panel Fuse Block. SeeInstrument Panel
Fuse Block on page 5-106.L. Hood Release. SeeHood Release on page 5-11.
M. Steering Wheel Control Buttons (If Equipped).
SeeDriver Information Center (DIC) on page 3-54
andAudio Steering Wheel Controls on page 3-131.
N. Center Instrument Panel Utility Block. SeeCenter
Instrument Panel Fuse Block on page 5-108.
O. Tilt Wheel Lever. SeeTilt Wheel on page 3-6.
P. Parking Brake Release. SeeParking Brake on
page 2-35.
Q. Cigarette Lighter. SeeAshtrays and Cigarette
Lighter on page 3-20. Accessory Power Outlets.
SeeAccessory Power Outlets on page 3-20.
R. Storage Area (If Equipped). SeeCenter Console
Storage Area on page 2-56.
S. Ashtray. SeeAshtrays and Cigarette Lighter on
page 3-20.
T. StabiliTrak
®or Traction Assist System (TAS) Button.
SeeStabiliTrak®System on page 4-10orTraction
Assist Sytem (TAS) System System on page 4-8.
U. Glovebox. SeeGlove Box on page 2-56.
3-5

Fog Lamps
If your vehicle has fog lamps, use them for better vision
in foggy or misty conditions.
The fog lamp button is
located on the left side of
the instrument panel.
Your parking lamps and/or low-beam headlamps must
be on for your fog lamps to work.
Press the button to turn the fog lamps on. Press the
button again to turn them off. An indicator light will glow
in the button when the fog lamps are on.
Remember, fog lamps alone will not give off as much
light as your headlamps. Never use your fog lamps
in the dark without turning on your headlamps.
The fog lamps will go off whenever your high-beam
headlamps come on. When the high beams go off, the
fog lamps will come on again.The fog lamps will be cancelled after the ignition is
turned off. If you still want to use the fog lamps after
you restart the vehicle, you will need to press the
fog lamp button again.
Auxiliary Roof Mounted Lamp
If your vehicle has this feature, this button includes
wiring provisions for a dealer or a qualied service
center to install an auxiliary roof lamp.
This button is located
on the center of the
instrument panel near
the climate controls.
When the wiring is connected to an auxiliary roof
mounted lamp, pressing the button will activate the
lamp and illuminate an indicator light near the button.
Pressing the button again will turn off the roof
mounted lamp.
3-17