2008 GMC ENVOY steering

OnStar Hands-Free Calling
OnStar Hands-Free Calling allows eligible OnStar
subscribers to make and receive calls using voice
commands. Hands-Free Calling is fully integrated into
the vehicle, and can be used with OnStar Pre-Paid
Minute 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 nd out more, refer to the OnStar
Owner’s Guide in the vehicle’s glove box, visit
www.onstar.com or www.onstar.ca, or speak with
an OnStar advisor by pressing the OnStar button
or calling 1-888-4-ONSTAR (1-888-466-7827).
OnStar Virtual Advisor
OnStar Virtual Advisor is a feature of OnStar
Hands-Free Calling that uses your minutes to access
location-based weather, local traffic reports, and stock
quotes. By pressing the phone button and giving a few
simple voice commands, you can browse through the
various topics. See the OnStar Owner’s Guide for more
information (Only available in the continental U.S.).
OnStar Steering Wheel Controls
Your vehicle may have a Talk/Mute button that can
be used to interact with OnStar Hands-Free Calling.
SeeAudio Steering Wheel Controls on page 3-101
for more information.
On some vehicles, you may have to hold the button for
a few seconds and give the command “ONSTAR” to
activate the OnStar Hands-Free Calling.
On some vehicles, the mute button can be used to
dial numbers into voicemail systems, or to dial phone
extensions. See the OnStar Owner’s Guide for
more information.
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Security Light...............................................3-46
Cruise Control Light......................................3-46
Reduced Engine Power Light.........................3-46
Highbeam On Light.......................................3-47
Service Four-Wheel Drive Warning Light..........3-47
Check Gages Warning Light...........................3-47
Gate Ajar Light.............................................3-48
Fuel Gage...................................................3-48
Low Fuel Warning Light.................................3-49
Check Gas Cap Light....................................3-49
Driver Information Center (DIC).......................3-49
DIC Operation and Displays...........................3-50
DIC Warnings and Messages.........................3-53
DIC Vehicle Customization.............................3-58Audio System(s).............................................3-65
Setting the Clock..........................................3-66
Radio(s)......................................................3-66
Using an MP3..............................................3-82
XM Radio Messages.....................................3-86
Navigation/Radio System...............................3-87
Rear Seat Entertainment (RSE) System...........3-87
Rear Seat Audio (RSA)................................3-100
Theft-Deterrent Feature................................3-101
Audio Steering Wheel Controls......................3-101
Radio Reception.........................................3-102
Fixed Mast Antenna....................................3-103
XM™ Satellite Radio Antenna System............3-103
Chime Level Adjustment...............................3-103
Section 3 Instrument Panel
3-2

The main components of your instrument panel are the following:
A. Exterior Lamp Control. SeeHeadlamps on
page 3-14. Dome Lamp Override Button.
SeeDome Lamp Override on page 3-17. Instrument
Panel Brightness Control. SeeInstrument Panel
Brightness on page 3-17. Fog Lamp Button
(If Equipped). SeeFog Lamps on page 3-16.
B. Air Outlets. SeeOutlet Adjustment on page 3-28.
C. Turn Signal/Multifunction Lever. SeeTurn
Signal/Multifunction Lever on page 3-7.
D. OnStar and Audio Steering Wheel Controls.
SeeAudio Steering Wheel Controls on page 3-101.
E. Instrument Panel Cluster. SeeInstrument Panel
Cluster on page 3-31.
F. Audio Steering Wheel Controls. SeeAudio Steering
Wheel Controls on page 3-101.
G. Ignition Switch. SeeIgnition Positions on page 2-21.
H. Audio System. SeeAudio System(s) on page 3-65.
I. Climate Controls. SeeDual Climate Control
System on page 3-21.
J. Hood Release. SeeHood Release on page 5-11.K. Driver Information Center (DIC) Steering Wheel
Controls. SeeDriver Information Center (DIC)
on page 3-49.
L. Transfer Case Controls. See “Automatic Transfer
Case” underFour-Wheel Drive on page 2-29.
M. Shift Lever and StabiliTrak
®(If Equipped) Button.
SeeShifting Into PARK (P) on page 2-34and
StabiliTrak
®System on page 4-6.
N. Lighter. SeeAshtray(s) and Cigarette Lighter on
page 3-20.
O. Accessory Power Outlets. SeeAccessory Power
Outlet(s) on page 3-20.
P. Parking Brake. SeeParking Brake on page 2-33.
Q. Rear Window Washer/Wiper. See “Rear Window
Washer/Wiper” underWindshield Washer on
page 3-9.
R. Rear Window Defogger. See “Rear Window
Defogger” underDual Climate Control System on
page 3-21andDual Automatic Climate Control
System on page 3-23.
S. Glove Box. SeeGlove Box on page 2-57.
3-5

Hazard Warning Flashers
The hazard warning ashers warn others. They also
let the police and other emergency vehicles know you
have a problem.
The hazard warning
asher button is located
on top of the steering
column.
Press the button to make the front and rear turn signal
lamps ash on and off. Press the button again to turn the
ashers off.
The hazard warning ashers work no matter what
ignition position the key is in, and even if the key is
not in the ignition.
When the hazard warning ashers are on, your vehicle’s
turn signals will not work.
Other Warning Devices
If you carry reective 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 horn symbols on the
steering wheel pad.
Tilt Wheel
The tilt lever is on the
outboard side of the
steering column, under
the turn signal lever.
Do not adjust the steering wheel while driving.
Hold the steering wheel and pull the lever toward you to
change the position, then release the lever to lock.
3-6

Turn Signal/Multifunction Lever
The lever on the left side of the steering column
includes the following:
GTurn and Lane Change Signals
23Headlamp High/Low-Beam Changer
Flash-to-Pass Feature
NWindshield Wipers
JWindshield Washer
ICruise Control
Turn and Lane-Change Signals
The turn signal has two upward and two downward
positions.
To signal a turn, move the lever all the way up or down.
When the turn is nished, the lever returns automatically.
An arrow on the instrument
panel cluster ashes in the
direction of the turn or
lane change.
To signal a lane change, raise or lower the lever until
the arrow starts to ash. Hold it there until your lane
change is completed. The lever returns by itself when
released.
If the arrows ash more quickly than normal, a signal
bulb could be burned out. Replace the bulb. If the arrows
do not go on at all when you signal a turn, check the
fuse. SeeFuses and Circuit Breakers on page 5-110
and check for burned-out bulbs.
If you have a trailer towing option with added wiring for
the trailer lamps, a turn signal asher is used. With this
asher installed, the signal indicator ashes even if a turn
signal bulb is burned out. Check the front and rear turn
signal lamps regularly to make sure they are working.
3-7

Rear Window Wiper/Washer
{CAUTION:
In freezing weather, do not use your washer
until the windshield is warmed. Otherwise the
washer uid can form ice on the windshield,
blocking your vision.
The rear window/washer
control is located to the
right of the steering wheel
on the instrument panel.To turn the rear wiper on, turn the control to either 1, 2,
or 3. For delayed wiping, turn the control to 1 or 2. For
steady wiping, turn the control to 3. To turn the wiper off,
turn the control to 0.
To wash the rear window, press the washer symbol
located in the center of the control.
The rear window washer uses the uid from the same
reservoir as the windshield washer. However, the
rear window washer runs out of uid before the
windshield washer. If you can wash your windshield
but not your rear window, check the uid level.
3-10

Ending Cruise Control
There are three ways to turn off the cruise control:
Step lightly on the brake pedal.
Move the cruise switch to off, or
Shift the transmission to NEUTRAL (N).
Erasing Speed Memory
When you turn off the cruise control or the ignition,
the cruise control set speed memory is erased.
Headlamps
The exterior lamps knob
is located on your
instrument panel to the
left of the steering wheel.
c(Off):Turn the knob to this symbol and release
it to turn off the Daytime Running Lamps (DRL) and the
Automatic Headlamps (AHS). An indicator illuminates
when the position is selected. This position is not
available for vehicles rst sold in Canada.
?(Automatic DRL/AHS):Turn the knob to this
symbol to put the system into automatic headlamp mode.
;(Parking Lamps):Turn the knob to this symbol
to turn on the parking lamps, as well as the following:
Sidemarker Lamps
Taillamps
License Plate Lamps
Instrument Panel Lights
2(Headlamps):Turn the knob to this symbol
to turn on the headlamps, as well as the following:
Parking Lamps
Sidemarker Lamps
Taillamps
License Plate Lamps
Instrument Panel Lights
3-14

Low Fuel Warning Light
The light next to the fuel gage will come on briey when
you are starting the engine.
This light comes on when the fuel tank is low on fuel.
To turn it off, add fuel to the fuel tank. SeeFuel on
page 5-5.
Check Gas Cap Light
If your vehicle has this
light, it will come on if your
gas cap is not securely
fastened.
SeeMalfunction Indicator Lamp on page 3-41for more
information.
Driver Information Center (DIC)
Your vehicle may have this feature. The Driver
Information Center (DIC) display is located on the
instrument panel cluster, below the speedometer.
If your vehicle has DIC buttons, they are located on
the steering wheel. The DIC can display information
such as the trip odometer, fuel economy, customization
features, and warning/status messages.
If your vehicle does not have DIC steering wheel
buttons, you will not have all of the features listed.
Scroll through the odometer and trip odometer by
pressing the trip odometer reset stem located on the
instrument panel cluster. Turn off, or acknowledge, DIC
messages by pressing the trip odometer reset stem.
SeeSpeedometer and Odometer on page 3-32for
information on features for vehicles without DIC buttons.
3-49