
To use this feature, do the following:
1. Move the shift lever to M (Manual Mode).
2. Press the plus/minus buttons, located on the
steering column shift lever, to select the desired
range of gears for the current driving conditions.
When M (Manual Mode) is selected a number displays
next to the M, indicating the current gear.
This number is the highest gear that can be used.
However, the vehicle can automatically shift to lower
gears as it adjusts to driving conditions. This means
that all gears below that number are available. When
5 (Fifth) is selected, 1 (First) through 5 (Fifth) gears
are automatically shifted by the vehicle, but 6 (Sixth)
cannot be used until the plus/minus button located
on the steering column lever is used to change to
the gear.
Grade Braking is not available when Range Selection
Mode is active. SeeTow/Haul Mode on page 2-38.While using Range Selection Mode, cruise control and
the Tow/Haul mode can be used.
Notice:Spinning the tires or holding the vehicle
in one place on a hill using only the accelerator
pedal may damage the transmission. The repair
will not be covered by the vehicle warranty. If you
are stuck, do not spin the tires. When stopping on a
hill, use the brakes to hold the vehicle in place.
Low Traction Mode
If the vehicle has the Hydra-Matic®6-Speed Automatic
Transmission, it has a Low Traction Mode that assists
in vehicle acceleration when road conditions are
slippery, such as with ice or snow. While the vehicle is
at a stop, select the second gear range using Range
Selection Mode. This will limit torque to the wheels after
it detects wheel slip, preventing the tires from spinning.
2-37

Four-Wheel Drive
If the vehicle has four-wheel drive, you can send the
engine’s driving power to all four wheels for extra
traction. Read the following before using four-wheel
drive.
Notice:Driving on clean, dry pavement in
Four-Wheel-Drive High or Four-Wheel-Drive Low for
an extended period of time may cause premature
wear on your vehicle’s powertrain. Do not drive on
clean, dry pavement in Four-Wheel-Drive High or
Four-Wheel-Drive Low for extended periods of time.
While driving on clean dry pavement and during tight
turns, you may experience a vibration in the steering
system.
The vehicle has StabiliTrak
®. Shifting into
Four-Wheel-Drive Low will turn Traction Control
and StabiliTrak
®off. SeeStabiliTrak®System on
page 4-6.
Front Axle
The front axle engages and disengages automatically
when you shift the transfer case. Some delay for
the axle to engage or disengage is normal.
Automatic Transfer Case
The transfer case knob is
located to the left of the
instrument panel cluster.
Use this dial to shift into and out of four-wheel drive.
You can choose among ve driving settings:
Indicator lights in the switches show you which setting
you are in. The indicator lights will come on brie y when
you turn on the ignition and the last chosen setting will
stay on. If the lights do not come on, you should take the
vehicle to your dealer/retailer for service. An indicator
light will ash while shifting. It will stay on when the shift is
completed. If for some reason the transfer case cannot
make a requested shift, it will return to the last chosen
setting.
2-40

OnStar Virtual Advisor
OnStar Virtual Advisor is a feature of OnStar
Hands-Free Calling that uses minutes to access
location-based weather, local traffic reports, and
stock quotes. Press the phone button and give a
few simple voice commands to browse through the
various topics. See the OnStar Owner’s Guide for
more information. This feature is only available in
the continental U.S.
OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can
be used to interact with OnStar Hands-Free Calling.
SeeAudio Steering Wheel Controls on page 3-138for
more information.
On some vehicles, the mute button can be used to dial
numbers into voice mail systems, or to dial phone
extensions. See the OnStar Owner’s Guide for more
information.
How OnStar Service Works
The OnStar system can record and transmit vehicle
information. This information is automatically sent to an
OnStar Call Center when the OnStar button is pressed,
the emergency button is pressed, or if the airbags or
AACN system deploy. This information usually includes
the vehicle’s GPS location and, in the event of a crash,
additional information regarding the crash that the vehicle
was involved in (e.g. the direction from which the vehicle
was hit). When the Virtual Advisor feature of OnStar
Hands-Free Calling is used, the vehicle also sends
OnStar the vehicle’s GPS location so they can provide
services where it is located.
OnStar service cannot work unless the vehicle is in a
place where OnStar has an agreement with a wireless
service provider for service in that area. OnStar service
also cannot work unless the vehicle is in a place where
the wireless service provider OnStar has hired for that
area has coverage, network capacity and reception when
the service is needed, and technology that is compatible
with the OnStar service. Not all services are available
everywhere, particularly in remote or enclosed areas, or
at all times.
Location information about the vehicle is only available
if the GPS satellite signals are unobstructed and
available.
2-70

Oil Pressure Light.........................................3-48
Security Light...............................................3-48
Fog Lamp Light............................................3-49
Cruise Control Light......................................3-49
Highbeam On Light.......................................3-49
Tow/Haul Mode Light....................................3-49
Fuel Gage...................................................3-50
Low Fuel Warning Light.................................3-51
Driver Information Center (DIC).......................3-51
DIC Operation and Displays
(With DIC Buttons)....................................3-52
DIC Operation and Displays
(Without DIC Buttons)................................3-58
DIC Compass..............................................3-61
DIC Warnings and Messages.........................3-64
DIC Vehicle Customization
(With DIC Buttons)....................................3-74Audio System(s).............................................3-83
Setting the Clock..........................................3-84
Radio(s)......................................................3-86
Using an MP3 (Radio with CD or
Six-Disc CD Player).................................3-105
Using an MP3 (Radio with CD and DVD
Player)...................................................3-109
XM Radio Messages...................................3-114
Navigation/Radio System..............................3-115
Bluetooth
®.................................................3-115
Rear Seat Entertainment (RSE) System.........3-127
Rear Seat Audio (RSA)................................3-136
Theft-Deterrent Feature................................3-138
Audio Steering Wheel Controls......................3-138
Radio Reception.........................................3-139
Rear Side Window Antenna..........................3-140
XM™ Satellite Radio Antenna System............3-140
Section 3 Instrument Panel
3-2

The main components of the instrument panel are the following:
A.Outlet Adjustment on page 3-30.
B.Turn Signal/Multifunction Lever on page 3-7.
C.Instrument Panel Cluster on page 3-35.
D.Hazard Warning Flashers on page 3-6.
E. Shift Lever. SeeAutomatic Transmission Operation
on page 2-32.
F.Tow/Haul Mode on page 2-38(If Equipped).
G.Driver Information Center (DIC) on page 3-51.
H.Audio System(s) on page 3-83.
I.Exterior Lamps on page 3-14.
J.Dome Lamp Override on page 3-19.Instrument
Panel Brightness on page 3-18.Fog Lamps
on page 3-17(If Equipped).
K.Hood Release on page 5-13.
L. Integrated Trailer Brake Controller (If Equipped).
Towing a Trailer on page 4-50.
M. Automatic Transfer Case Control. (If Equipped). See
Four-Wheel Drive on page 2-40.N.Cruise Control on page 3-12.
O.Tilt Wheel on page 3-6.
P.Horn on page 3-6.
Q.Audio Steering Wheel Controls on page 3-138.
R.Climate Control System on page 3-22orDual
Automatic Climate Control System on page 3-24
(If Equipped).
S.Accessory Power Outlet(s) on page 3-20. Cigarette
Lighter (If Equipped). SeeAshtray(s) and Cigarette
Lighter on page 3-21.
T.StabiliTrak
®System on page 4-6(If Equipped).
Pedal Adjust Button (If Equipped). SeeAdjustable
Throttle and Brake Pedal on page 2-30.Ultrasonic
Rear Parking Assist (URPA) on page 2-56
(If Equipped). Heated Windshield Washer Fluid
Button (If Equipped). SeeWindshield Washer on
page 3-10.Power Assist Steps on page 2-18
(If Equipped).
U.Glove Box on page 2-78.
3-5