
SERV (Service) 4WD
(Four-Wheel Drive)
This message will be displayed when there is a problem
with the transfer case control system. Check the
transfer case on your vehicle and have it serviced by
your GM dealer. SeeAll-Wheel Drive on page 2-22
for more information about the transfer case. Press and
release the reset stem to acknowledge the message
and clear it from the display.
SERVICE STAB (Stability)
SYS (System)
If your vehicle has StabiliTrak®, this message will be
displayed if there is a problem with the StabiliTrak®
system. You should have your vehicle serviced by your
GM dealer. SeeStabiliTrak®System (Automatic
Transmission) on page 4-11for more information.
SERV (Service) TPM
(Tire Pressure Monitor)
This message will be displayed if any of the tire monitor
sensors have malfunctioned, if the tire monitor sensors
have not been programmed, or if the recommended
tire pressures are not programmed. See your GM dealer
for service. Press and release the reset stem to
acknowledge the message and clear it from the display.
This message will appear at each ignition cycle until
the system is serviced. See your GM dealer.
SeeTire Pressure Monitor System on page 5-61for
more information.
SERV (Service) VEH (Vehicle)
This message will be displayed if your vehicle needs
service. You should have your vehicle serviced by your
GM dealer as soon as possible.
STAB (Stability) SYS (System) OFF
If your vehicle has StabiliTrak®, this message will be
displayed when the StabiliTrak®system is turned
off. SeeStabiliTrak®System (Automatic Transmission)
on page 4-11for more information.
3-47

TRAC (Traction) OFF
This message along with the traction off light will be
displayed when the traction control system is turned off
by pressing the TCS button. SeeTraction Off Light
on page 3-33andTraction Control System (TCS) on
page 4-9for more information.
TRACTION FAILED
This message will be displayed if there is a problem
with the traction control system. Check the traction
control system as soon as possible and have your
vehicle serviced by your GM dealer. SeeTraction
Control System (TCS) on page 4-9for more information.
Press and release the reset stem to acknowledge the
message and clear it from the display.
TURN SIGNAL
This message will be displayed when the turn signal is
on for approximately 0.75 miles (1.2 km) of travel.
Press and release the reset stem to acknowledge the
message and clear it from the display.
Audio System(s)
Driving without distraction is a necessity for a safer
driving experience. SeeDefensive Driving on page 4-2.
By taking a few moments to read this manual and
get familiar with your vehicle’s audio system, you can
use it with less effort, as well as take advantage of
its features. While your vehicle is parked, program your
favorite radio stations and XM™ channels (if equipped).
Set the tone and balance the way you like them.
Then when driving conditions permit, you can tune to
your favorite stations using the presets and steering
wheel controls (if equipped).
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. Also, check federal rules covering mobile
radio and telephone units. If sound equipment can
be added, it is very important to do it properly.
Added sound equipment may interfere with
the operation of your vehicle’s engine, radio, or
other systems, and even damage them. Your
vehicle’s systems may interfere with the operation
of sound equipment that has been added.
3-48

Playing the Radio
P
(Power/Volume):Press this knob to turn the
system on and off.
Turn this knob to increase or to decrease the volume.
DISP (Display):Press this button to switch the
display between the radio station frequency and the
time. When the ignition is turned off, press this knob to
display the time.
For XM™ (if equipped), press the DISP button while in
XM™ mode to retrieve four different categories of
information related to the current song or channel:
Artist, Song Title, Category or PTY, Channel
Number/Channel Name.
To change the default on the display, press the DISP
button until you see the display you want, then hold
this knob for two seconds. The radio will produce
one beep and the selected display will now be
the default.
AUTO VOL (Automatic Volume):With automatic
volume, the audio system adjusts automatically to make
up for road and wind noise as you drive.Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. Each higher setting
will allow for more volume compensation at faster
vehicle speeds. Then as you drive, automatic volume
increases the volume, as necessary, to overcome noise
at any speed. The volume level should always sound
the same to you as you drive. NONE will appear on the
display if the radio cannot determine the vehicle
speed. To turn automatic volume off, press this button
until AVOL OFF appears on the display.
Finding a Station
BAND:Press this button to switch between FM1, FM2,
AM, or XM1 or XM2 (if equipped). The display will
show the selection.
e(Tune):Turn this knob to select radio stations.
©SEEK¨:Press and release the right or the left
arrow to go to the next or to the previous station
and stay there.
To scan stations, press and hold either arrow for more
than two seconds. SCN will appear on the display
and the radio will produce one beep. The radio will go
to a station, play for a few seconds, then go on to
the next station. Press either arrow again or one of the
pushbuttons to stop scanning presets.
3-50

To scan preset stations, press and hold either arrow for
more than four seconds. PSC will appear on the display
and the radio will produce two beeps. The radio will go to
a preset station, play for a few seconds, then go on to the
next preset station. Press either arrow again or one of the
pushbuttons to stop scanning presets.
The radio will only seek and scan stations with a strong
signal that are in the selected band.
4(Information):If the current station has a message,
the information symbol will appear on the display. Press
this button to see the message. The message may
display the artist, song title, call in phone numbers, etc.
If the entire message is not displayed, parts of the
message will appear every three seconds. To scroll
through the message, press and release the information
button. A new group of words will appear on the display
after every press of this button. Once the complete
message has been displayed, the information symbol will
disappear from the display until another new message is
received. The last message can be displayed by pressing
the information button. You can view the last message
until a new message is received or a different station is
tuned to.
When a message is not available from a station, NO
INFO will appear on the display.
Setting Preset Stations
Up to 30 stations (six FM1, six FM2, and six AM,
six XM1 and six XM2 (if equipped)), can be programmed
on the six numbered pushbuttons, by performing the
following steps:
1. Turn the radio on.
2. Press BAND to select FM1, FM2, AM, or XM1
or XM2.
3. Tune in the desired station.
4. Press EQ to select the equalization.
5. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever that
numbered pushbutton is pressed, the station
that was set will return and the equalization that
was selected will be stored for that pushbutton.
6. Repeat the steps for each pushbutton.
3-51

XM™ Radio Messages
Radio Display
MessageCondition Action Required
XL (Explicit Language
Channels)XL on the radio display,
after the channel name,
indicates content with
explicit language.These channels, or any others, can be blocked at a
customer’s request, by calling 1-800-852-XMXM (9696).
Updating Updating
encryption codeThe encryption code in the receiver is being updated, and
no action is required. This process should take no longer
than 30 seconds.
No Signl Loss of signal The system is functioning correctly, but the vehicle is in a
location that is blocking the XM™ signal. When the vehicle
is moved into an open area, the signal should return.
Loading Acquiring channel audio
(after 4 second delay)The radio system is acquiring and processing audio and
text data. No action is needed. This message should
disappear shortly.
Off Air Channel not in service This channel is not currently in service. Tune to
another channel.
CH Unavl Channel no
longer availableThis previously assigned channel is no longer assigned.
Tune to another station. If this station was one of the
presets, choose another station for that preset button.
No Info Artist Name/Feature
not availableNo artist information is available at this time on this channel.
The system is working properly.
3-54

AUTO VOL (Automatic Volume):With automatic
volume, the audio system adjusts automatically to make
up for road and wind noise as you drive.
Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. Each higher setting
will allow for more volume compensation at faster
vehicle speeds. Then as you drive, automatic volume
increases the volume, as necessary, to overcome noise
at any speed. The volume level should always sound
the same to you as you drive. NONE will appear on the
display if the radio cannot determine the vehicle
speed. To turn automatic volume off, press this button
until AVOL OFF appears on the display.
Finding a Station
BAND:Press this button to switch between FM1, FM2,
AM, or XM1 or XM2 (if equipped). The display will
show the selection.
e(Tune):Turn this knob to select radio stations.
oSEEKp:Press and release the right or the left
arrow to go to the next or to the previous station
and stay there.
The radio will only seek stations with a strong signal
that are in the selected band.
oSCANp:Press and hold either arrow for more
than two seconds. SCN will appear on the display and
the radio will produce one beep. The radio will go to
a station, play for a few seconds, then go on to the next
station. Press either arrow again or one of the
pushbuttons to stop scanning presets.
The radio will only scan stations with a strong signal
that are in the selected band.
PSCAN (Preset Scan):Press and hold this button until
PSC will appear on the display and the radio will
produce two beeps. The radio will go to a preset station,
play for a few seconds, then go on to the next preset
station. Press either arrow again or one of the
pushbuttons to stop scanning presets.
The radio will only scan preset stations with a strong
signal that are in the selected band.
3-64

4(Information):If the current station has a message,
the information symbol will appear on the display. Press
this button to see the message. The message may
display the artist, song title, call in phone numbers, etc.
If the entire message is not displayed, parts of the
message will appear every three seconds. To scroll
through the message, press and release the INFO button.
A new group of words will appear on the display after
every press of this button. Once the complete message
has been displayed, the information symbol will
disappear from the display until another new message is
received. The last message can be displayed by pressing
the INFO button. You can view the last message until a
new message is received or a different station is tuned to.
When a message is not available from a station, NO
INFO will appear on the display.Setting Preset Stations
Up to 30 stations (six FM1, six FM2, and six AM,
six XM1 and six XM2 (if equipped)), can be programmed
on the six numbered pushbuttons, by performing the
following steps:
1. Turn the radio on.
2. Press BAND to select FM1, FM2, AM, or XM1
or XM2.
3. Tune in the desired station.
4. Press EQ to select the equalization.
5. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever that
numbered pushbutton is pressed, the station
that was set will return and the equalization that
was selected will be stored for that pushbutton.
6. Repeat the steps for each pushbutton.
3-65

XM™ Radio Messages
Radio Display
MessageCondition Action Required
XL (Explicit Language
Channels)XL on the radio display,
after the channel name,
indicates content with
explicit language.These channels, or any others, can be blocked at a
customer’s request, by calling 1-800-852-XMXM (9696).
Updating Updating
encryption codeThe encryption code in the receiver is being updated, and
no action is required. This process should take no longer
than 30 seconds.
No Signl Loss of signal The system is functioning correctly, but the vehicle is in a
location that is blocking the XM™ signal. When the vehicle
is moved into an open area, the signal should return.
Loading Acquiring channel audio
(after 4 second delay)The radio system is acquiring and processing audio and text
data. No action is needed. This message should disappear
shortly.
Off Air Channel not in service This channel is not currently in service. Tune to
another channel.
CH Unavl Channel no
longer availableThis previously assigned channel is no longer assigned.
Tune to another station. If this station was one of the
presets, choose another station for that preset button.
No Info Artist Name/Feature
not availableNo artist information is available at this time on this channel.
The system is working properly.
3-68