
Change Engine Oil Light
If this light comes on and
stays on for 30 seconds, it
means that service is
required for your vehicle.
SeeScheduled
Maintenance on page 6-4
for more information.
After having the oil changed you will need to reset the
light. SeeEngine Oil on page 5-13for more information.
Security Light
Your vehicle is equipped
with a Passlock®
theft-deterrent system.
With this system, the
security light will ash as
you open the door if
your ignition is off.
This light will come on brie y when the vehicle is
turned on.
For more information, seePasslock
®on page 2-15.
Reduced Engine Power Light
This light will come on
brie y when you start
the engine.
This light, along with the service engine soon light, will
be displayed when a noticeable reduction in the
vehicle’s performance may occur. Stop the vehicle and
turn off the ignition. Wait for 10 seconds and restart
your vehicle. This may correct the condition.
The vehicle may be driven at a reduced speed when
the reduced engine power light is on, but acceleration
and speed may be reduced. The performance may
be reduced until the next time you drive your vehicle.
If this light stays on, see your GM dealer as soon
as possible for diagnosis and repair.
3-35

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.
Notice:The chime signals related to safety belts,
parking brake, and other functions of your vehicle
operate through the radio/entertainment system.
If that equipment is replaced or additional equipment
is added to your vehicle, the chimes may not
work. Make sure that replacement or additional
equipment is compatible with your vehicle before
installing it. SeeAccessories and Modifications
on page 5-3.
Your vehicle has a feature called Retained Accessory
Power (RAP). With RAP, the audio system can be
played even after the ignition is turned off. SeeRetained
Accessory Power (RAP) on page 2-16for more
information.Setting the Time
To set the hour, press the clock button. The clock
symbol will appear on the audio display and the hour
number will ash. Then turn the ADJ knob to increase or
to decrease the hour. To set the minutes, press the
clock button again. The minute numbers will ash. Then
turn the ADJ knob to increase or to decrease the
minutes. The time can be set with the ignition on or off.
To synchronize the time with an FM station broadcasting
Radio Data System (RDS) information, press and
release the clock button to enter the clock set mode,
then press and hold the clock button for three seconds
until UPDATED appears on the display. If the time
is not available from the station, NO TIME UPDATE will
appear on the display.
RDS time is broadcast once a minute. After tuning to an
RDS broadcast station, it may take a few minutes for
the time to update.
3-39

RDS Messages
ALERT!:Alert warns of local or national emergencies.
When an alert announcement comes on the current
radio station, ALERT! will appear on the display. You will
hear the announcement, even if the volume is low or
a CD is playing. If a CD is playing, play will stop during
the announcement. Alert announcements cannot be
turned off.
ALERT! will not be affected by tests of the emergency
broadcast system. This feature is not supported by
all RDS stations.
MSG (Message):If the current station has a message,
MSG 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 MSG
button. A new group of words will appear on the display
after every press of the button. Once the complete
message has been displayed, MSG will disappear from
the display until another new message is received.The last message can be displayed by pressing the
MSG 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 MESSAGE AVAIL will appear on the display.
Radio Messages
CALIBRATE:The audio system has been calibrated for
your vehicle from the factory. If CALIBRATE appears
on the display, it means that the radio has not been
con gured properly for your vehicle and must be
returned to the dealer for service.
LOCKED:This message is displayed when the
THEFTLOCK
®system has locked up. Take the vehicle
to the dealer for service.
If any error occurs repeatedly or if an error cannot be
corrected, contact your dealer.
3-45

XM™ Radio Messages
Radio Display
MessageCondition Action Required
Not Available The Radio senses that
the XM™ system is not
present.Your vehicle may not be equipped with the XM™ system.
Contact your dealership for more information.
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 Signal Loss of signal The system is functioning correctly, but the vehicle is in a
location that is blocking the XM™ signal. When you move
into an open area, the signal should return.
Loading XM Acquiring channel audio
(after 4 second delay)The audio 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.
3-46

XM™ Radio Messages (cont’d)
Radio Display
MessageCondition Action Required
No Info Song/Program Title
not availableNo song title information is available at this time on this
channel. The system is working properly.
No Info Category Name
not availableNo category information is available at this time on this
channel. The system is working properly.
No Info No Text/Informational
message availableNo text or informational messages are available at this
time on this channel. The system is working properly.
Not Found No channel available for
the chosen categoryThere are no channels available for the selected category.
The system is working properly.
XM Lock Theft lock active The XM™ receiver in the vehicle may have previously
been in another vehicle. For security purposes, XM™
receivers cannot be swapped between vehicles. If this
message is received after having your vehicle serviced,
check with the servicing facility.
Radio ID Radio ID label
(channel 0)If tuned to channel 0, this message will alternate with the
XM™ Radio 8 digit radio ID label. This label is needed to
activate the service.
Unknown Radio ID not known
(should only be if
hardware failure)If this message is received when tuned to channel 0,
there may be a receiver fault. Consult with your dealer.
Check XM Hardware failure If this message does not clear within a short period of time,
the receiver may have a fault. Consult with your dealer.
3-47

RDS Messages
ALERT!:Alert warns of local or national emergencies.
When an alert announcement comes on the current
radio station, ALERT! will appear on the display. You will
hear the announcement, even if the volume is low or
a CD is playing. If a CD is playing, play will stop during
the announcement. Alert announcements cannot be
turned off.
ALERT! will not be affected by tests of the emergency
broadcast system. This feature is not supported by
all RDS stations.
MSG (Message):If the current station has a message,
MSG 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 MSG
button. A new group of words will appear on the display
after every press of this button. Once the complete
message has been displayed, MSG will disappear from
the display until another new message is received.The last message can be displayed by pressing the
MSG 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 MESSAGE AVAIL will appear on the display
Radio Messages
CALIBRATE:The audio system has been calibrated for
your vehicle from the factory. If CALIBRATE appears
on the display it means that the radio has not been
con gured properly for your vehicle and it must
be returned to the dealer for service.
LOCKED:This message is displayed when the
THEFTLOCK
®system has locked up. Take your vehicle
to the dealer for service.
If any error occurs repeatedly or if an error cannot be
corrected, contact your dealer.
3-56

XM™ Radio Messages
Radio Display
MessageCondition Action Required
Not Available The Radio senses that
the XM™ system is
not present.Your vehicle may not be equipped with the XM™ system.
Contact your dealership for more information.
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 Signal Loss of signal The system is functioning correctly, but the vehicle is in a
location that is blocking the XM™ signal. When you move
into an open area, the signal should return.
Loading XM Acquiring channel audio
(after 4 second delay)The audio 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.
3-57

XM™ Radio Messages (cont’d)
Radio Display
MessageCondition Action Required
No Info Song/Program Title
not availableNo song title information is available at this time on this
channel. The system is working properly.
No Info Category Name
not availableNo category information is available at this time on this
channel. The system is working properly.
No Info No Text/Informational
message availableNo text or informational messages are available at this
time on this channel. The system is working properly.
Not Found No channel available for
the chosen categoryThere are no channels available for the selected category.
The system is working properly.
XM Lock Theft lock active The XM™ receiver in your vehicle may have previously
been in another vehicle. For security purposes, XM™
receivers cannot be swapped between vehicles. If this
message is received after having your vehicle serviced,
check with the servicing facility.
Radio ID Radio ID label
(channel 0)If tuned to channel 0, this message will alternate with the
XM™ Radio 8 digit radio ID label. This label is needed to
activate the service.
Unknown Radio ID not known
(should only be if
hardware failure)If this message is received when tuned to channel 0,
there may be a receiver fault. Consult with your dealer.
Check XM Hardware failure If this message does not clear within a short period of time,
the receiver may have a fault. Consult with your dealer.
3-58