Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Setting the Tone(Bass/Midrange/Treble)
AUDIO: Push and release the AUDIO knob until
BASS, MID (midrange) (without Bose®), or TREB
(treble) displays. Turn the knob to increase or to
decrease the tone. The display shows the bass,
midran ...
Turning the System On and Off
The URPA system can be turned on
and off using the park assist button
located next to the shift lever.
The LED next to the park assist
button lights up when the system is
on and turns off w ...
Radio Menus
Radio menus are available for AM,
FM, and XM, if equipped.
Turn the Menu knob to open the
main radio menu for that band. ...