Radio(s)
VOL/ 
: Press to turn the system
on and off. Turn to increase or
decrease the volume.
FM/AM: Press to select between FM or AM.
: Press to select XM™,
if equipped.
TUNE/TONE: Turn to select radio stations.
or
: Press to seek
the next or previous station.
INFO: Press to display additional information that may be available for the current song. When information is not available, No Information displays.
For more information about these and other radio features, see Operation.
See also:
Cellular and GPS Antennas
Avoid placing items over or near
the antenna to prevent blocking
cellular and GPS signal reception.
Cellular reception is required for
OnStar to send remote signals to
the vehicle. ...
Sound Menu
(Sound): Press this key or press
CONFIG to access the Sound menu to adjust the treble, midrange, bass, fade, balance,
and Digital Signal Processing (DSP). The system automatically stores audio ...
Compass
Your vehicle may have a compass in the Driver Information Center (DIC).
Compass Zone
The zone is set to zone eight upon leaving the factory. Your dealer will set
the correct zone for your location ...