Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Finding a Station
BAND: Press this button to switch between FM1,
FM2, AM, or XM1 or XM2 (if equipped). The
display shows the selection.
TUNE
: Turn this knob to select radio
stations.
SEEK
: Press either the ...
FM Stereo
FM stereo gives the best sound, but FM signals
reach only about 10 to 40 miles (16 to 65 km). Tall
buildings or hills can interfere with FM signals,
causing the sound to fade in and out. ...
Audio Source
VOL/ (Volume/Power):
1. Press to turn the radio on or off.
2. Turn to increase or decrease the
volume of the active source
(i.e., current audio source, active
navigation voice guidance,
or ...