Unable to Connect to OnStar Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push 
to try the
call again or try again after driving a
few miles into another cellular area.
See also:
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 ...
Perimeter Lights
Press the customization button until PERIMETER
LIGHTS: ON appears in the display. To select
your preference for perimeter lighting, press
the select button while PERIMETER LIGHTS:
ON is displaye ...
Satellite Radio
Vehicles with an XM™ Satellite Radio tuner and a valid XM Satellite Radio subscription can receive XM programming.
XM Satellite Radio Service
XM is a satellite radio service based in the 48 contig ...