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:
Muting a Call
During a call, all sounds from inside the vehicle can be
muted so that the person on the other end of the
call cannot hear them.
To Mute a call
1. Press . The system responds
with “Ready” ...
Vehicle Personalization
Some vehicle features can be programmed by using the audio system controls. These features include:
► Climate and Air Quality
► Comfort and Convenience
► Collision/Detection Sys ...
Lamps On Reminder
For vehicles with the lamps on reminder light, it comes on when the lights are in use. ...