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:
Horn
Press near or on the horn symbols on the steering
wheel pad to sound the horn. ...
Operating UHP Using Voice
Control
The voice control of the UHP
system enables you to operate
several functions of the mobile
phone using your voice. The UHP
system uses voice commands to
control the system and dial phone
n ...
Radio Frequency Identification (RFID)
RFID technology is used in some vehicles for functions such as tire pressure
monitoring and ignition system security, as well as in connection with conveniences
such as key fobs for remote door lo ...