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:
CD Messages
If the CD comes out, it could be for one of the
following reasons:
• It is very hot. When the temperature returns to
normal, the CD should play.
• You are driving on a very rough road.
Wh ...
TPMS Sensor Identification Codes
Each TPMS sensor has a unique identification
code. Any time you replace one or more of
the TPMS sensors or rotate the vehicle’s tires, the
identification codes will need to be matched to
the new ...
Tires
Every new GM vehicle has high-quality tires made by a leading tire manufacturer.
See the warranty manual for information regarding the tire warranty and where to
get service. For additional inform ...