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:
Engine Oil Pressure Light
Notice: Lack of proper engine oil maintenance can damage the engine.
Driving with the engine oil low can also damage the engine. The repairs would
not be covered by the vehicle warranty. Check the o ...
How the System Works
When the vehicle is started, both
outside mirror displays will briefly
come on to indicate that the system
is operating. While driving forward,
the left or right side mirror SBZA
display w ...
Service Parts Identification Label
This label, on the inside of the glove box, has the following information:
Vehicle Identification Number (VIN).
Model designation.
Paint information.
Production options and special equipment ...