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:
Compass Calibration
The compass can be manually calibrated. Only calibrate the compass in a magnetically clean and safe location, such as an open parking lot, where driving the vehicle in circles is not a danger.
It is ...
Filling the Tank
WARNING
Fuel vapor burns violently and a fuel fire can cause bad injuries.
To help avoid injuries to you and others, read and follow all the instructions on the fuel pump island. Turn off the engine ...
Collision Damage Repair (U.S. and Canada)
If the vehicle is involved in a collision and it is damaged, have the damage repaired by a qualified technician using the proper equipment and quality replacement parts. Poorly performed collision rep ...