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:
Brake Adjustment
Every time the brakes are applied, with or without the vehicle moving, the brakes
adjust for wear. ...
Starting the Vehicle
1. Press and release on the Remote
Keyless Entry transmitter.
2. Press and hold for about two
seconds. The turn signal lamps will briefly flash to confirm the vehicle has been
started. The pa ...
Towing the Vehicle
Notice: To avoid damage, the disabled vehicle should be towed with all four wheels off the ground. Care must be taken with vehicles that have low ground clearance and/or special equipment. Always flat ...