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:
Curve Tips
• Take curves at a reasonable speed.
• Reduce speed before entering a curve.
• Maintain a reasonable steady speed through the curve.
• Wait until the vehicle is out of the curve before acce ...
Specification
Use and ask for licensed engine oils with the dexos1™ approved certification mark. Engine oils meeting the requirements for the vehicle should have the dexos™1 approved certification mark. This ce ...
Steering Wheel Adjustment
The tilt lever is located on the lower left side of the steering column.
To adjust the steering wheel:
1. Hold the steering wheel and pull the lever.
2. Move the steering wheel up or down.
3. Re ...