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:
Initial Drive Information
This section provides a brief overview about some of the important features that may or may not be on your specific vehicle.
For more detailed information, refer to each of the features which can be ...
Wheels and Trim—Aluminum or Chrome
Use a soft, clean cloth with mild soap and water to clean the wheels.
After rinsing thoroughly with clean water, dry with a soft, clean towel.
A wax may then be applied.
Keep the wheels clean using ...
Safety
Standard safety features include:
Four-wheel antilock brakes
Electronic stability system
Side curtain and side-impact airbags ...