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 call again or try again after driving a to try the call again or try again after driving a few miles into another cellular area.

    See also:

    Audio System(s)
    Determine which radio your vehicle has and then read the pages following to familiarize yourself with its features. Driving without distraction is a necessity for a safer driving experience. By ...

    Horn
    Press on the steering wheel pad to sound the horn. ...

    Driving on Grades
    Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get h ...