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:

    When the System Does Not Seem to Work Properly
    The rear vision camera system might not work properly or display a clear image if the following occurs: - It is dark. - The sun or the beam of headlamps is shining directly into the camera l ...

    SERVICE BATTERY CHARGING SYSTEM
    This message displays when there is a problem with the generator and battery charging systems. Driving with this problem could drain the battery. Turn off all unnecessary accessories. Stop a ...

    AM-FM Radio
    Notice: Before adding any sound equipment to the vehicle, such as an audio system, CD player, CB radio, mobile telephone, or two-way radio, make sure that it can be added by checking with your dea ...