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:

    Vehicle Positioning
    At times, the position of the vehicle on the map may be inaccurate due to one or more of the following reasons: Road system has changed. Vehicle is driving on slippery road surfaces such as in ...

    Vehicle Information Display Menu Items
    (Vehicle Information): Press to display the following menu items: ...

    License Plate Lamp (Coupe and Sedan)
    To replace one of these bulbs: 1. Push the tab to remove the license plate lamp. 2. Turn the license plate lamp assembly down to remove it. 3. Turn the socket counterclockwise and remove it ...