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:

    Windows
    On vehicles with power windows, the switches are on the driver door armrest. Each passenger door has a switch that controls only that window. Press the switch to lower the window. Pull the swit ...

    Disarming the System
    To disarm the system, do one of the following: Press on the RKE transmitter. Approach the vehicle with the RKE transmitter (keyless access). Start the engine. The alarm automatically disar ...

    Battery
    Your vehicle has a maintenance free battery. When it is time for a new battery, get one that has the replacement number shown on the original battery’s label. We recommend an ACDelco® replace ...