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 ...

    Selecting the XM Band
    Press the RADIO/BAND button to choose between the AM, FM and XM bands. The last channel played in that band begins to play when that band is selected. ...

    Hill and Mountain Roads
    Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include: - Keep the vehicle serviced and in good shape. - ...