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:

    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. Che ...

    TIRE LOW ADD AIR TO TIRE
    On vehicles with the Tire Pressure Monitor System (TPMS), this message displays when the pressure in one or more of the vehicle’s tires is low. This message also displays LEFT FRONT, RIGHT ...

    Easy Entry Seat (Coupe Models Only)
    A. Folding Seatback Handle B. Seat Adjustment Switch On coupe models, the front seats can be moved out of the way to make it easier to get in and out of the rear seat. To fold the seatback, ...