Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    Key and Lock Messages
    NO REMOTE DETECTED This message displays when trying to start the vehicle if an RKE transmitter is not detected. The transmitter battery may be weak. See “Starting the Vehicle with a Low Trans ...

    Tumbling the Third Row Seat
    To tumble the seat: 1. Open the liftgate to access the controls for the seat. 2. Make sure the headrests are completely lowered and there is nothing under, in front of, or on the seat. 3. Fold th ...

    If No Steam Is Coming from the Engine Compartment
    The ENGINE OVERHEATED STOP ENGINE or the ENGINE OVERHEATED IDLE ENGINE message, along with a low coolant condition, can indicate a serious problem. If there is an engine overheat warning, but see o ...