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:

    Antilock Brake System (ABS) Warning Light
    The Antilock Brake System (ABS) light comes on briefly when the engine is started. If the light does not come on, have it fixed so it will be ready to warn if there is a problem. If the ABS light ...

    Cruise Control Light
    The cruise control light comes on whenever the cruise control is set. The light goes out when the cruise control is turned off. See Cruise Control for more information. ...

    SBZA Error Messages
    The following messages may appear in the DIC: SIDE BLIND ZONE ALERT SYSTEM OFF: This message indicates that the driver has turned the system off. SIDE BLIND ZONE SYS. UNAVAILABLE: This message ...