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:

    Engine Cooling When Trailer Towing
    The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating. ...

    Information Displays
    Driver Information Center (DIC) The DIC displays information about the vehicle. It also displays warning messages if a system problem is detected. See Vehicle Messages for more information. All m ...

    Trip/Fuel Display Menu Items
    (Trip/Fuel): Press to display the following menu items: ...