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:

    Power Liftgate Operation
    On vehicles with a power liftgate, the switch is on the overhead console. The vehicle must be in P (Park) to use the power feature. The taillamps will flash and a chime will sound when the power li ...

    Map Coordinates
    The coordinates destination entry method lets you select a destination by entering latitude and longitude coordinates. Map Coordinates: Press to access the Coordinates Entry screen. To use the c ...

    Interior Lighting
    Reading Lamps The reading lamps are located on the overhead console. These lamps come on automatically when any door is opened. For manual operation, press the button next to each lamp to tu ...