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:

    Using Cruise Control on Hills
    How well the cruise control will work on hills depends upon the vehicle speed, load and the steepness of the hills. When going up steep hills, you might have to step on the accelerator pedal to ...

    Navigation System
    The vehicle’s navigation system provides detailed maps of most major freeways and roads throughout the United States and Canada. After a destination has been set, the system provides turn-by-t ...

    Cooling System
    The cooling system allows the engine to maintain the correct working temperature. When it is safe to lift the hood: 2.4L L4 Engine 2.4L L4 Engine A. Engine Cooling Fans (Out of View) B. C ...