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 Coolant Heater
    Vehicles with the engine coolant heater can use this option in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug i ...

    Brake Fluid
    The brake master cylinder reservoir is filled with DOT 3 brake fluid. See Engine Compartment Overview   for the location of the reservoir. There are only two reasons why the brake fluid ...

    Engine Compartment Overview
    A. Engine Air Cleaner/Filter. B. Power Steering Reservoir and Cap (Under Engine Cover). See Power Steering Fluid. C. Engine Oil Fill Cap. See Engine Oil. D. Engine Oil Dipstick (Out of ...