Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    See also:

    Cooling System
    The cooling system allows the engine to maintain the correct working temperature. A. Engine Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Cooling Fans (Out of View) WARNING An electr ...

    Battery
    Refer to the replacement number on the original battery label when a new battery is needed. WARNING Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals k ...

    Brake Fluid
    The brake master cylinder reservoir is filled with DOT 3 brake fluid. See Engine Compartment Overview on page 10‑6 for the location of the reservoir. There are only two reasons why the brake ...