Service Bulletins

Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.

Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.

    See also:

    ENGINE OIL LOW — ADD OIL
    This message displays when the engine oil level is too low. Check the oil level. See Engine Oil. ...

    Rolling Ding Factory
    I noticed another anomaly that didn't stand out in previous tests: a flawed interior handle design. Doors usually have an unlatch handle and a separate grab handle nearby for closing the door. The ...

    Brake Wear
    Your vehicle has four-wheel disc brakes. Disc brake pads have built-in wear indicators that make a high-pitched warning sound when the brake pads are worn and new pads are needed. The sound ma ...