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:

    Steering Wheel Adjustment
    To adjust the steering wheel: 1. Pull the lever down. 2. Move the steering wheel up, down, forward, and backward. 3. Pull the lever up to lock the steering wheel in place. Do not adjust the stee ...

    Wipe Parking
    If the ignition is turned to LOCK/OFF while the wipers are on 1, 2, or , they will immediately stop. If the windshield wiper lever is then moved to before the driver door is opened, or within ...

    Dome Lamp Override
    The dome override button is located below the exterior lamps knob. To turn the dome lamps off, press the button. The dome lamps will remain off when a door is open. This will override the ill ...