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:

    Power Steering Fluid
    See Engine Compartment Overview for information on the location of the power steering fluid reservoir. ...

    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 ...

    Parking on Hills
    WARNING Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the trailer ...