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:

    Locking Rear Axle
    Vehicles with a locking rear axle can give more traction on snow, mud, ice, sand, or gravel. It works like a standard axle most of the time, but when traction is low, this feature will allow the r ...

    Tire Pressure
    Tire pressure is displayed in the DIC for each tire in either kilopascals (kPa) or pounds per square inch (psi). Press the vehicle information button until the DIC displays Front Tire kPa (P ...

    Other Information
    The Bluetooth word mark and logos are owned by the Bluetooth® SIG, Inc. and any use of such marks by General Motors is under license. Other trademarks and trade names are those of their respective ...