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:

    Audio Steering Wheel Controls
    Vehicles with audio steering wheel controls could differ depending on the vehicle’s options. Some audio controls can be adjusted at the steering wheel. (Next): Press to go to the nex ...

    What to Use
    WARNING Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning sy ...

    Raising the Seatback
    WARNING! If either seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and pull on the seatbacks to be s ...