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.

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    Instrument Panel, Vinyl, and OtherPlastic Surfaces
    A soft cloth dampened with water may be used to remove dust. If a more thorough cleaning is necessary, a clean soft cloth dampened with a mild soap solution can be used to gently remove dust and d ...

    Weight of the Trailer Tongue
    The tongue load (A) of any trailer is an important weight to measure because it affects the total gross weight of the vehicle. The Gross Vehicle Weight (GVW) includes the curb weight of the ...

    Driving for Better Fuel Economy
    Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. • Avoid fast starts and accelerate smoothly. • Brake gradually and avoid abrup ...