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:

    DIC Buttons
    A. SET/CLR (Set/Clear): Use this button to set or clear the menu item when it is displayed. B. (Thumbwheel): Use the thumbwheel to scroll through the items in each menu. A small marker wil ...

    Engine Compartment Overview
    CTS 3.6L V6 Engine Shown, 3.0L V6 Engine Similar A. Windshield Washer Fluid Reservoir. See Washer Fluid. B. Engine Compartment Fuse Block (CTS V Wagon) or Engine Compartment Fuse Block (CT ...

    Climate Controls
    The heating, cooling, and ventilation for the vehicle can be controlled with this system. A. Fan Control B. Power C. AUTO (Automatic Operation) D. ZONE E. Defrost F. Air Delivery Mode Con ...