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:

    Dolly Towing (Rear-Wheel-Drive Vehicles)
    Use the following procedure to dolly tow a rear-wheel-drive vehicle from the rear: 1. Attach the dolly to the tow vehicle following the dolly manufacturer's instructions. 2. Put the rear w ...

    Dual Automatic Climate Control System
    A. Fan Control B. Power C. AUTO (Automatic Operation) D. ZONE E. Defrost F. Air Delivery Mode Control G. Driver and Passenger Temperature Controls H. Driver and Passenger Heated and Ventila ...

    Shifting out of Park
    This vehicle is equipped with an electronic shift lock release system. The shift lock release is designed to: - Prevent ignition key removal unless the shift lever is in P (Park) with the sh ...