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:

    StabiliTrak® System
    The vehicle has a vehicle stability enhancement system called StabiliTrak. It is an advanced computer controlled system that assists with directional control of the vehicle in difficult driving co ...

    How to Check Power Steering Fluid
    To check the power steering fluid: 1. Turn the key off and let the engine compartment cool down. 2. Wipe the cap and the top of the reservoir clean. 3. Unscrew the cap and wipe the dipstick with ...

    Ride Control System Messages
    ALL WHEEL DRIVE OFF This message displays when the All-Wheel Drive (AWD) System has been turned off. See All-Wheel Drive. SERVICE ALL WHEEL DRIVE SYSTEM This message displays when there i ...