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:

    DVD Distortion
    Video distortion can occur when operating cellular phones, scanners, CB radios, Global Positioning Systems (GPS)*, two-way radios, mobile fax machines, or walkie talkies. It might be necessary to ...

    Side Blind Zone Alert (SBZA)
    If available, this feature will alert you to vehicles located in the vehicle's side blind zone. When the system detects a vehicle in the side blind zone, the SBZA display will light up in the ...

    Driving on Snow or Ice
    Drive carefully when there is snow or ice between the tires and the road, creating less traction or grip. Wet ice can occur at about 0°C (32°F) when freezing rain begins to fall, resulting in ...