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:

    Instrument Panel Illumination Control
    This feature controls the brightness of the instrument panel controls and infotainment display screen. The thumbwheel is located to the left of the steering column on the instrument panel. : Mo ...

    Safety Belts: They Are for Everyone
    This section of the manual describes how to use safety belts properly. It also describes some things not to do with safety belts. WARNING: Do not let anyone ride where a safety belt cannot be ...

    Checking Engine Oil
    It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick handl ...