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:

    Looks
    Enticing younger buyers into Buick showrooms is job No. 1. While the Enclave crossover and the recently redesigned LaCrosse have chipped away at the average age of Buick owners — it's down from ...

    Interior
    Car shoppers might be confused by automakers using the term "premium" to classify brands like Buick and Lincoln, rather than "luxury," but having two classes is smart. The term ...

    Setting Preset PTYs (RDS Only)
    These buttons have factory PTY presets. Up to 12 PTYs (six FM1 and six FM2), can be programmed on the six numbered pushbuttons, by performing the following steps: 1. Press BAND to select FM1 or ...