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:

    Hitches
    It’s important to have the correct hitch equipment. Crosswinds, large trucks going by and rough roads are a few reasons why you’ll need the right hitch. ...

    Compact Dimensions
    The Verano measures a smidge larger than the Cruze, with which it shares the same wheelbase. The Buick's footprint falls between the shrink-wrapped Lexus IS 250 and larger Acura TSX, but its styli ...

    Satellite Radio Antenna
    For vehicles with XM satellite radio service, the antenna is located on the roof of the vehicle. Keep the antenna clear of obstructions for clear radio reception. ...