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:

    Unlocked Door Anti Lock Out
    When on, this feature will keep the driver door from locking when the door is open. If off is selected, the Unlocked Door Anti Lock Out menu will be available and the door will lock as progr ...

    Background
    Given the fact that the vast majority of SUVs were rarely taken off-pavement by their owners, much less driven under serious off-road conditions, a new type of car-based "crossover SUV" ...

    Winter Tires
    Consider installing winter tires on the vehicle if frequent driving on snow or ice covered roads is expected. All season tires provide good overall performance on most surfaces, but they may not o ...