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:

    Heated Seats
    Your vehicle may have heated front seats. The buttons used to control this feature are located on the front door armrests. The engine must be running for the heated seat feature to work. ...

    Online Owner Center
    Buick Owner Center (U.S.) www.buickownercenter.com Information and services customized for your specific vehicle — all in one convenient place. ► Digital owner manual, warranty information, ...

    Automatic Dimming Rearview Mirror
    On vehicles with an automatic dimming inside rearview mirror the automatic dimming reduces the glare from the headlamps of the vehicle behind you. Vehicles with OnStar have three control bu ...