Roadside Assistance and OnStar

If you have an active OnStar

subscription, press the Q button and the current GPS location will be sent to an OnStar Advisor who will assess your problem, contact Roadside Assistance, and relay your exact location to get the help you need.

Online Owner Center

The Online Owner Center is a complimentary service that includes online service reminders, vehicle maintenance tips, online owner manual, special privileges, and more.

Sign up today at:

U.S.: buick.com (click on “Owners,” then “Manage My Buick/Owners Login”)

    See also:

    What to Use
    WARNING: Adding only plain water to the cooling system can be dangerous. Plain water, or some other liquid such as alcohol, can boil before the proper coolant mixture will. The vehicle’s cool ...

    XM Categories
    XM channels are organized in categories. Removing or Adding Categories Channels in a category that have been removed can still be accessed by using thes© or ¨\buttons, or the TUNE/MENU knob. ...

    Trip/Fuel Menu Items
    Press MENU on the turn signal lever until the Trip/Fuel Menu is displayed. Use to scroll through the following menu items: Digital Speedometer Trip 1 Trip 2 Fuel Range Average Fuel Eco ...