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:

    Headlamps
    The exterior lamps knob is located on your instrument panel to the left of the steering wheel. (Off): Turn the knob to this symbol and release it to turn off the Daytime Running Lamps (DRL ...

    Balance in ride, handling
    With its choice of two powerful engines and strong body-on-frame construction, Rainier carries solid truck credentials. But its silky feel and performance on the road are more akin to a fine touri ...

    Driving Characteristics and Towing Tips
    WARNING! The driver can lose control when pulling a trailer if the correct equipment is not used or the vehicle is not driven properly. For example, if the trailer is too heavy, the brakes ...