Automatic Crash Response

In a crash, built in sensors can automatically alert an OnStar advisor who is immediately connected to the vehicle to see if you need help.

    See also:

    Emergency Release for Opening Liftgate
    1. Remove the trim plug, located on the inside of the liftgate in the center, to expose the access hole in the trim panel. 2. Use a tool to reach through the access hole in the trim panel. 3. Pry ...

    Roadside Assistance Program
    U.S.: 1-800-252-1112 TTY Users (U.S.): 1-888-889-2438 Canada: 1-800-268-6800 Mexico: 01-800-466-0818 As the owner of a new Buick, you are automatically enrolled in the Roadside Assistance prog ...

    Muting a Call
    During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them. To mute a call, press , and then say “Mute Call.”. To can ...