OnStar

See also:

Roadside Assistance Program
U.S.: 1-800-252-1112 TTY Users: 1-888-889-2438 Canada: 1-800-268-6800 As the owner of a new Buick, you are automatically enrolled in the Roadside Assistance program. See Roadside Assistance Progra ...

Sending a Number During a Call
1. Press . The system responds with “Ready” followed by a tone. 2. Say “Dial”. The system responds with “Say a number to send tones” followed by a tone. 3. Say the number to send. ...

Online Owner Center
Online Owner Center (United States only) The Owner Center is a resource for your GM ownership needs. Specific vehicle information can be found in one place. The Online Owner Center allows you to: ...