OnStar Services

See also:

Playing a CD
Insert a CD partway into the slot, label side up. The player pulls it in, and READING displays. The CD should begin playing. If you want to insert a CD with the ignition off, first press the ejec ...

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 1. Press . The system responds with “Ready” ...

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. This program provides techn ...