See also:

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...

Auxiliary Devices (Radio with CD)
The optional AUX input allows portable devices to connect to the vehicle using the 3.5mm (1/8 in) input jack, the USB port, or Bluetooth® wireless technology, if equipped. Portable devices are co ...

Roadside Service (U.S. and Canada)
U.S.: 1-800-224-1400 Canada: 1-800-882-1112. Text Telephone (TTY) Users (U.S. Only): 1-888-889-2438. Service is available 24 hours a day, 365 days a year. ...