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 Diagnostics. Click on the “My Account” tab on the home page.

    See also:

    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. ...

    Turning the System On and Off
    The system can be disabled through the Driver Information Center (DIC). See “Parking Assist” under Driver Information Center (DIC) for more information. URPA defaults to the on setting each ti ...

    End a Call
    Push . System responds: “Call ended.” ...