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:

    Rear Window Wiper/Washer
    The rear wiper control is located on the turn and lane-change lever. To turn the rear wiper on, slide the lever to a wiper position. (Off): Turns the wiper off. (Rear Wiper Delay): Turns on the ...

    Shutting the Engine Off After a Remote Start
    To cancel a remote start, do any of the following: - Press until the parking lamps turn off. - Turn on the hazard warning flashers. - Turn the vehicle on and then back off. ...

    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. ...