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:

    Scheduling Service Appointments (U.S. and Canada)
    When the vehicle requires warranty service, contact your dealer and request an appointment. By scheduling a service appointment and advising the service consultant of your transportation needs, your ...

    Battery Power Protection
    This feature helps to prevent battery drain if accessory lamps are left on. If accessory lamps such as the vanity mirror, cargo, reading, console, or glove box are left on, they automaticall ...

    Interior
    The ESV's extended dimensions don't yield significant gains for first- or second-row occupants, but third-row passengers gain nearly 10 inches of legroom. Cargo volume behind the third row increas ...