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:

    ELECTRONIC KEY NOT DETECTED
    If the vehicle has the keyless access system, this message displays if the vehicle does not detect the presence of a transmitter when you have attempted to start the vehicle or a vehicle d ...

    2013 Cadillac ATS Review
    Topping out third gear I’ve got just enough time to think about grabbing fourth when the first braking marker is past my front tire and I’m pushing hard on the four piston Brembos. The lightest ca ...

    Starting the Gasoline Engine
    Place the transmission in the proper gear by moving the shift lever to P (Park) or N(Neutral). To restart the engine when the vehicle is already moving, use N (Neutral). Notice: Do not try to shi ...