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:

    Chemical Paint Spotting
    Airborne pollutants can fall upon and attack painted vehicle surfaces causing blotchy, ring-shaped discolorations, and small, irregular dark spots etched into the paint surface. ...

    Express Window Anti-Pinch Feature
    If any object is in the path of the window when the express-up is active, the window will stop at the obstruction and auto-reverse to a preset factory position. Weather conditions such as se ...

    Exterior
    The ATS looks good on the road. You never can tell for sure at an auto show, where I thought the headlights were too slit-like, and I wasn't sure about the hump in the trunk lid, accented as it is ...