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:

    Backing Up
    Hold the bottom of the steering wheel with one hand. Then, to move the trailer to the left, move that hand to the left. To move the trailer to the right, move your hand to the right. Always back ...

    Tire Inspection
    We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: The indicators at three or mo ...

    Instrument Panel Storage
    Pull down to open it. ...