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:

    Power Steering Fluid
    When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless you suspect there is a leak in the system or you hear an unusual noise. A fluid loss in this ...

    Front Turn Signal/Parking/Side Marker Lamps (Base and Up-Level)
    To replace the front turn signal, parking lamp, or sidemarker lamp: 1. For the driver side bulb, remove the windshield washer bottle filler neck by firmly pulling it straight up and out of the bottle ...

    General Towing Information
    Only use towing equipment that has been designed for the vehicle. Contact your dealer or trailering dealer for assistance with preparing the vehicle for towing a trailer. See the following traile ...