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:

    Driving in Water
    WARNING Driving through rushing water can be dangerous. Deep water can sweep your vehicle downstream and you and your passengers could drown. If it is only shallow water, it can still wash a ...

    Service Manuals
    Service Manuals have the diagnosis and repair information on the engines, transmission, axle, suspension, brakes, electrical, steering, body, etc. ...

    Fuel Gauge
    When the ignition is on, the fuel gauge shows about how much fuel the vehicle has left in the tank. An arrow on the fuel gauge indicates the side of the vehicle the fuel door is on. The gauge ...