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:

    Parking Brake (Manual)
    he parking brake pedal is located on the lower portion of the instrument panel to the left of the steering wheel. To set the parking brake, hold the brake pedal down, then push the parkin ...

    Active Head Restraints
    The vehicle has an active head restraint system in the front seating positions. These automatically tilt forward to reduce the risk of neck injury if the vehicle is hit from behind. ...

    PRESS BRAKE TO START ENGINE (AUTOMATIC TRANSMISSION ONLY)
    If the vehicle has the keyless access system, this message displays if you try to start the engine without having the brake pressed. The brake needs to be pressed when starting the engine. Se ...