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:

    How to Check Automatic Transmission Fluid
    Because this operation can be a little difficult, it may be best to have this done at the dealer service department. If not taken to the dealer, be sure to follow all the instructions here or a false ...

    Four Way Power Driver Seat
    A. Seat Position Handle B. Height Adjustment Control To adjust a power seat, if equipped: ○ Move the seat forward or rearward using the handle under the front of the seat cushion (A). See ...

    Lockout Protection
    This feature protects you from locking the key in the vehicle when the key is in the ignition and a front door is open. If the driver side power door lock switch is pressed when the driver door is op ...