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:

    Side Blind Zone Alert (SBZA)
    The vehicle may have a Side Blind Zone Alert (SBZA) system. Read this entire section before using the system. WARNING! SBZA does not detect vehicles rapidly approaching outside of the side ...

    DIC Buttons
    A. SET/CLR (Set/Clear): Use this button to set or clear the menu item when it is displayed. B. (Thumbwheel): Use the thumbwheel to scroll through the items in each menu. A small marker wil ...

    Vehicle Overview
    Cadillac created a new niche for itself in 2002 by borrowing a concept from Chevrolet and giving it the full luxury treatment. Chevrolet had already launched its Avalanche, and Cadillac followed w ...