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:

    Overview
    Cadillac unveiled the 2013 XTS, the newest addition to the Cadillac luxury sedan lineup. It arrives in showrooms in U.S. and Canadian showrooms in the spring of 2012 as the most technologically ad ...

    Storing the Tire Sealant and Compressor Kit
    This vehicle may have a tire sealant and compressor kit in place of a jack or spare tire. It is located in a foam container in the rear compartment storage area. If the vehicle has a cargo co ...

    Storing a Flat or Spare Tire and Tools
    Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in t ...