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:

    Air Conditioning Mode
    This allows selection of automatic start of the air conditioning upon vehicle start. Selecting On indicates the air conditioning will be on when the vehicle is started. Selecting Off turns t ...

    Vehicle Overview
    Introduced for the 2002 model year, Buick’s crossover model blends the virtues of a sedan, sport utility vehicle and minivan. Buick hoped the Rendezvous would attract more young buyers and count ...

    RKE without Remote Start Shown
    RKE without Remote Start Shown (Lock): Press to lock all doors. The turn signal indicators may flash and/or the horn may sound to indicate locking, see “Locking Feedback” under Vehicle ...