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.

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    Interior
    Five occupants get to enjoy soft all-leather seats. Offerings include heated and ventilated seating and a heated steering wheel. The STS features genuine eucalyptus wood and aluminum trim. Eight ...

    Chassis and suspension
    The Cadillac SRX has a four-wheel independent suspension system and a standard rack-and-pinion hydraulic steering system - and offers a variable-effort, speed-sensitive steering system - with tuni ...

    Headlamp Wiring
    An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off. ...