OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview.

    See also:

    All-Wheel Drive
    Transfer Case When to Check and Change Lubricant The transfer case is filled with oil during manufacture, which then does not require changing. It is not necessary to regularly check the transf ...

    General Towing Information
    Only use towing equipment that has been designed for the vehicle. Contact your dealer or trailering dealer for assistance with preparing the vehicle for towing a trailer. See the following trai ...

    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 ...