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  for more information.

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    Exterior
    Sport utility vehicle-like styling features of the Terraza include its closer-to-vertical squared-off front fascia and its tall hood. Prominent C-pillars and 17-inch wheels are also supposed to br ...

    Additional Maintenance and Care
    Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required. It is ...

    Entry Lighting
    The headlamps, parking lamps, taillamps, and most of the interior lamps turn on briefly when is pressed on the Remote Keyless Entry (RKE) transmitter. After about 30 seconds the exterior lamps ...