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.

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    Exterior & Styling
    When I saw the first press images of the all-new Escalade, I was aghast. The new front grille seemed way too extravagant for what is essentially an all-American SUV. Then I saw it in black-metalli ...

    STS adds direct-injection V-6
    For 2008, STS will be the first GM vehicle equipped with a new 3.6-liter direct-injected V-6 engine. The new base powerplant, with 298 horsepower (222 kW), delivers 40 more horsepower; and torque ...

    Remote Left in Vehicle Reminder
    This allows the Remote Left In Vehicle reminder feature to be turned on or off. If on, the horn will chirp if a remote is left in the vehicle. Press the MENU/SELECT knob when Remote Left In Vehicl ...