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:

    When to Check and Change Automatic Transmission Fluid
    It is usually not necessary to check the transmission fluid level. The only reason for fluid loss is a transmission leak or overheating the transmission. If a small leak is suspected, then use the ...

    Removing the Spare Tire and Tools (Wagon)
    A. Wing Nut B. Spare Tire C. Jack D. Subwoofer (If Equipped) E. Wheel Wrench (Two-Piece Shown, Three-Piece Similar) F. Extension (If Equipped) G. Cable To access the spare tire and jacking ...

    Overview
    The 2008 Cadillac STS, featuring refreshed signature styling inside and out; a new, standard 298-horsepower (222 kW) V-6 engine; and a host of new vehicle technologies, debuts at New York Auto Sho ...