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-way power front seats include four-way power lumbar adjustment, and a memory feature is optional. Trunk space totals 13.8 cubic feet.

Options include Bose 5.1 Studio Surround Sound and a DVD/CD changer that can play DVD audio discs as well as MP3 CDs. A DVD-based navigation system is available. General Motors' OnStar communication system includes automatic crash notification.

    See also:

    EPB Release
    To release the EPB, place the ignition in the ON/RUN position, apply and hold the brake pedal, and push down momentarily on the EPB switch. If you attempt to release the EPB without the brake pedal ...

    Maintenance
    Passenger Compartment Air Filter The passenger compartment air filter traps most of the dust and pollen from the air entering the vehicle. The filter will need to be changed periodically. S ...

    Dual Automatic Climate Control System
    A. Fan Control B. Power C. AUTO (Automatic Operation) D. ZONE E. Defrost F. Air Delivery Mode Control G. Driver and Passenger Temperature Controls H. Driver and Passenger Heated and Ventila ...