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:

    Maps
    This section includes basic information that you need to know about the map database. The maps are stored on a compact flash drive that is built into the navigation system. ...

    Lumbar Adjustment
    To adjust the lumbar support: Press and hold the front or rear of the control to increase or decrease lumbar support. Press and hold the top or bottom of the control to raise or lower the ...

    STEP ON BRAKE TO RELEASE PARK BRAKE
    For vehicles with the electric parking brake, this message displays if you try to release the park brake system without first pressing the brake pedal. See the electric parking brake informa ...