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:

    Anti-theft Alarm System
    This vehicle may have an anti-theft alarm system. The security light, located in the instrument panel cluster, comes on when the system is arming. ...

    Power Lumbar
    To adjust the lumbar support, if equipped: - Press and hold the top of the control (B) to increase support to the top of the seatback and decrease support to the bottom of the seatback. - ...

    All-Wheel Drive
    If the vehicle has this feature, engine power is sent to all four wheels when extra traction is needed. This is like four-wheel drive, but there is no separate lever or switch to engage or disenga ...