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:

    Rear Seats
    The vehicle's rear seats have adjustable head restraints in the outboard seating positions. The height of the head restraint can be adjusted. Pull the head restraint up to raise it. Try to mo ...

    Automatic Transmission
    The shift lever is located on the center console between the front seats. There are several different positions for the shift lever. P (Park): This position locks the rear wheels. Use this ...

    Battery Voltage
    This display shows the current battery voltage. The vehicle's charging system regulates voltage based on the state of the battery. The battery voltage may fluctuate when viewing this informat ...