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:

    Reporting Safety Defects to the United States Government
    If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in ad ...

    Time Shifting — Pause and Rewind Live XM
    The Radio with DVD Audio, HDD, and USB has the ability to rewind 60 minutes of XM content. While listening to the radio, the content from the current station is always being buffered to the ...

    Heated and Cooled Cupholders
    For vehicles with heated and cooled cupholders, these are located in the front center console. Press down on the access door release button to open the cupholder door. To set to cool mode, press ...