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:

    XM Tune Select (If Equipped)
    While the XM audio screen is displaying and a song is being listened to, press Tune Select to save that particular song. The XM Tune Select menu displays with options to store by the song title ...

    Call Waiting
    Call waiting must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. Accepting a Call Turn the MENU/SELECT knob to “Answer” and press the MENU/ SELECT knob ...

    TPMS Malfunction Light and Message
    The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire pressure warning light flashes for about one min ...