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:

    Nav (Navigation)
    Press CONFIG to enter the configure menu options, then press CONFIG again, repeatedly until Nav is selected or press the Nav screen button. Voice Prompt Press the Voice Prompt screen button to c ...

    Fuel E85 (85% Ethanol)
    Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). For all other vehicles, use only the unleaded gasolin ...

    Air Vents
    Use the air outlets located in the center and on the side of the instrument panel to direct the airflow. Operation Tips Keep the hood and front air inlets free of ice, snow, or any other obstru ...