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 head restraints in the outboard seating positions, but they are not adjustable. Rear outboard head restraints are not designed to be removed. ...

    Resuming a Set Speed
    If the cruise control is set at a desired speed and then the brakes are applied, the cruise control is disengaged without erasing the set speed from memory. Once the vehicle speed reaches about 40 ...

    Power Steering Fluid
    See Engine Compartment Overview for reservoir location. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless a leak is suspected in the syst ...