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:

    Universal Remote System Operation
    Using the Universal Remote System Press and hold the appropriate Universal Remote system button for at least half of a second. The indicator light will come on while the signal is being transmi ...

    Going & Stopping
    Don't let its 265-horsepower rating fool you: The base V-6 left me wanting. Displacing 3.0 liters, it's in the same direct-injection family as the 3.6-liter V-6 that adeptly moves several GM produ ...

    Checking Brake Fluid
    Check brake fluid by looking at the brake fluid reservoir. See Engine Compartment Overview  . The fluid level should be above MIN. If it is not, have the brake hydraulic system checked to ...