Interior

Like the previous Seville, five occupants fit inside the STS, which has soft all-leather seats. Heated and ventilated seating is an option. The headliner and pillars are covered in woven fabric. Genuine eucalyptus wood and aluminum trim are used in the interior.

Eight-way power front seats include four-way power lumbar adjustment, and a memory feature is optional. A leather-wrapped heated steering wheel is also offered. Trunk space totals 13.8 cubic feet.

Options include a Bose Studio Surround Sound system with 15 speakers and 300-watt output. An optional in-dash DVD/CD changer can play DVD audio discs as well as MP3 programs. A DVD-based navigation system is available. GM's OnStar communication system includes automatic crash notification.

    See also:

    Reading Lamps
    For vehicles with front reading lamps in the overhead console, press the button located next to the lamp to turn it on or off. The vehicle may also have reading lamps in other locations. The lamps ...

    Safety
    The CTS sedan performed well in crash tests conducted by the Insurance Institute for Highway Safety and the National Highway Traffic Safety Administration. It received the IIHS' 2012 Top Safety Pi ...

    Driving on Grades
    Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might get hot and no longer work well. Vehicles can tow ...