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:
Towing with a Stability Control System
When towing, the sound of the stability control system might be heard. The
system is reacting to the vehicle movement caused by the trailer, which mainly
occurs during cornering. This is normal when ...
Danger, Warnings, and Cautions
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
Danger indicates a hazard with a
high level of risk which will result in
...
Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See the Maintenance
Schedule for more information. Things that are especially important in trailer operation
are automatic transmission ...






