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:
Turning the System On and Off
The system can be disabled through
the Driver Information Center (DIC).
See “Parking Assist” under Driver
Information Center (DIC) for more information.
URPA defaults to the on setting
each ti ...
Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant.
This coolant is designed to remain in the vehicle for 5 years or 240 000 km
(150,000 mi), whichever occurs first.
The fo ...
Weight of the Trailer Tongue
The tongue load (A) of any trailer is
an important weight to measure
because it affects the total gross
weight of the vehicle. The Gross
Vehicle Weight (GVW) includes the
curb weight of the ...






