Navigation
OnStar navigation requires the Directions and Connections service plan.
Push 
to receive directions or
have them sent to the vehicle
navigation screen. Destinations
can also be forwarded to the
vehicle from Google Maps™ or
MapQuest.com. The OnStar
mapping database is continuously
updated. Visit www.onstar.com for
coverage maps.
See also:
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 ...
Additional Program Information
All program options, such as shuttle service, may not be available at every dealer.
Please contact your dealer for specific information about availability. All Courtesy
Transportation arrangements ...
Trailer Towing
If the vehicle is a hybrid, see the hybrid supplement for more information.
Do not tow a trailer during break-in. See New Vehicle Break-In for
more information.
WARNING
The drive ...