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:
Normal Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from
your dealer.
...
Heated Seats
Your vehicle may have
heated front seats.
The buttons used to
control this feature are
located on the front
door armrests.
The engine must be
running for the heated
seat feature to work. ...
Capacities and Specifications
Engine Specifications
...