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:
Belts
• Belts may need replacing if they
squeak or show signs of
cracking or splitting.
• Trained dealer technicians
can inspect the belts and
recommend replacement when
necessary. ...
Engine Compartment Overview
When you open the hood on the 4.2L L6 engine, here is what you will see:
A. Engine Air Cleaner/Filter.
B. Engine Coolant Recovery Tank.
C. Windshield Washer Fluid Reservoir.
D. Power Steering Fl ...
Accessory Power Outlet(s)
With the accessory power outlets, you can plug in
auxiliary electrical equipment such as a cellular
telephone or CB radio.
Your vehicle has three accessory power outlets.
There are two outlets ...