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:
StabiliTrak® System
The vehicle has a vehicle stability enhancement system called StabiliTrak.
It is an advanced computer controlled system that assists with directional
control of the vehicle in difficult driving cond ...
Multi-Band Antenna
The antenna located on the roof of
the vehicle is used for the OnStar,
XM Satellite Radio Service System,
and GPS (Global Positioning
System), if the vehicle has these
features. Keep the ant ...
Interior Lighting
Reading Lamps
The reading lamps are located on
the overhead console. These lamps
come on automatically when any
door is opened.
For manual operation, press the
button next to each lamp to tu ...