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:
Engine Heater
The engine coolant heater, if available, can help in cold weather conditions
at or below −18°C (0°F) for easier starting and better fuel economy
during engine warm-up.
Plug in the coolant h ...
Courtesy Lamps
The courtesy lamps come on automatically when any door is opened and the
dome lamp is in the door position. ...
Connecting and Controlling a USB Drive
Files that are not stored in folders are displayed in the root directory
(USB).
Connecting a USB Drive
Connect the USB drive to the USB port.
Disconnecting a USB Drive
A USB drive should ...