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:
Radio Menus
Radio menus are available for AM and FM.
Turn the MENU/SELECT knob to open the main radio menu for that frequency. ...
Compass
The vehicle may have a compass display in the Driver Information Center
(DIC). See Compass. ...
Hard Drive Device (HDD)
To use the HDD, tracks must be
recorded from a CD, MP3 Disc,
or USB device first. ...