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:
Operation
Controls
The infotainment system is operated by using the pushbuttons, multifunction
knobs, menus shown on the display, and steering wheel controls, if equipped.
Turning the System On or Off
...
Turn Signal Lamps
To replace one of these bulbs:
1. Open the liftgate. See Liftgate .
A. Push Pin
B. Taillamp Cover
2. Pull on push pin (A) to release the taillamp cover (B).
3. Remove the taillamp cover ...
Battery Voltage and Charging Messages
BATTERY SAVER ACTIVE
This message displays when the vehicle has detected that the battery voltage
is dropping beyond a reasonable point. The battery saver system starts reducing
certain features ...