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:
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
Tips and Troubleshooting
IR Sensor Inoperative: Check that the batteries are good in the remote control.
Check that the remote Control IR Sensor is not blocked. Aim the remote control toward
the IR Sensor being controlled ...
Rear Window Wiper/Washer
For vehicles with a rear window
wiper/washer, the controls are on
the end of the windshield wiper
lever.
Press the upper or lower portion of
the button to control the rear wiper
and rear ...