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:
When to Check
Check the tires once a month or more.
Do not forget the spare tire. See Full-Size Spare Tire for additional
information. ...
Object Detection System Messages
PARKING ASSIST BLOCKED SEE OWNERS MANUAL
This message displays if there is something interfering with the park assist
system. See Ultrasonic Parking Assist for more information.
PARKIN ...
Compact Spare Tire
WARNING!
Driving with more than one
compact spare tire at a time could
result in loss of braking and
handling. This could lead to a
crash and you or others could be
injured. Use only one co ...