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 Inspect the Engine
Air Cleaner/Filter
Inspect the air cleaner/filter at the
scheduled maintenance intervals
and replace it at the first oil change
after each 80 000 km (50,000 mile)
interval. See Maintenance Schedule, for more inf ...
Radio Data System (RDS)
The audio system has a Radio Data
System (RDS) feature. RDS is
available for use only on FM
stations that broadcast RDS
information. This system relies upon
receiving specific information fr ...
Horn
Pressaon the steering wheel pad
to sound the horn. ...