Chevrolet 2011 Corvette Navigation System Navigation Manual page 84

If your system needs service and
you have followed the steps listed
here and still are experiencing
problems, see your dealer for
assistance.
The map DVD in the vehicle is
the most up-to-date information
available when your vehicle was
produced. The map DVD is updated
periodically, provided that the map
information has changed.
For questions about the operation of
the navigation system or the update
process, contact the GM Nav Disc
Center toll free phone number,
1 877 NAV DISC (1 877 628 3472)
or go to the center's website,
www.gmnavdisc.com. To update
or replace a disc, call the GM
Nav Disc Center or order a new
disc online. Have the Vehicle
Identification Number (VIN)
available when ordering. This
ensures that you receive the correct
and most up-to-date DVD map
disc for your vehicle. See Vehicle
Identification Number (VIN) in
the Index of your vehicle's owner
manual for more information.
After receiving the updated
disc, replace the old disc in the
navigation system. See Installing
the DVD Map Disc under
. Dispose of the old disc to
avoid confusion about which disc
is the most current.
Coverage area depends upon the
map detail available. Some areas
have greater map detail than others.
The navigation system works only
as well as the information provided
on the map disc. See
on how to obtain
updated map information.
The navigation system's voice
recognition allows for hands-free
operation of navigation and audio
system features. Voice recognition
can be used when the ignition is on
or in ACC/ACCESSORY or when
Retained Accessory Power (RAP)
is active.
This feature only works if the map
DVD is inserted. If you try to use
voice recognition without the map
DVD inserted, the system displays
Please insert the navigation map
DVD to use the voice recognition
feature. See Installing the DVD
Map Disc under
The system may not hear you or
may hear the incorrect word with the
windows open or the convertible top
down due to background noise.
.