NISSAN 2011 Titan - Navigation System Owner's Manual - Manual (Page 161)

AVOID AREA SETTINGS
An Avoid Area can be stored.
The Avoid Area is an area that you want to
exclude from a route, such as a road that is
always congested.
Once you store Avoid Areas, the system avoids
those areas when calculating a route.
Up to 10 Avoid Areas can be stored.
1. Push .
NAV3055
2. Highlight [Navigation] and push .
NAV2936
3. Highlight [Avoid Area Settings] and push
.
INFO:
You can also access and store an Avoid
Area from the Address Book.
Storing a location/route 6-7