FORD 2006 Expedition v.2 - Manual (Page 82)

Latest map CDs
The traffic network is constantly changing due to new roads, traffic
restrictions, etc. Therefore, it is not always possible to exactly match the
digital CD map with the current roadways. To help with accuracy, always
use the latest version of the map CD for navigation.
2006 Expedition (exd)
Owners Guide (post-2002-fmt)
USA (fus)
Entertainment Systems
82