2003 Toyota Prius Navigation Manual - Page 60

ROUTE GUIDANCE AVAILABILITY Route guidance available area for detailed roads and for main roads are provided. 1PE001L 1UE040 DVD: To determine which version of the database is currently in your vehicle, touch the "DVD" switch on the Menu screen. It displays the map database version. The software covers the route guidance available area as shown in the following "Route guidance availability" illustrations. Route guidance available areas may change due to the upgrading of the map data. The map database is normally updated once a year. Contact your Toyota dealer for information about the availability and pricing of an update. 53