8.The navigation system is fairly easy to use. We didn't even read the manual to figure how to enter a destination address to navigate to. It would take more than one DIN of area to keep all the maps in memory, so make sure the map DVD that has your desired location is in the disk player before you start. After you make the selection from the given list of search results, the AVIC will pinpoint your desired area of interest. From there, you can choose from assorted viewing options on how the AVIC shows you your routing directions.