I installed this mod on my F500BT, using just the data.zip, sys.txt, and loading the new samantha TTS files in the Testmode folders via the folders loaded on my SD card. Everything works awesome. Except for some reason when I input a destination, and hit route, the unit restarts. Once it reloads, it goes right back to the navigation map. I then re-enter my destination and everything works as normal! Weird i know. What are your thoughts? I did change one thing on the sys.txt file, the first line on your sys.txt reads [device] type="PIONEER746UC" and I changed mine to read [device] type="PION