This morning dismayed to discover the screen on my Emyway unit has gone completely kaput. There seems to be some backlight and when you turn on the ignition the screen flashes but that's it. The unit still works though using the controls is a bit of a challenge. Going to have to take it to a dealer to see what they can do.... anyone else had this? I've had the temperamental random rebooting that other owners have described but this is totally different.