TV canceler: This wiring allows you to watch TV while driving. I purchased it when I changed cars, but I made a mistake with the navigation type and couldn't use it, so I'm selling it. I will ship it with the instruction manual. TV canceler for Nissan dealer option navigation: MM523D-L, MM223D-L, MM323D-L, MM223D-Le, MM522D-L, MM322D-L, MM222D-L, MM222D-Le, MM521D-L, MM321D-L, MM520D-L, MM320D-A, MM320D-W, MM320D-L. Allows TV and navigation operation while driving. TV kit.