As far as the navigation system goes... You should be able to get a converter for the monitor so you can hook it up to a dvd player/video game. I know you could do it with the TL's.
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1995 BMW 540/6 - The Track Rat
2009 Ford Escape - Stock Toy Hauler/DD
2007 Lexus RX350 - Stock Wife Hauler
2009 Kosmic - The Toy - 125cc Vortex Super Rok TAG, (For Sale - $2800)
2007 Intrepid Silverstone - The Faster Toy - CR125 6-Speed