This is a modification that I made to my FX35. I basically installed the Apple AV Cable into the dashboard, and wired the sound and video into my factory system.
PIX HERE: www.hazemonster.com/ itouchfx
Before we could put up the fence the yard had to be totally landscaped...along with SOD being delivered. The whole project ended up costing about $10,000 but was well worth it. We made the money back when we sold the house.