So there was in amazing product that was debuted at the 2009 SEMA show Called Prautogy. Ive been doing my research on it, called and spoke with couple of the tech's there, and i am LOVING what im seeing!!!It looks amazing!! Imagine;Complete Electrical control over your vehicle thew your I Phone!-Power Windows-Power Lock-Shaved Doors-Air Ride-HVAC-Headlight -Horn-Trunk-Remote Start-Ect.
Check It out!!
http://www.Prautogy.com
And on Youtube.com they Videos of there system installed on an AMC Gremlin!!For now its only for the i Phone, But soon i will be for ALL hand-held style phones!!