That crazy lockdown nonsense is the #1 reason I don't have an iPhone. #2 is because I'm not on AT&T. I'll stick with my Guino (once I receive the parts and build it that is).
If I was going to go through the effort of building that kind of power into an odb interface, I'd just put a PC in my car and be done with it. Cool idea, though, from a "what if" standpoint.
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