I'm probably one of the niche guys but I see wider applications for this. I like in dash GPS which I have from an after market unit. I use it frequently. The problem is that to update the maps, you need to purchase a CDROM for a hundred smackers. Once you have it for free on your phone you are not going to do that. So I use the phone. Hooked up, the voice instructions play through the stereo. Direct connection is noticeably superior to blutooth for this purpose. The only problem is the awkwardness of screen control access. I could just mount the phone to the dash but the iPhone screen is a little small.

What I want is to connect my phone and then have a nice big touch screen on the dash that functions like the phone. I don't care much about voice control (I don't have Siri) but I suppose it would be nice.

I'll look for the videos. It seems improbably to me that they could screw this up but I am often dissappointed