Some of these things have very little privacy consequence -- remembering seat positions tells nothing you can't tell by looking at me. Remembering bluetooth pairing could hurt me if it leaks out but that's more security than privacy. There could be some consequences from remembering radio stations programmed and a few other things. Those could be solved with a nice little trick -- use bluetooth object push to store the information in my phone/pda and fetch it back. Then the company doesn't have to keep a record. I do. And in fact then it moves to other cars too.