That's why you need to get a cheap "glove box" cam. I keep a canon A530 in my car all the time. I've gotten more than a few decent pictures with it too. No DSLR but better than wishin I'd have had my camera along (-:}..
Some examples from my "glove box" cam: http://www.pbase.com/arlon/canon_a530&page=all
Some examples from my "glove box" cam: http://www.pbase.com/arlon/canon_a530&page=all