Actually, your Red 911 may be working against you. Some chix get intimidated by a smooth guy in a hot car.... and sometimes, as Zeke noted above, its better to 'sneak up on them' with your personal smoothness first, then hit her with the car (not literally of course).
If you roll up in the Red 911...it can only be downhill from there as you will have a lot to live up to. eh?