[dox47]

If you have a sunroof, there is a little trick I've found that works pretty well. Rather than using the "vent" setting were it lifts the back of the roof a bit, I open the front maybe one inch, and simply exhale directly out it while I smoke, it works way better than just opening the vent or the window. This also lets you hold the stick in your right hand while still venting any tip smoke, and is way more comfortable for extended driving/smoking sessions. Also, at speed if your ash gets a little long it's really easy to stick just the tip out the top of the roof, and the wind will snap that loose ash off just like you flicked it, with less chance of any blowing back in the car than ashing out the window.