1) Apart from the news which is crap and the odd
history programme you are about the only other
TV that Im watch.
Having said that:
2) The car sinks nose first, you can only open the door when the air at the back of the car gets
displaced/flooded.
If your man were to crawl through and sit on the back seat he would probably not have to hold his breath for very long atall before being able to open a door