Intercourse that happens inside a car, truck, van, or any type of motor vehicle (space permitting). When administered correctly, it is possibly the best sex you could ever have.
"I had car sex the other day with my boyfriend, Neill and it was amazing! I came like 9 times!"
There are many ways to engage in intercourse with a car; one merely has to be creative enough.
The man was busy having sex with his car, and was not able to react in time when a little boy stepped into the road; the car and the man died, the little boy survived.