I found this interesting glitch on car park. It is in double speed so pay attention if you ever want to do this.
http://youtube.com/watch?v=uTLqMlCDohI
                
            http://youtube.com/watch?v=uTLqMlCDohI








   u can also go into the pits 
) in the next patch damage ll be addet, but i dont know how it should work than.... may be the car ll explode after drifing into a fence 
 and remember, without reset u have to drive throug 2 of them :/
 and u can reset urself by goin into the last pits 