Create a new driver profile and type in the cheat as name. A sound will
 be heared if you did everything right. Now you can choose one of your old
 profiles, the codes are still active.

 Gulliver   Cars as buggies
 Smash Up  Destroyer mode
 Dakar    Drive like a rally car, slides etc.
 Fuzzyfuz   Cops in fast race (not on all courses)
 yraGyraG  All cars drive and behave like a 933
 fetherw8   Heavy cars