Various cheats
     Enter these codes at the map screen.

Cheat code:                       Result:
Left, Right, Left, Right, A       All Driving Upgrades
Up, Down, Up, Down, A             All Fighting Moves
Right, Left, Right, Left, A       All Gunplay Skills
Down, Down, Down, A               Bigger Car
A, B, X, Y                        Show Nick's Coordinates

Enter these codes as your license plate,
then hold L + R when you select OK

M1K3 Play as commando
HAWG Play as biker
TFAN Play as gangster
B00B Play as female punk
JASS Play as donkey
TATS Play as tatooed lady
PHAM Play as butcher
MNKY Play as male punk
BRUZ Play as boxer
J1MM Play as corpse
FATT Play as police officer
P1MP Play as pimp
MRFU Play as asian
5WAT Play as S.W.A.T.
B00Z Play as street bum
PIMP Play as pimp
B1G1 Play as your boss
ROSA Play as your partner
HARA Play as asian worker
FUZZ Play as Officer Johnson 
HURT_M3 Play as your partner in underwear