OK u No the chaperone mission how u drop misty at alantic keys?
go to that place and u will see heaps of garages go to the farest one then floor it at the door u will go strait thru next get out of the car and do cop cheat
do blow up all cars cheat and u will get heaps of money so try it your self.

Cheats Needed
coppers come on you: R2,R2,L1,R2,Left Right left Right left right
cop dont come after you: R2,R2,L1,R2 Up Down Up Down Up Down
Blow up all cars: L2,R2,L1,R1,L2,R2,Triangle,Square,Circle,Triangle,L2,L1