Here is 2 cheats that work on the getaway 1 and 2
during the FMV sequence that plays before the main menu appears enter these
Infinite ammunition with no reloading
up,down,left,right,triangle,up,down,left,right,square
Double health
up(2),left(2),right(2),circle(2),down(1)
On the 1st getaway if entered correctly you will hear a woman scream...
On the 2nd getaway if entered correctly the screen will go green on the outside