Hint
When the Infogrammes screen appears press up,down,triangle,circle then up,down, triangle+circle at the same time, then lock off should appear and press any one of these:press and hold L1 for no time on arcade games L2 to narrow the tracks Left+R1 to replace the peogeot car with a jeep or hold left+L1+L2+R1+R2 for them all but not the extra car.