menu+option+cheat and enter:
 
 cheat:
 GIMMEALL
 result:
 ALL LEVELS AND CARS ACTIVE
 ---
 RESETALL
 RESET TO GAME DEFAULTS
 ---
 RESETLAP
 RECORD LAPS AND TIMES RESET
 ---
 KEYFOUND
 FOUND ALL PADLOCK KEYS
 ---
 RESETFMV
 ALL FILMS RESET
 ---
 CINEMAON
 ALL FILMS AVAILABLE
 ---
 RESETKEY
 ALL KEYS RESET
 ---
 KARTSON
 GAME WITH KARTS
 ---
 KARTSOFF
 GAME NO KARTS
 ---