Cheat Codes Infinite turbos At the main menu, press R2, L1, Square, Triangle, R1, L2, L1, R2. If you entered the code correctly, you will hear a sound. TowJam car At the main menu, press Square, Triangle, L1, R1, L2, R2, Square, Triangle. If you entered the code correctly, you will hear a sound. Small cars At the main menu, press Square, R2, L2, Triangle, Triangle, L2, R2, Square. If you entered the code correctly, you will hear a sound. Large tires At the main menu, press Square, Triangle, Square, Triangle, R1, R1, L2, L2. If you entered the code correctly, you will hear a sound. Flat shaded graphics At the main menu, press L1, R1, L2, R2, L1, R1, L2, R2. If you entered the code correctly, you will hear a sound. Dude sounds At the main menu, press R2, R1, L2, R2, Square, Triangle, L1, R1. If you entered the code correctly, you will hear a sound.