Mirror mode:
     Hold Select when choosing a course in single race or time attack mode.

Unlimited nitro:
     Hold  Select when choosing "OK" at the car and track confirmation
screen  (final  screen  before the race begins) in single race or time
attack mode.

Bonus car:
     Select  the  Rally-X mini-game at the options menu. After passing
50,000  points  in the mini-game and it finishes, the Rally-X car will
be unlocked in world tour mode.

Unlock Rave Racer Arcade introduction sequence:
     Successfully complete EX Tour 36.

Unlock Ridge Racer 4 introduction sequence:
     Successfully complete EX Tour 33.

Unlock Ridge Racer 5 introduction sequence:
     Successfully complete EX Tour 34.

Unlock Ridge Racers 2004 E3 demo FMV sequence:
     Successfully complete EX Tour 35.

Unlock Machine Design Collection 1 pictures:
     Successfully complete EX Tour 37.

Unlock Machine Design Collection 2 pictures:
     Successfully complete EX Tour 38.

Unlock Machine Design Collection 3 pictures:
     Successfully complete EX Tour 39.