The following are known Action Replay Codes for Need for Speed III: Hot Pursuit on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Start On Lap 2 (Knock- Out)
d011dd300000
8011dd300001

Start On Lap 4 (Tournament)
d011dd300000
8011dd300003

Enable Nazda C2
8004392e0101

Enable Empire City and El Nino
800fa9e0003d

Enable All Levels and Cars
80125f10ffff

Enable Ferrari 550 and Diablo
800439300101

Enable Jaguar XJR-15 and Mercedes
800439320101

For 2.0 Enable Diablo
800439300100