Punisher truck
Press C-Down at the vehicle selection screen.

4x4 Monster truck
Press C-Up at the vehicle selection screen.

Thunderbolt truck
Press C-Left at the vehicle selection screen.

The Crusher truck
Press C-Right at the vehicle selection screen.

El Cajon track
Hold Up and press the L + R at the track selection screen. An air wrench sound will confirm correct code entry. Highlight the El Paso track and press Z + A to start.

Flagstaff track
Hold Left and press the L at the track selection screen. An air wrench sound will confirm correct code entry. Highlight the Mojave track and press Z + A to start.

Guadalupe track
Hold Down and press R at the track selection screen. An air wrench sound will confirm correct code entry. Highlight the Vegas track and press Z + A to start.

Quick start
Press A at the starting line, just before the word "Set" fully disappears from the screen