NASCAR 2000 cheats and cheat codes for Nintendo 64

Enable auto-pilot
During a gameplay, hit L.

Cheat codes - Unlock racers:
Choose the indicated tracks, highlight the "Select Car" options, then 
enter the indicated button combinations less tahn 4 seconds. If the code 
is accepted, you should hear a sound.

Unlock Cale Yarborough
Choose the Darlington track, highlight the "Select Car" selection, and hit 
C-Up, C-Left, C-Down, C-Right, C-Up, C-Left, C-Down, C-Right, Z, Z 
less than 4 seconds.

Unlock Benny Parsons
Choose the Richmond track, highlight the "Select Car" selection, and hit 
Right, Right, Z, Z, Left, Left, C-Up, C-Up, C-Down, C-Down 
less than 4 seconds.

Unlock Alan Kulwicki
Choose the Bristol track, highlight the "Select Car" selection, and hit 
Left, Right, C-Up, C-Up, C-Down, C-Down, C-Left, C-Left, C-Right, C-Right 
less than 4 seconds. 

Unlock Davey Allison
Choose the Talladega track, highlight the "Select Car" selection, and hit 
C-Up, C-Down, C-Left, C-Right, C-Up, C-Down, C-Left, C-Right, Z, Z 
less than 4 seconds. 

Unlock David Parson
Choose the Martinsville track, highlight the "Select Car" selection, and hit 
Left, Z, Right, C-Right, C-Down, C-Left, C-Up, C-Right, Z, Z
less than 4 seconds. 

View replay in slow-mo:
Pause the game play and choose "Instant Replay". Hit Up-Left or 
Up-Right on the Analog-stick