Create or edit a driver in build mode. Then, enter one of the following driver names at the make a license screen to activate the corresponding cheat function:

RESULT	NAME
Rocket car	FLYSKYHGH
Reversed Rocket Racer Run track	LNFRRRM
Turbo mode	FSTFRWRD
Maintain speed off track	NSLWJ
All pick-ups are always at maximum	MXPMX
All pick-ups are grapple	RPCRNLY
All pick-ups are green (Fast-forward)	PGLLGRN
All pick-ups are yellow (Oil)	PGLLYLL
All pick-ups are red (Bombs)	PGLLRD
No driver	NDRVR
No wheels	NWHLS
No chassis	NCHSSS
Disable all cheats	NMRCHTS