Put in the following cheats for the Driver's Name

ALLTHECARSNOW Get All Cars (In Arcade Mode)
ALLTRACKSPLEASE All Tracks (Arcade Mode)
LEMANSOFFERS Use Any GT1, GT2, etc in Lemans Mode
ENDOFFERS All Championship Cars
MAKEITPEASY Race Over 1 Lap in Lemans Mode, Others Cars Handicapped
MAKEITNORMAL Toggle MAKEITPEASY Cheat
TOYOTA1999 Use Toyota Team
1999AUDI Get Audi Concept Car
19BMW99 Get BMW Concept Car
DEBORALM Get Debora Racing Team
DEBORACING Use Debora Racing Team in Lemans Mode
1999CHEATCARS GT1 and GT2 Carsype GT1 and GT2 Cars