Enter these in the game code menu found under Options.

Password	Effect
EAQ79LF4G37DB	All Liveries
25ATEU26BWD0B	All Single Events
9YME5A0H30HEJ	All Tracks
R8RNQ7NP6M0DC	Championship
4LAEYR10WLRC5	Vehicle Set 1
LNBMGDCLPDMF3	Vehicle Set 2
T0KVTQDLYM38G	Vehicle Set 3