Colin McRae Rally 4

Kodai:

Pick the SECRETS option in the options menu. Submit the code one of the following codes at the CODE ENTRY prompt. Finish the entry by selecting OK.
The cheats can be turned on by selecting them in the list and pushing Right.

All weather:

Submit the code CLRWTR.

Group B mode and Group B cars:

Submit the code CFCKGL.

All other cars (including bonus cars):

Submit the code AIDLAU.

All tracks:

Submit the code BSDJUC.

Expert mode:

Submit the code HIQNRM.

All car parts:

Submit the code FUDWHC.

All tests:

Submit the code DMLPOD.

Mirror tracks:

Submit the code EPDZJF.