Colin McRae Rally 2005: Tips

In the game folder there is a directory “SG” in it there is a file “options”
Open it with any hex editor.
go to offset “0Ch” (13th byte from the beginning of the file)
and change two bytes to FF FF
Then go to offset “10h”, (16th byte from the beginning of the file)
and change two bytes to FF FF

You now have access to all cars and tracks.