All A8 Cars in TT and Race Mode:

Enter “TURBO CHALLENGE” as name for player four.

Arcade Mode Surprises:

Enter “ARCADE ACTION” as name for player four.

Citroen Saxo WRC:

Enter “THROW ME A BONE” as name for player four.

Citroen WRC:

Enter “MAX POWER” as name for player four.

Energy in Arcade Mode:

Enter “ARCADE UNLIMITED” as name for player four.

Extra Minute of Service Time in Arcade Mode:

Enter “GIVE ME TIME 1” as name for player four. Press “T” at the service screen.

R/C Car:

Enter “RADIO CAR” as name for player four.

       

Thanks to Revolution reader Mike Hebert!