Enter the cheats below in on the Cheats screen of the Options menu to activate their effects:

Toggle Damage - 6WL
Tons of Cash - LOTSAMONEY
Unlock Everything - CHEATINGMUTHATRUCKER
Automatic Nav - USETHEFORCE
Diplomatic Immunity - VICTORS
Evil Truck - VARLEY
Fast Truck - GINGERBEER
Infinite Time - PUBLICTRANSPORT
Level Select - LAZYPLAYER
Small Pedestrians - DAISHI