E-Type Cheats (PC)

If you come to a halt directly under a time bonus then you will receive the time bonus
every few seconds.
  Select to race 'All Tracks' then, during the game, slam on the breaks with about 1
second left on the clock. The screen should go crazy and on the next course your distance
travelled should be increased by a few 10s of kilometres.
  If you hit a patch of oil, then, if you hit the pause key and wait until the sound
stops, then you will have stopped sliding.