Enhanced Colors
     To  get  more colors when painting your own logo, move the cursor
out  of  the painting area and hold L1 + L2 + R1 + R2 + Select. An RGB
option will appear. To change these values, use Left or Right and R1 +
Up or Down.

Mirror Mode
     To  race  on  a  mirrored version of any track, select a race and
hold L1 + R1 + Select + Start until the race begins.

Rotate Logo
     To  get a better idea of how your lego will appear on a car, hold
L1 + R1 + any direction to rotate and flip your logo.

Toggle Rear View Mirror
     To  turn  off  the  rear-view mirror, pause the game and press L1
while holding Triangle. Do the same to get it back up.