Jak X: Combat Racing unlockables:
Normally the turbo exhaust comes out blue but it can also come out green. In order to get the Green Turbo you must complete Hero Mode.
Have a Rachet And Clank Save file On Your Mem Card
Don't push any button until starting numbers get to 1.When it says go push X for an extra turbo to get a headstart!
Connect the PSP game, Daxter to the Jak X: Combat Racing via a USB cable. You’ll unlock the Daxtermobile in Jak X: Combat Racing and other goodies for the Daxter PSP game.