How to unlock cars. To unlock coco's car get her fusion unit on the ship in mystery island. To unlock n.Gin's car bring him his plutoniom in mystery island. You don't have to unlock crash's or cortex's car in teir one. Bring passadina a power crystal. Bring crunch 2500 wumpa coins. Bring von clutch a power crystal. Bring nina her keys(next to the drone selling evil crash out fit if you don't know where it is it's next to the battle arena/the jump pad and cortex).