Engine: Makes the car work.
wheels: Makes the car move.
seatbelt: Keeps you safe.
Fuel: Keeps the car working.
steeringwheel: Make the car turn.
Lights: Makes other drivers see where you are at night.
wheelnuts: Makes the wheels stay on the car.
crashtests: Makes sure the car is safe.
Supercars: Faster cars on the road.
keys: Unlocks the car.