車内のどの部品が良好な作動状態を保つ必要があるか、騒音や排気ガスの車内侵入を防ぐために?Which parts of the car must be in good condition to prevent too much noise and gases entering the car?
窓Windows
エンジンと排気システムExhaust and silencer (muffler)
ヒーターとエアコンHeater and air conditioning
泥除けMudguards and mud flaps