Jika penyelenggaraan diabaikan, boleh menjejaskan prestasi serta merosakkan komponen dalaman. Minyak kotor mahupun kurang dapat mengurangkan pelinciran serta penyejukan.While in the early mass-made automobiles, the regular transmission layout was manual: the combination of gears was picked by the motive force by way of a lever (the gear adhere) tha