MOTOR OIL, 什麼是合成﹐ 半合成?
5W-40, 10W-40, 15W-WO 代表什麼?
My car is new, I just bought the car Two years ago, Only 8000 KM of mileage. Brand: Renault kangoo.
If I want to change Motor Oil, Which one do I need to buy ??
5w-40 or 10w-40 or 15w-40 ?
入錯會發生什麼?