Can Japanese cars use 0w40 engine oil?

[AllieAnn]

Whether Japanese cars can use 0w40 engine oil depends on the manufacturer's requirements. Engine oil, also known as motor lubricant, serves multiple functions including lubrication and wear reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, shock absorption, and anti-wear. The steps for changing engine oil are: 1. Lift the car, remove the protective plate, and place a container of about 10 liters under the oil drain plug; 2. Loosen the oil drain plug and use an air gun to blow for two minutes at the oil filler port; 3. After draining, tighten the oil drain plug and wipe it with a tissue to check for leaks; 4. Reinstall the protective plate, lower the car, and use a funnel to add engine oil through the filler port.