Replace the oil that needs to be cleaned, the method of replacing the oil:
1. Start the car before changing the oil. Warm up the car for about 10 minutes, and the oil in the engine will heat up. The fluidity is better and it is easier to keep it clean;
2. The next step is to raise the car. The car has a low chassis and cannot climb in, so there is no way to change it. For SUVs, just climb in directly and you don't need to do this step;
3. It is not recommended that the car owner use a jack to lift the car up, it is dangerous, if it slips and someone pushes it, the car will be pressed down;
4. It is best to use this kind of ramp board, which is more convenient and safer, just drive it up directly. Then climb to the bottom of the car to find the oil drain screw. The oil drain screw is usually on the oil pan. It is the largest screw on the top, which is relatively easy to find;
5. If you don't know which is the oil pan, just open the engine compartment and find the position of the engine. The oil pan is generally at the bottom of the engine. However, some cars have an engine guard, so you have to remove it before you can see the oil drain screw.