Causes the car to lose its luster and brightness with cleaning.. Correct ignorance and appropriate car wash way. Clear the car with dust particles on it

What causes the car to lose its shine and luster with cleaning?

1. Do not know who is washing it properly and suitable for washing cars.

2. Exposure to the pumping of strong water on the surface of the car.

3. Wash your car with salt water.

4. Clear the car with dust and dust particles on it.

5. Wipe the car with a clean cloth.