What are the precautions for car washing?

1, avoid washing the car in the hot sun. This will leave traces of dry water droplets on the car body, which will seriously affect the effect after car washing. Whether the owner washes the car himself or goes to a car wash shop, he should be careful not to wash the car in the sun.

2. Avoid using water other than soft water for cleaning, including hot water, alkaline water and high hardness water. Because these substances will damage the car paint. Cleaning with hard water will leave traces and films on the body surface after drying.

3. Avoid washing the car body with high-pressure water flow. Excessive water pressure will damage the body paint. If there is hard dust and mud on the car body, soak it in water first and then rinse it with water. Spray with dispersed water.

4. Avoid adding detergent. Washing powder, washing powder and inferior soap are not allowed to be used during cleaning. Because these detergents contain alkali, it may wash off the grease in the paint and accelerate the aging of the paint. Generally, no detergent is added when washing the car.

5. Avoid rubbing. After cleaning with water, many people like to wipe; There are two main problems in wiping: unqualified wiping cloth and wrong wiping method. To wipe, please use a soft cloth or a soft clean sponge. When wiping, you should wipe it gently from top to bottom along the direction of water flow, and you can't wipe it in circles or sideways.

Extended data

There may be highly corrosive stains on the car body, such as asphalt, oil stains, bird droppings and insect droppings. These stains are difficult to clean, and the correct method must be used. When washing the car, soak it in soapy water first; You can't wash your car with gasoline, detergent and thinner.

Avoid using hard cleaning tools to remove dirt. For example, using plastic brushes and blades to scrape stains can easily damage the paint surface. Avoid touching the surface of the car body with dirty hands stained with oil, or arranging oily tools or brushes containing organic solvents on the car body, which are easy to make the paint fade prematurely.

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