There is something to say about car washing, don’t you wash your car? Or send it to the car wash shop and give it to the money. Either wash it yourself, water and detergent, rag one, get it!
Why do you want to wash your car?
The car is dirty!
correct! Just wash it, you are not afraid of washing more and more "dirty"? If you wash it, you still have to fix it.
Just kidding, can the car wash be broken?
Just kidding, do you try to wash your face with sulfuric acid?
There is also a lot of attention to car washing, and there are some "blind spots".
Don't let the car be in the ice and fire
Don't use cold water? Do you still use hot water?
First: the appearance of the car is a layer of lacquer. After the high-speed driving in the sun or the hot sun, the surface temperature of the car paint is very high. At this time, washing with cold water can easily cause the paint surface to crack (for the repair The finish is even more serious).
Second: the body structure of the car is all metal. Although the temperature in summer is far from the point where it can melt, there is also a loss of thermal expansion and contraction. If it is washed immediately with cold water, it is the most The extreme case is a condition in which a metal member is cracked.
The correct way: wait for the temperature to drop before washing the car.