2, engine cooling, when washing the car, no matter how to operate, this must be guaranteed, if even the basic engine cooling can not be maintained, it is easy to cause product aging.
3. Avoid washing your car in the sun. When washing the car, don't face the sun. This is very harmful to the car, so it must be cleaned in a cool place. This is also a mistake that people are prone to make.
4, rag replacement, many car owners are not used to replacing rags when washing cars, always use a piece of cloth from beginning to end, which is very undesirable, and must be replaced in time when cleaning different parts, which is also an inevitable choice to ensure the ideal cleaning effect.