In the summer, the usual private owners are washing the body with water and wiping with a rag. Here is to remind the private owners that the interior of the body should not be washed directly with water. Because the floor under the floor of the driver's cabin is not "flat and flat". The structure needs to make the floor of the cab floor cushion with many holes and through holes. After rinsing with water, it is not easy to dry in the groove, and it will rust on the gearbox and other parts from the through-hole. In particular, cars with better sealing performance can not wash the body directly with water. The right way is to wipe with wet cloth, but avoid stagnant water.