Car shampoo with wax cleans surfaces of grease, leaves a protective film on the cleaned surfaces. Dilute 1-2 capfuls of shampoo in 10 liters of water, you can also use cold water. Apply the solution to the surface to be cleaned using a soft cloth or sponge, then rinse with clean water and dry. It is not recommended to apply the substance on a hot surface, avoid direct sun contact when using it.