Rinse coarse and loose dirt on the car with water. Foam 2-3 caps car shampoo in 10 litres of warm water. When using a pressure washer, place the Sonax car shampoo (pre-diluted with water 1:3 to 1:5) in the appropriate cleaning container. Please follow the regulations of the device manufacturer. Wash the trolley with Sonax multi-sponge. Then rinse with plenty of clear water and drain