carpet cleaning tool 120W,DC12V,9A water flow:3.5-6.5L/min ... the car.1,Open the spray gun, and empty the inside air, turn the water barrel to adjust water shape, adjust the spray nozzle to mist,wet the ... of the washing liquid, then use the machine to spraythe liquid on the car in mist shape.3.Modulate the nozzle to scattering shape, make the spray ...