Fluid is applied into the tank of screen washer and  then applied to the windscreen when required. Liquid  is diluted by the following table,if the frost is weaker. When diluting, we recommend to use demineralised water DYNAMAX or quality drinking water.
Recommended dilution ratios:
Undiluted - usage to -40°C1,5 part DYNAMAX Screenwash -40 °C : 1 part AQUA - usage to -21°C
1 part DYNAMAX Screenwash -40 °C : 1 part AQUA - usage to -17°C