Make sure the window is open during the cleaning process. Avoid inhaling the vapors during cleaning.
Check to make sure that the condensation water drainage openings are not blocked
Dry the surface of the evaporator for 10 minutes with the engine running using the following heater and blower settings: Switch off the air conditioning unit and set to air circulation. Set the air distribution switch to footwell. Turn the temperature regulator and blower selector to maximum.