Air Conditioning Cleaner. It eliminates bacteria, fungus, mildew and viruses in all air conditioning systems which cause unpleasant odors, symptoms of hey fever and other allergic reactions. It cleans all the system within 10 minutes. It deodorizes upholstery and carpeting leaving a new car scent. The product meets European standards following the BS EN 13697 Directive. Application: 1. Make sure that all car windows are closed. 2. Move the seat of the front passenger forward as much as possible. 3. Start the engine. 4. Turn the air conditioner on in the recirculation mode for the full power and direct the main air flow through the ventilation louvers of the dashboard. 5. Put the air conditioning cleaner on the mat of the rear passenger in the vertical position. 6. Press the button down until you hear a click. 7. Leave the car and make sure that all the doors are closed. 8. When the bottle is fully empty, let the air conditioner operate for 5 minutes. 9. Stop the engine and carefully remove the empty bottle. ATTENTION! There might be moisture on the steering hand grips (manual brake arm, gearbox shifter, etc.). This moisture is safe and it must be removed with a dry, clean cloth. The product scent will last for about 24 hours and then disappears leaving the new car scent.