What does 'cleanair' displayed on the car mean?
3 Answers
When 'cleanair' is displayed on the car, it refers to the air purification function, which is a feature of the vehicle's air conditioning system. The car air conditioning is a crucial comfort feature in automobiles, capable of both cooling and heating, as well as filtering out impurities from the outside air. The 'cleanair' function is an air purification feature typically found in mid-to-high-end vehicles. The 'cleanair' button serves only as an indicator and cannot be manually pressed. The 'cleanair' system can adsorb more harmful substances onto the filter element and purify the air through negative ions. By generating plasma through a high-voltage circuit, the protein membrane on the surface of bacteria is destroyed by positive and negative ions, causing them to lose vitality and die, thereby achieving the goal of eliminating bacteria in the air.
I often see the clean air icon light up while driving, which means the in-car air purification system is operating. It mainly filters out external dust, pollen, and pollution particles, making breathing fresher. Especially during traffic jams or poor air quality in big cities, activating this function feels very comfortable, and odors in the car are reduced. Some brands like Toyota or Honda are equipped with this feature. I recommend checking your air conditioning settings regularly to ensure the purification mode is activated. After using it for a few years, it might even help reduce the chances of catching a cold.
As an automotive technology enthusiast, I understand that 'cleanair' is an indicator for the air purification system. The system captures particulate matter like PM2.5 through high-efficiency filters to improve in-cabin air quality. In most modern vehicles such as Tesla or Volkswagen, you can activate it simply by clicking the AC panel—it's powerful yet energy-efficient. From my tests, air quality noticeably improves when using it in industrial areas. For maintenance, remember to replace the filter every 15,000 kilometers to prevent clogging and performance degradation.
