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Here are the situations where activating this system becomes your best ally :
- When you are driving in a high pollution area (like a traffic jam on the highway )
- Faced with unpleasant odors (landfills, industrial areas, etc.)
- In tunnels or dusty roads
- During the summer heat, to boost the efficiency of your air conditioning
In these specific cases, it effectively protects you from external nuisances , making this button a real shield for your comfort.
The pitfalls to absolutely avoid
However, come winter , this feature can backfire. The reason? Continuously recycled air creates excessive humidity in the passenger compartment, leading to:
- A windshield that fogs up at high speed, dangerously reducing your visibility
- A buildup of CO₂ causing fatigue, headaches or malaise
- A breeding ground for microbes and mold , harmful to your health
These effects often occur without warning. We think we’re doing the right thing, but sometimes we put our safety at risk without realizing it.
👉 Continue reading on the next page…
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