That Mysterious Dashboard Button? It’s Your Car’s Air Recirculation System—And You Should Know How to Use I

During high-pollen seasons, keeping outside air out significantly reduces the amount of allergens circulating inside—especially when paired with a clean cabin air filter.

When Not to Use Recirculation
⚠️ In Cold or Rainy Weather
Trapping moist air inside the cabin increases humidity, which can cause windows to fog up—a serious visibility hazard. Switch back to fresh air mode to keep your windshield clear.

⚠️ On Long Drives