What is what to do when windshield is foggy?

Here's how to deal with a foggy windshield:

A foggy windshield significantly reduces visibility and can be dangerous. Here's a breakdown of how to clear it, addressing both the inside and outside fog:

Dealing with Fog Inside the Windshield:

  • Defroster: The most effective method is to use your car's defroster. Turn it on to the highest setting, directing the airflow towards the windshield.

  • Air Conditioning: Surprisingly, using the air%20conditioning system can help remove moisture from the air, speeding up the defogging process. Activate A/C along with the defroster.

  • Heat: While counterintuitive, using heat can sometimes be more effective than cool air. Experiment to see which works best in your car.

  • Recirculation: Initially, turn off the recirculation setting. Recirculation uses the humid air inside the car, which can worsen fog. Once the fog starts to clear, you might turn recirculation on temporarily.

  • Windows: Cracking open the windows (even slightly) can help equalize the temperature and humidity inside and outside the car, reducing fog.

  • Cleanliness: A dirty windshield attracts more condensation. Regularly clean the inside of your windshield with a glass cleaner.

Dealing with Fog Outside the Windshield:

  • Wipers: Use your wipers to clear the condensation.
  • Defog Setting: Many cars have a separate defog%20setting for the windshield wipers that applies a special fluid to help prevent fogging.
  • Rain Repellent: Applying a rain%20repellent product to the outside of the windshield can help water bead up and roll away, improving visibility.

Preventative Measures:

  • Keep your car clean: Regularly vacuum and clean the interior to remove moisture sources like wet leaves or damp floor mats.
  • Anti-fog products: Apply an anti-fog product to the inside of your windshield for longer-lasting protection.
  • Check for leaks: Address any leaks in your car, as they can contribute to increased humidity inside the vehicle.