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Defog-Windshield-Blog

Do you hate dealing with a foggy windshield when driving? It can be difficult — especially in humid climates such as Florida — to see clearly because of the moisture that builds up on the glass.

If this issue persists, it can be dangerous while driving. Therefore, knowing how to defog your windshield quickly and effectively is essential. In this post, you’ll learn why windows get foggy, how to get rid of fog on the windshield, and discuss some safety tips for driving with limited visibility.

WHY DO WINDSHIELDS FOG UP?

Have you ever wondered why the windshield fogs up, even if it’s not raining or snowing outside? It’s not just a random occurrence — there’s a scientific explanation behind it.

When you’re inside the car, you’re constantly exhaling warm air with moisture in it. This moisture combines with the cooler air inside the vehicle and condenses on the surface of the windshield, creating a foggy effect.

In addition, if it’s humid outside (which is typical Florida weather), this can increase the moisture buildup inside your car and worsen the fogging. Understanding why your window fogs can help you prevent it from occurring in the first place or quickly resolve the issue when it inevitably happens.

5 STEPS TO DEFOG YOUR WINDSHIELD

Foggy windshields can cause significant problems — including being very dangerous — so defogging your windshield is essential. The steps below are simple and easy to ensure windows are moisture-free.

Step 1: Turn on your car's Defog/Defrost feature and, if available, turn on the Max Defrost. Turning on the defogger will blast hot air onto your windshield, clearing the fog. (The Max Defrost button will work faster, but both buttons clear your windshield.)

Step 2: Ensure the recirculation button is turned off. The Recirculation button keeps cold or hot air in the car. However, it can cause trapping moisture inside the car, causing windshield fogging.

Step 3: Set the fan to the highest setting. The high fan speed increases air circulation in the car, which helps clear the fog.

Step 4: For defogging, turn the A/C to On. This step might seem odd, but the defroster removes moisture, not warming the car; turning the A/C on will help dry the air.

Step 5: Once the windshield is clear, you can change your climate system back to your preferred temperature and settings.

After doing the steps above, it should successfully defog your windshield. However, if high fan speeds aren’t suitable for your taste, you can always lower the fan speed, turn the temperature up or down, or even adjust the airflow direction.

Regardless, you can now confidently hit the road, knowing your car windshield will no longer be a distraction.

Bonus Tips to Clear a Foggy Windshield

To keep your windshield clear on the road, a few other tactics can help.

- One tip is regularly replacing your cabin air filter. If this filter is dirty or clogged, it can reduce the effectiveness of your defrosting system and lead to foggy windows.
- It’s also important to regularly check your windows for proper seals. Any gaps or cracks can let moisture in and cause worse visibility.

By staying on top of these simple maintenance tasks, you can ensure that your windshield stays clear and you stay safe on the road.

SAFE DRIVING WITH A FOGGY WINDSHIELD

When you drive with a foggy windshield, taking specific safety measures is crucial:

- Reduce your speed and be conscious of your surroundings.
- Keep extra distance between your vehicle and others on the road. This will give you an additional buffer if you need to brake suddenly or if your visibility changes suddenly.
- Increase your awareness of the traffic conditions around you, such as vehicles in front of and behind you.

Staying alert and taking these extra safety measures can help ensure a safe and smooth drive, even in the most challenging conditions.


In this post, we explored why the windshield fogs up, how to remove fog from windshields, and additional safety measures you can take. Driving is essential, but it comes with many responsibilities. Following these steps for defogging your windshield, you’ll feel confident driving safely with better visibility.

And if you need help finding the best car insurance coverage for the best price, start by speaking to a SimplyIOA agent at 833.872.4467 or get an auto insurance quote online now.

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