How to Stop Car Windows from Fogging Up in Winter

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If you live in a cold climate, you know that one of the worst things about coldness is the foggy windows of the vehicle. It can be dangerous to get into a cold car and be unable to see out your windows while driving. That’s why it is important to know how to stop car windows from fogging up in winter.

When the weather gets colder, the inside of your car gets colder, too. This leads to foggy car windows and traffic accidents. Luckily, there are a few things you can do to prevent your windows from fogging up.

Today, you will discover the best ways to keep your car windows from fogging up in the winter. Let’s check it out!

How to Stop Car Windows from Fogging Up in Winter

How to Stop Car Windows from Fogging Up in Winter

Tip 1: How to Stop Car Windows from Fogging Up in Winter with Anti-Fog Spray

The problem with fogged-up windows can easily be solved by applying an anti-fogging spray. These useful sprays are intended to keep window shields from fogging up, so when you scrape the snow or ice away in winter, the fog will not appear anymore.

If you are a glasses-wearer, chances are you’ve already used them. They can be bought online or at local mechanical shops. Using the Rain-X Anti-Fog Combo to treat your car windows is a safe choice.

All you need to do is spray your car windows now and then again. It’s that simple! Be sure to cover the entire area of your windshields.

For wiping off the excess spray solution, you can use old clean T-Shirts, micro-fiber cloths, or paper towels. Use circular motions. It is advisable to re-apply it once a month.

Tip 2: Keep Your Car Windows Clean

This is probably the first thing you’ll do to prevent fogged-up windows. They need to be cleaned properly so that there’s no dirt or residue. However, this is easier said than done, especially while driving on a chilly winter day in a snowstorm.

You’ll have to clean your windshield frequently to remove dirt and keep it from fogging up. The roads are full of dirt which can easily get on your windshield while you’re driving. Dirt tends to trap heat and moisture that sticks to car windows.

Thus, it creates a breeding ground for fog. The dirty color of fog build-ups makes it difficult to look through the car windshield. So, how do you clean them during the winter?

For this job, you will need a cloth or some paper towels and a good glass cleaner. Follow these simple steps:

Step 1: Spray your glass cleaner generously on the windows.
Step 2: Grab a clean cloth and start with the corners first.
Step 3: Then go up and down as well as from left to right.
Step 4: Repeat the process if needed.

Tip 3: Stop Windows from Fogging Up with Shaving Cream

Instead of Rain-X products, you may use shaving cream. It can be a good alternative in the winter. Simply rub it on the glass to stop your car windows from steaming up.

So if you have unused shaving cream, utilize it for this purpose. Before spreading it on the windows, make sure they are completely dry when you leave your car. That’s because water residue can freeze on cold days and make it harder to get rid of the fog.

Spread a thin layer of shaving cream onto windows with paper towels. Don’t overdo the things, as you will not be able to see when driving. A small amount of shaving cream will be enough. It’s effective as glass defoggers because it has almost the same ingredients.

Tip 4: Keep the Fog at Bay Using Kitty Litter

Do you have a cat? Borrow her kitty litter to stop windows from fogging up. While this easy fix may sound bizarre, it can do the trick.

Place kitty litter into a few old socks to the ankle area. Wear protective mittens. Once you have tied off your socks, leave them overnight. Put one or two litter-filled socks on the dashboard of your automobile.

One may ask: How kitty litter can help with steamy windows. Just like silica dehumidifiers, it can do a terrific job of soaking up steam during the cold weather. By absorbing the moisture, litter can keep it trapped and decrease fog in cars.

Tip 5: Keep Any Moisture and Liquid Out of the Car

One of the aspects of the winter months is that we are often wet. When entering the shoes and underwear, snow tends to melt quickly and increase the humidity in vehicles. This results in steamy windows due to condensation.

With that being said, be sure to clean your jacket and shoes before getting into your car to prevent fog from building on the windows. Get in the habit of shaking snow off your boots and coat. This can help eliminate some humidity.

Reduce the humidity by taking off wet clothing such as your scarf, winter gloves, wool hat, and socks. Put them in the trunk of your car. Drying your outerwear is also recommended before starting to drive.

Aside from that, any liquid should be removed from the car because it can create foggy windows by increasing the amount of humidity. Avoid leaving any drinks, especially the hot ones, in your automobile during the winter. Don’t drink coffee, hot chocolate, or tea while driving.

Tip 6: Don’t Recirculate the Air in Your Car

Does your windshield fog up excessively? Check your heating system to see whether the recirculate button is pressed. This might be the cause of the foggy windows.

Instead of recirculating the air, set your air conditioner to bring in the fresh air in order to stop the moisture from building up. The fresh air is cold and dry in the winter, which helps in keeping the interior glass clear.

You can also set the hot air to blow on the window. If you are tempted to use the hot air on the passenger seats, instead let the air circulate from the windows. The hot air on the window removes the condensation of the car windows. It can build up fast if the air is blowing on passengers.

The heat is going to overpower air conditioning, and as a result, you will have a warm vehicle and clear windows.

FAQs About How to Stop Car Windows from Fogging Up in Winter

Why Do Car Windows Fog Up?

Windows in cars fog up for a lot of reasons, but the most common one is that the air is being blown into the car while it is running. This air is warm and humid, which is why the windows fog up if they are cold. When the humid air gets to the car windows, the moisture will turn to condensation and make them get foggy.

How to Prevent Car Windows From Fogging?

From using anti-fog products to using the correct heat settings in the winter, there are different ways to stop them from getting foggy. You can also use a towel for a quick emergency wipe down. Avoid bringing wet things into your automobile to keep the windows from fogging.


Treating your car windows with anti-fogging spray is an easy method for how to stop car windows from fogging up in winter.

Thank you for reading, we hope that you’ve found this blog post to be helpful. If you have thoughts about stopping your vehicle windows from fogging up, please leave a comment below.

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  1. One thing you don’t mention is making sure (particularly on an older vehicle) that all the small passageways which carry water down the (usually hidden) interior channels by the doors, hood, and hatchback (if applicable) are clean and free of debris. Also make sure all the rubber deflectors and seals in the same area are clean and haven’t come loose. You essentially need to deep clean (detail) all these areas. Also make sure your carpets (particularly by the front seats) are not wet from water leaking into the interior elsewhere. I have an old Toyota Echo which was fogging badly. Nothing seemed to work until I did a detailed cleaning in these areas rinsing out the passage ways in the process. Viola! Absolutely no more fogging! Bye the bye because it was not cost effective to repair I also disconnected the air conditioning system which had failed beyond repair. Guess what? The windows still clear just like they did years ago before air conditioning was incorporated into defogging systems in order to dry the air being blown onto the windows.


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