We’ve all once faced it. You’re driving along, probably through some sort of extreme of weather and then — bang — out of nowhere, your windows start to fog up from changes in temperatures and moistness levels and you can no longer see.
While foggy car windows are not the conclusion of the world, it creates a dangerous situation and can completely inhibit your exterior visibility while driving. There are numerous reasons as to why car windows and windshields might fog up and again, it’s all dependent on the weather conditions.
Why does it happen?
For example, if you’re driving through an icy, wintry climate, windows fogging up from the inside might occur quite frequently as the cold ambient temperatures create the perfect breeding grounds for condensation while occupiers keep warm on the inside. The outcome heats up the moisture inside the passenger cell along with the air. When that intense moisture hits the cold glass, condensation, or “fogging” occurs.
On the other hand, if you’re driving through humid, summery conditions, passengers might have the air conditioning engaged to keep the interior cool. This in the long run also cools the vehicle’s windows from the inside, causing them to fog up on the outside. But happily, this can easily be remedied through the use of windshield wipers or by simply rolling the windows down, and then back up.
If your windows fog up from the inside, don’t dread! Here are a few straightforward and easy steps that can help you defog your windows securely and while on the go.
At first instinct, it might seem like a good idea to simply wipe the condensation off your car windows with your bare hands as a temporary fix. While you can do that as a provisional measure just to be able to see again, particularly in front of you on the windshield, we actually don’t commend you do that.
Rubbing a foggy window with your bare hands can actually worsen the situation by smearing whatever oils and contaminants caught on your hands — such as skin oils and other dirt. When the condensation returns, it will be tougher to see than prior to wiping it with your hand.
So what do we commend you do instead?
Switch on your air conditioning
Let it be in the dead of winter when it’s cold outside or in the heat of the summer, your car’s air conditioner does more than just cool the interior air. Not only does it act as a way of cooling the passenger cabin, but it doubles as a dehumidifier. On most new cars, interior HVAC system with an “automatic” function usually keeps the AC compressor on by default for the most optimal interior comfort. That said, just enable the window “defroster” mode!
If you don’t have instinctive climate control, make sure the AC compressor is engaged by pressing the button or flicking the switch on your center console with “AC” labeled on it until it’s indicated as on. The “defroster” mode sets the blower fan to its max setting, vents activate to channel the airflow to the outlets on the dashboard, aimed in the direction of your windshield. In most cars with automatic climate control, the AC compressor automatically kicks in in this defroster mode. In cars with manual climate control, you often have to double-check that the AC compressor is on.
As long as your car’s HVAC system and AC compressor are functioning, your windows should defog themselves in no time and on the go, with the help of the climate control system. You do not need to pull over and give all your windows a quick wipe-down.
What to do if your car’s AC is out of order
Have an older car or drive one with an incapacitated AC compressor? No worries. We totally understand since AC system repairs can get costly real fast. You can still be at the disposal of the HVAC system and heating to clear your windows in the winter. Nonetheless, if you’re driving on a hot and humid day in the summer, this option sadly won’t work, particularly if there’s no cool, dry air available from a broken AC compressor, which also prevents the evaporator from working.
That said, we praise keeping a roll of paper towels, napkins, or a set of clean rags inside your car and within easy reach. That way, you can evade using your dirty, oily hands on your windscreen and windows when wiping off condensation.
If you do need to exert some physical and manual labor to clear up your windows, it’s best to pull over on the side of the road to avoid any accidents.
And the best way to keep your windows from fogging up…?
Aside from just keeping the AC compressor running whenever using your car’s HVAC system to keep the interior air dry, always keep your windows extra clean. You can use a general window cleaner, such as Windex. Nevertheless if not wiped away properly, Windex can leave behind scum, which also causes smearing and streaks when windows fog up, making it even more difficult to clean and see-through.
That said, we suggest using a dedicated car window cleaner. They’re specially framed to prevent streaks and windows from fogging from leaving a minimal residue. Those can easily be picked up at Autokartz. If you want to take an extra step, you can also delight your windows with a product like Rain-X glass cleaner and water repellent. This leaves behind a clear, thin film on your glass, avoiding condensation from forming.
And that’s it! Fogging windows is a very frequent occurrence and thus hopefully, these quick tips should help you defog your windows in a safe manner with some extra advice on how to prevent it from happening while on the road. All related accessories are available on Autokartz.com