What to Do When There Is Fog on the Outside of the Car?
2 Answers
Methods to deal with fog on the outside of the car include the following: 1. Use the car's built-in air conditioning system: The most common practice is to turn on the fan and activate the cooling function. The cold air will blow toward the windshield, quickly clearing the fog. 2. Convection of hot and cold air through the windows: If the fog is not heavy and the outside temperature is not too cold, you can slightly open the side windows to allow air convection inside and outside the car. This will gradually equalize the temperature inside and outside, causing the fog to dissipate. 3. Use specialized anti-fog products: These products are available at automotive stores or online. Before each use, spray them evenly on the windows and wipe them clean to form a transparent protective film on the glass, preventing fog formation. One application can last from a few days to half a month, but the downside is the higher cost. 4. Use dish soap with a dry cloth: Mix dish soap with water (ratio of 1:6), apply it evenly on the car windows with a sponge, and wipe it clean with a dry towel after it dries, leaving no watermarks. This method can generally keep the windows fog-free for up to 20 hours.
I've been driving for over a decade, and the most annoying thing in winter is fog forming on the outside of the windshield. Don't immediately turn on the hot air at this time—it'll only make the fog worse! First, use the wipers to clear the moisture, and the effect is immediate. If the glass gets too cold from parking under trees, moving to a dry spot helps a lot. I always keep a defogging spray handy—spending half a minute spraying the outside of the glass before driving usually keeps it clear for the whole commute. Another tip: avoid directing the AC vents straight at the glass; adjusting the vent angles works better. Lastly, never wipe cold glass with a wet cloth, as it can freeze and become more dangerous—just gently scrape off the droplets with a dry cloth.
