How to Deal with Foggy Windows?

[MacVivian]

Solutions for foggy windows: 1. Turn on the front window defogging mode, set the fan speed to maximum, press the AC button, and adjust the temperature to the lowest setting; 2. Some car models have electric heating functions for the rear windshield and side mirrors—simply press the switch, and it will take about a minute to clear; 3. Opening the windows can increase air circulation, reduce the temperature difference inside and outside the car, and weaken the conditions for fog formation; 4. Take preventive measures in advance by evenly spraying anti-fog solution on the glass surface and wiping it clean with a dry towel; 5. Mix dish soap and water in a 1:6 ratio, pour it into a bottle, and spray and wipe the windows before driving; 6. Warm up the engine, wait for the water temperature to rise before turning on the heater, set the fan speed to maximum, and activate the front window defogging mode.

[VonPeter]

Having driven for many years, I find dealing with fogged-up windows quite simple—it's mainly caused by moisture inside the car condensing on the cold glass. The primary method is to turn on the A/C and direct cold air toward the windshield—cold air absorbs moisture quickly, clearing the fog in seconds. If you dislike the cold, warm the air first before switching. Most cars come with a defog button that automatically adjusts the airflow direction for convenience. Opening windows for ventilation also works, especially when the outside air is dry, but be mindful of driving safety to avoid distractions. For prevention, I regularly clean interior window grease to reduce fogging risks; applying anti-fog treatments is another good solution. When fogging occurs, don’t panic—slow down, pull over, and handle it safely without wiping haphazardly to avoid obstructing your view. Before parking, slightly open windows to release moisture and prevent long-term buildup. These tips, learned from daily driving, are quick, effective, and ensure a smooth, safe ride.

[Sheila]

As a parent, I'm most afraid of window fogging when driving my kids, especially in cold or rainy weather. Safety first, so I take immediate action: turn on the AC defog mode set to blow cold air on the windshield for the fastest effect without freezing the kids. If the airflow is too strong, I crack the window slightly to let fresh air in, but I'm careful not to let the baby catch a cold. Keeping a microfiber cloth in the car for quick wipes is also very handy. For prevention, I check window cleanliness before getting in the car, and on rainy days, I put umbrellas in the trunk to reduce moisture brought inside; I also open windows before parking to balance temperature and humidity. Handling such small matters properly avoids blurred vision and makes driving steadier, especially when carrying kids—no room for mistakes. Developing these habits is truly crucial.

[AryaFitz]

I encountered a fogging problem shortly after getting my new car. Here are some quick solutions: Turn on the air conditioning with cold air blowing directly at the windshield to dehumidify; or open the windows for a few seconds to balance temperature and humidity through air convection. The car's defog button is the most convenient one-touch solution. The key to prevention is keeping the interior dry and minimizing moisture buildup. If fogging affects visibility, slow down and handle it safely—don't take risks.