How to Quickly Remove Fog from the Front Windshield in Winter?
2 Answers
Here are quick methods to deal with fog on the front windshield in winter: 1. Open a window gap: If the fog is not particularly heavy, you can consider opening a small gap on the driver's side, passenger side, or both windows. If there is heavy rain outside, it is recommended to open the window only if your car has rain guards; otherwise, avoid opening the window as rainwater may seep into the car. 2. Turn on the cold air: Adjust the fan speed appropriately and turn on the air conditioning. Some cars have a direct defogging option—you can select or turn the knob to that setting. The cold air blowing onto the glass will quickly disperse the fog, providing fast and effective results.
Having driven for decades, I've always found windshield fog in winter quite a headache. The key to quick defogging is immediate action: don't wait after getting in the car—directly turn on the AC and switch to dehumidification mode, while directing the fan towards the windshield area. If the interior is very cold, start with heating but keep the fan at low speed, gradually increasing airflow as the engine warms up. Cracking a window slightly to balance interior/exterior temperature and humidity works exceptionally well—I often open a small gap before driving off, closing it after the fog clears. Remember not to vigorously wipe with cloth unless using a new specialized defogging microfiber, as regular cloths may leave streaks that worsen visibility. Make it a habit to open windows briefly before shutting off the engine to release moisture—this significantly reduces next-day fogging. These practices have saved me considerable trouble and enhanced driving safety.
