What is the symbol for front window defogging in a car?

3 Answers
LeJoy
07/29/25 7:44am
The symbol for front window defogging in a car is a square frame containing three upward-curved arrows arranged side by side. Here are specific details about the defogging symbol: Defogger: The defogger switch control can reduce moisture, fog, and frost on the front and rear glass surfaces, improving the driver's visibility to some extent. If the defogger is manually turned off, it needs to be pressed again before the next use. Besides using the defogging button, turning on the air conditioning can also help, but there are techniques for using cold or warm air, with direct effects. Here is additional information: Notes on car defogging: When it suddenly rains outside while driving, the temperature drops, and the windshield temperature also decreases. The water vapor inside the car condenses into fog on the windshield, obstructing the view. In such cases, turning on the air conditioning for defogging is necessary.
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JamesAnn
08/13/25 2:09am
Having driven for many years, I deeply understand the importance of the defogger symbol for safety. It is usually located in the air conditioning button area of the center console, represented by a square icon with three upward-curving wavy lines inside. Pressing it directs airflow straight to the windshield for quick defogging. Especially on rainy, foggy days or during winter when fogging occurs, blurred vision can easily lead to accidents. I've developed the habit of checking it as soon as I get in the car. Activating the defogging mode automatically increases the fan speed and combines with dehumidification for immediate results. Don’t overlook regularly cleaning the interior glass to prevent oil film buildup, which can worsen fogging. Safe driving starts with me—once during a night drive, if I hadn’t pressed this button in time, I might have rear-ended another car. Remembering the shape of this symbol can be a lifesaver.
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CamilleDella
10/05/25 2:05am
The front defroster button in our family car is quite easy to find, I use it every day when driving the kids. The icon shows a small square with several upward-curving wavy lines inside, resembling airflow blowing toward the glass. I usually give it a gentle press when parked, the fan whirs and the fog clears up. In winter when using the heater, fogging happens more easily, so I preset the temperature or crack open a window as prevention. It's typically located near the AC controls – don't confuse it with the rear defroster button as they have similar but distinct designs. Defrosting is crucial for daily commutes, clear visibility means safer driving. The kids often ask what it is, and I tell them it's like a little window magic wand.
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