What is the Real Purpose of a Car Sunroof?

1 Answers
DeEvelyn
07/30/25 3:24am
Car sunroofs serve several functions including rapid cooling, defogging, and quick air exchange. Additional details are as follows: 1. Rapid Cooling: If your car is parked under direct sunlight, especially in summer, the interior temperature can easily exceed 60℃. Many drivers instinctively turn on the air conditioning upon entering the car. However, the more effective approach is to first open the windows and sunroof while driving, which quickly draws out the hot air and achieves cooling. This method cools the car about three times faster than using the air conditioning alone and also saves fuel. 2. Defogging: During seasons with significant temperature variations, if the side windows are closed while driving, the windshield is prone to fogging up. Opening the sunroof for a few minutes can quickly eliminate the fog. 3. Quick Air Exchange: Opening the sunroof while driving rapidly increases air circulation inside the car, thereby improving ventilation and air exchange within the cabin.
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