What is the purpose of a car sunroof?

[Lucy]

The functions of a car sunroof: 1. After a car has been sealed for a period of time, the air inside the cabin contains higher levels of harmful chemicals such as benzene and formaldehyde. Opening the sunroof overnight utilizes its superior negative-pressure ventilation principle to quickly expel these harmful gases from the car. 2. During traffic jams, when all vehicles are stationary, car exhaust fumes disperse into the surrounding air. Opening the sunroof and closing the side windows allows the polluted air inside the car to be quickly expelled. 3. Using the sunroof to defog is a quick and effective method, especially during the summer and autumn seasons when there is more rain and higher humidity. Simply opening the sunroof to its rear-tilt ventilation position can easily eliminate fog on the front windshield, ensuring driving safety. Car sunroofs can be broadly categorized into: sliding-out, built-in, built-in flip-up, panoramic, and curtain-style.