How to Use the Car Headlight Cleaning Function
2 Answers
Before using the headlight cleaning function, turn the headlight switch to the far right end. Then pull the right-side wiper lever towards you, and both the headlight cleaning and windshield cleaning will activate simultaneously. The headlight cleaning device has a water outlet located below the headlight, allowing you to clean dust and dirt from the headlight at any time. More detailed information is as follows: 1. During nighttime driving or in low-light conditions, rain and dust can reduce the illumination of the headlights by up to 90%, severely impairing the driver's visibility and posing a significant safety hazard. Ensuring adequate headlight illumination and providing clear visibility for the driver becomes a critical issue in such situations. The headlight cleaning system offers a simple and effective solution to this problem. Many countries now legally require cars to be equipped with a front headlight cleaning system. 2. There are two structural types of headlight cleaning systems: 1) Wipe/Wash System: This system is only suitable for glass lenses, as plastic lenses, despite having wear-resistant coatings, are still relatively sensitive to mechanical cleaning. This type of cleaning system can still be found in older-generation car models. 2) High-Pressure Cleaning System: The high-pressure cleaning system is increasingly recognized and can be used on both glass and plastic lenses. The cleaning effectiveness mainly depends on the distance between the nozzle and the lens, the size of the water droplets, the contact angle, the water spray speed, and the volume of water sprayed.
When I first started using my car, I was quite curious about this feature. To clean the headlights, you usually need to start the car and find the cleaning button near the steering wheel or integrated into the wiper control lever. Press the button, and the water spray system will automatically spray water onto the headlight surface, working with the wiper to remove dirt. It's best to operate this when parked or at low speeds—avoid spraying at high speeds to prevent water from splashing onto pedestrians or other vehicles. I've noticed that headlights tend to get dirty easily during rain, snow, or after driving on muddy roads. Cleaning them promptly helps maintain brightness and improves nighttime driving safety. Maintenance is also crucial. I regularly check that the spray nozzles aren’t clogged and ensure there’s enough cleaning fluid to avoid dry wiping, which could damage the lens. If the water tank is empty, I go to the repair shop to refill it. After a few tries, it becomes a habit. Beginners can refer to the car manual for more guidance.
