What to do if there is an oil film inside the car's front windshield?
3 Answers
Using an eraser to rub the surface of the car glass can also remove the oil film, but this method is relatively troublesome and time-consuming. When cleaning, it is best to use a towel or sponge to scrub, as this allows the particles in the toothpaste to better grind the glass surface and remove the oil film.
I've been driving for ten years, and the oily film on the inside of the windshield is a common annoyance that causes blurry vision. I've dealt with it multiple times myself by first spraying a mixture of warm water and a few drops of dish soap, then gently wiping it with a clean microfiber cloth to remove the oily film. Avoid using paper or regular cloths, as they can leave streaks or scratch the glass. To prevent it, be mindful of in-car habits: for example, minimize eating greasy food or smoking in the car—tobacco residue is the easiest to accumulate into a film. Also, regularly clean the air conditioning vents, as dust mixed with condensation can worsen the problem. Keeping small green plants or using an air purifier in the car can also reduce sources of grease. Safety-wise, it's crucial—if the oily film isn’t removed, headlights will scatter and glare at night, and rain-induced fogging on the glass makes it even harder to see. I once almost rear-ended someone because of this. I recommend wiping the interior once a month to maintain clear visibility and drive with peace of mind.
As a safety-conscious driver, the oil film on the inside of the windshield must never be overlooked, as it significantly impairs visibility under strong light and increases risks. I typically use a specialized glass cleaner sprayed onto a cloth for wiping, ensuring gentle and even motions to prevent scratches and avoiding chemical residue that might irritate the skin. After cleaning, the effect is much better, with no fogging interference during rainy conditions. Prevention is key: regularly open windows for ventilation to reduce humidity and cooking fumes buildup inside the car; avoid using oily sprays when cleaning the interior, as their evaporation can easily form a film. Adding a small air filter or regularly replacing the cabin air filter is also practical, preventing grease particles from adhering. In short, this issue may seem minor but has major implications—neglecting cleaning can lead to fatigue, distraction, and accidents when driving on highways at night. Developing a habit of regular maintenance is an added safeguard for your safety.
