Do Small Yellow Spots on Car Paint Need to Be Treated?
3 Answers
Yes, they need to be treated. Below is relevant information on dealing with small yellow spots on car paint: Yellow spots caused by dust and impurities: When a car is driven in areas with heavy dust, dust and impurities can accumulate on white paint surfaces. Some impurities are stubborn and cannot be removed with regular cleaning, such as asphalt and bird droppings. These sticky impurities require specialized cleaning agents for soaking, stain removal, and rinsing to completely eliminate them. Yellow spots caused by paint aging: If the car paint surface is exposed to prolonged sunlight and rain without timely care, the paint can easily age and develop spots. Some cars parked for extended periods or soaked in acid rain may even suffer severe corrosion. In such cases, the paint surface needs pathological treatment, which involves using polishing wax to grind and polish the affected paint surface.
When I first bought my car, I also noticed small yellow spots on the paint. At the time, I thought it was tree resin and didn’t pay much attention. A friend who owns an auto repair shop specifically warned me that these yellow spots are mostly caused by oxidized brake dust or industrial iron particles, which can corrode the paint if left untreated for a long time. From my own experience, I first use a clay bar with foam water to gently rub in circles. For stubborn spots, I spray an iron remover, wait three minutes until it turns purple, and then rinse it off. Finally, it’s essential to apply a ceramic coating wax, otherwise the spots will reappear within two months. Remember to dry the car promptly after washing to avoid water spots and oxidation, especially during the rainy season. Never use your nails or hard objects to scrape the spots—I learned this the hard way when I left scratches on the hood.
My home is close to a steel mill, and my car's paint often develops dense yellow spots. I noticed that after each rain, these rust spots deepen, like rusty needle tips piercing the paint. I tried using toothpaste for polishing, but the effect was poor. Later, I learned from a car forum to use a specialized rust remover spray. The key is to spray the solution on the dry car body and wait for the oxidation reaction, watching for purple liquid to flow down before rinsing. After treatment, it's recommended to apply protective wax to form a barrier layer. White cars, in particular, need monthly maintenance. Now, buying rust remover online costs just over 30 yuan, saving the 200 yuan expense of going to a beauty shop—it's a great deal.
