What are the techniques for removing black spots on white cars?

[VanLevi]

White car black spot removal techniques are as follows: 1. Asphalt: If the black spots are asphalt adhering to the car paint, they can be cleaned with tar remover. Remember to wear gloves when using tar remover. 2. Bird droppings and other impurities: If you often park under trees, your car will inevitably be attacked by bird droppings or tree sap. If the black spots are substances like bird droppings, you can soak them with car wash liquid or glass cleaner, and they can be easily removed after softening. 3. Iron powder: If the black spots on the white car paint are dense iron powder, none of the above cleaners can remove them. Only special stain removal clay or stain removal cloth can be used to slowly grind them off after washing the car body.

[SanAlejandro]

My white car always gets covered in black spots, like tar or iron oxide stains, which takes a lot of effort to remove. The most straightforward method is to give the car a thorough wash first, spraying it with a neutral car shampoo and then gently wiping the black spot areas with a soft cloth. If the spots are stubborn, spray some specialized stain remover, let it sit for a few minutes, and then wipe it off. I've tried using automotive clay bars by slowly gliding them over the surface, and the results are quite impressive, but be careful not to press too hard to avoid scratching the paint. For daily maintenance, it's recommended to regularly apply wax to protect the coating, which can reduce adhesion. When dealing with the spots, it's best to choose a cloudy day to prevent the solvent from evaporating too quickly and leaving marks. I've found this method to be both cost-effective and reassuring.

[GiselleRose]

Last time, my white car's hood was stained with large black spots, and I was too lazy to go to the car wash. So, I grabbed some baking soda from the kitchen, mixed it with water to form a paste, applied it to the spots for about ten minutes, then gently scrubbed with a soft sponge and rinsed with water. Household vinegar also works well—just drip it onto a paper towel, cover the black spots to soften the dirt, and then wipe clean. Remember to wear gloves to avoid irritation. Adding a bit of olive oil can lubricate and prevent friction damage to the paint. I often use these DIY methods—they're simple, quick, and help prevent the spots from worsening. If the black spots are tree sap, spraying them with a freeze spray and waiting for them to harden before scraping them off works surprisingly well.

[VonLola]

Those black spots on white cars are mostly road tar or industrial dust. Personally, I prefer using professional cleaning wax to remove them. Apply a pea-sized amount on a cloth, rub in circular motions on the affected area, and gently wipe clean after two to three minutes. Chemical cleaners are more efficient, but choose pH-neutral products to avoid damaging the primer. Ensure the surface is dry and work in a well-ventilated area. If the spots spread, try masking the area with painter's tape before considering a full door repaint. Regular maintenance with wax is key to preserving the car's finish.