What are the yellow spots that fall off the car body every day?

[SanTimothy]

The yellow substance that falls off the car body every day is insect excrement. Rinse with clean water: Before it hardens, you can wet it with clean water and rinse it off, then use a towel with cleaning solution to wash it. Clean with acidic solution: You can use an acidic solution for cleaning, such as common white vinegar. White vinegar is an acidic liquid that can effectively dissolve cement. Pour white vinegar onto the cement attached to the car, wait a few minutes for the cement to soften, and then it will be easy to clean. Generally, multiple cleanings are needed, and you should be careful during the process to avoid damaging the car paint. Use a special cleaner: Apply the special cleaner to the yellow spots and let it soak for a while, then wipe it clean with a cloth.