How to Remove Stubborn Water Stains on Black Car Paint?

[MadelynLynn]

The solutions for stubborn water stains on black car paint are: 1. Use detergent or windshield washer fluid to clean the area, rinse with clean water, and dry with a cloth; 2. After washing and drying the car, apply wax. Car paint refers to the coating on the car's surface, which involves applying a thin film to protect the paint's gloss from fading and to provide a physical protective layer. Methods to maintain car paint include: 1. Promptly remove dust from the car body; 2. Rinse off rain stains with clean water as soon as possible after rain to prevent paint damage; 3. Avoid washing the car under direct sunlight or high temperatures; 4. Use clean, soft cloths or sponges for washing to prevent mixing in metal shavings and sand particles.