How to Prevent Rainwater on Car Rearview Mirrors?
2 Answers
There are several main methods to prevent rainwater on car rearview mirrors: 1. Before driving in the rain, evenly apply soap on the rearview mirrors. After the soap hardens, wipe it off with a towel. This will form a wax layer on the glass surface, which has excellent water-repellent properties. 2. Use a water repellent: Spray or apply the water repellent evenly on the rearview mirrors. The repellent will form a protective film on the surface of the mirrors, which also has good hydrophobic properties, effectively preventing fogging and ensuring clear visibility. 3. Install rain guards on the rearview mirrors: These can block rainwater and prevent it from dripping onto the mirror surface. However, rain guards cannot solve the problem of fogging on the rearview mirrors.
Having driven for over a decade, I've found that keeping the mirrors super clean is the most effective way to prevent rain from affecting them. Every time I wash my car, I meticulously clean the mirror surfaces, ensuring there's not a single stain. Oil film and dust are the real culprits that make it hard to see in the rain. Nowadays, there's a rain-repellent coating that works quite well—just spray it on, and water droplets roll right off. If the mirrors get dusty, I gently wipe them with a damp cloth, making sure never to use wax-based cleaners. When the mirrors get too blurry in the rain, I slightly lower the window and adjust the mirror angle downward using the manual adjustment lever, which makes it harder for water droplets to stick. This method is especially useful for older cars without heating functions—owners should give it a try.
