Function The windshield wiper cap seals the water reservoir to prevent windshield washer fluid leakage. Its distinctive markings help you quickly locate the reservoir for maintenance. Material and durability Made of plastic, this cap is leakproof, flexible, and robust. It resists wear and tear and can withstand accidental drops. The cap offers temperature adaptability and remains intact in extreme temperature environments. The design is lightweight and wearresistant, not easily deformed during use, supporting a long service life. Easy installation Remove the old washer reservoir cap, then install the cap on the washer reservoir. Ensure a proper fit and seal to avoid leaks. Key benefits Stops fluid leaks by sealing the washer reservoir. Quick reservoir identification thanks to distinctive markings. Durable in extreme temperatures with good wear resistance. Lightweight, flexible, and dropresistant for reliable performance. Simple, tool replacement that restores proper sealing. Use scenarios Routine maintenance: a worn cap to immediately stop leaks and protect the washer system. Extreme weather conditions: cap maintains a reliable seal in hot sun or freezing temperatures, helping keep washer fluid stable. DIY or workshop use: cap's durability supports handling during replacement, maintenance, or test fits without damage to the reservoir.