Can Car Windshield Washer Fluid Be Replaced with Mineral Water?

1 Answers
LaLiam
07/30/25 1:42am
Car windshield washer fluid should not be replaced with mineral water. Windshield washer fluid is specifically designed to clean the windshield, provide anti-static properties, prevent fogging, offer lubrication, and resist freezing. Using mineral water would dilute the washer fluid, potentially causing various adverse effects on the vehicle and even shortening the lifespan of the wiper blades. Mineral water lacks lubricating properties, and prolonged use can lead to severe scratching of the windshield, increased friction on the wiper blades, resulting in skipping and unusual noises during operation. Additionally, mineral water contains various impurities that can form deposits, which may accumulate and clog the washer fluid system, ultimately reducing the service life of the reservoir.
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