Can I Use Tap Water for Car Wiper Fluid?

1 Answers
VanRowan
07/30/25 8:31am
Car wiper fluid should not be filled with tap water. Below are the reasons why tap water is unsuitable for car wiper fluid and the correct method for refilling: 1. Tap water contains many impurities that can easily clog the wiper nozzles. Additionally, tap water lacks cleaning properties and cannot effectively remove common windshield contaminants such as insect residue, bird droppings, or grease. Wiper fluid, on the other hand, can quickly eliminate stubborn stains, oil marks, and rain residue from the windshield while forming a protective layer to prevent dust and grease buildup. This ensures smoother and quieter wiper operation, keeping the windshield clean and comfortable while maintaining clear driving visibility. It also gently protects the wiper blades. 2. To refill the wiper fluid, first open the engine hood by pulling the support rod upward, then use the rod to prop it open. Locate the wiper fluid filler inlet under the hood, which is usually marked with a corresponding symbol. Once identified, pour the wiper fluid into the designated filler opening.
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