Can Tap Water Replace Windshield Washer Fluid in Summer?

[DelMolly]

Tap water cannot replace windshield washer fluid in summer as the scale from tap water can clog the washer nozzles. The method for adding windshield washer fluid is: 1. Open the hood and locate the windshield washer fluid filler port; 2. Remove the cap and pour the windshield washer fluid into the reservoir; 3. Observe the fluid level until it reaches the marked line. The functions of windshield washer fluid include: 1. Cleaning performance; 2. Antifreeze performance, as the presence of alcohol and ethylene glycol significantly lowers the freezing point of the liquid; 3. Anti-fog performance, forming a monomolecular protective layer on the surface to prevent fog droplets and ensure clear visibility through the windshield; 4. Lubrication performance, with ethylene glycol providing viscosity to reduce friction between the wipers and the glass, preventing scratches.