Should the Engine Be Turned Off When Adding Windshield Washer Fluid?

[DanielLynn]

Adding windshield washer fluid does not require turning off the engine, especially during extremely cold seasons like winter. If the engine is turned off and the hood is opened in cold conditions, the windshield washer fluid pipe may freeze and break. Here are some precautions when adding windshield washer fluid: 1. Dilution of windshield washer fluid: Generally, windshield washer fluid does not need to be diluted, but concentrated types require dilution, as do solid windshield washer fluids. 2. Avoid using tap water: Tap water contains many impurities, which can accumulate in rubber pipes over time, affecting normal spraying. Long-term use may increase friction between the windshield and wipers, causing scratches on the glass. Plain water can only remove dust superficially and lacks the ability to thoroughly clean dirt and insect residue on the windshield.