The job of the wiper blades is to remove water and dirt from the windshield properly at all speeds and in all weather conditions - rain, snow, muddy roads. Considering the fact that approximately 20% of all road accidents are related to lack of visibility, it also becomes clear that windshield wipers must be seen as safety components.
It's important to check wiper blades twice a year and change them at least once a year. This applies even if the wiper blades haven't had much use since the aging of the rubber affects the wiping performance. As the rubber ages, it becomes harder, resulting in deteriorating wiping performance. Lines of water on the windshield, vibrations, noise, smears, and inability to remove dirt properly can compromise visibility and, consequently, driving safety. The wiper blades not only wear as a result of usage on wet, icy or dry surfaces but also as a result of being exposed to the UV radiation of sunlight.
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