Windshield Wiper Fluid vs. Tap Water

Windshield wiper fluid is very important for a number of different reasons. Many people believe that you can forego the few extra bucks and just use water instead, however, this might not be the smartest idea. Here are a few reasons why windshield wiper fluid is very important and why water isn't a proper substitute.

  • Windshield wiper fluid contains detergents that help remove much more than just rain or snow from your windshield, such as bugs and road grime.
  • Windshield wiper fluid, even when not being used, is crucial to have in your reservoir as it serves as a lubricant for other parts of the windshield wiper system. The fluid pump can corrode if windshield wiper fluid is not in the reservoir consistently.
  • Water will freeze at temperatures below 32 degrees whereas windshield wiper fluid will not. In fact, there are some brands that work even in the negative temp range. Some brands can even help de-ice your windshield!

These are a few of the reasons why we here at the Allegheny Toyota service center find it to be important to always keep windshield wiper fluid in your reservoir and to never substitute it with water.

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