Windshield washer fluid should still be topped off quite often to be sure most fulfilling visibility in the course of rainy stipulations—do not enable

https://iris-wiki.win/index.php/How_to_Maintain_Your_New_Windshield_After_Installation

Windshield washer fluid need to be crowned off mainly to make sure leading visibility all through wet stipulations—don't let grimy home windows cloud your vision!