Certain windshields come with built-in sensors for rain detection that automatically activate wipers when raindrops are
https://wiki-neon.win/index.php/Common_Causes_of_Windshield_Damage_and_How_to_Avoid_Them_54135
Certain windshields come with built-in sensors for rain detection that automatically activate wipers when raindrops are sensed on the glass surface.