Avoid auto washes that use abrasive brushes on the windshield
https://research-wiki.win/index.php/The_Biggest_Problem_With_windshield_chip_repair_Spartanburg_SC,_And_How_You_Can_Fix_It
Avoid car or truck washes that use abrasive brushes on the windshield, as they'll introduce micro-scratches and degrade coatings through the years.