Cracks that amplify greater than 3 inches more often than not require windshield replacement other than restore; seek advice from a

https://pipewiki.org/wiki/index.php/Seasonal_Changes_and_Your_Windshield:_Tips_for_Care_and_Maintenance_56032

Cracks that expand greater than 3 inches most often require windshield replacement rather then fix; check with a respectable for an evaluate.