If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: ) W: T6 H' ]! m. b4 I: f / O% Y; i. b, G* w* K. v(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot: S* I8 c0 s3 e; w9 W+ p3 \$ z
7 f5 P0 w9 @* t! z(2) To buy a round or square think-glass-disk with diameter or side length of 1 inch. If you can't find it, you can go 99 cents stores or dollartree to buy a large-clear-cloth-button at similar size./ V' t: r+ l$ \$ _" W7 B. }
& A& N; q/ Y. v$ f! `8 w, Y0 L(3) Prepare Epoxy well, spread the paste to one side of the glass or button, attach it to the crack-upper-end from inside of windshield. Wait for 24 hrs. It'll be as solid as a rock and permanently stop the crack extension.