If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:1 N: T/ w9 k6 s" E: [
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(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot % n2 S: Q5 j: a* ?! [6 x! @ ; q3 S, Y8 b! A(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.# C3 @% k+ w- }9 V2 [
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(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.