If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:' a) s G! I' M+ _4 Q
5 z2 b% h" F6 `(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot* u7 T4 F; I/ L6 i, `% ~2 G
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(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., O2 u; q1 N% z4 H0 E8 } c
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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.