If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: ( s! ~7 D% D) y8 O2 h/ R( U1 V* _4 s 2 a, e) E5 A# t7 K) ]' }(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot3 \8 i9 g$ I! X0 W
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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.; }4 y2 ?5 }( x/ S5 F
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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.