If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: 2 k- R& N9 o/ \. f- t1 c 2 y5 M. {' e, E' x6 \ k! Z(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot : A& @; t) }: y8 ^ n 0 x3 b" e3 L h3 v' 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.' d2 m8 y$ n! r1 s& h, K5 d
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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.