If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:8 X7 O8 k5 [) \4 P: j
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(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot ; Q) j# B5 ?* p' Z7 j" h. @8 M. ^- d1 f0 a w2 r8 R
(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 c7 }) O5 P2 ` / ?4 Q! S6 C% c7 M+ T* c1 [(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.