If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:) I3 o& a: P9 `0 V" W; i' q
" z; Z8 u2 s5 }! T% Y1 H7 E- R(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot/ v& N$ J' [0 o. v/ t) b. D
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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. ! E% [% _- W& h ' t; j0 [3 d9 L4 `/ E(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.