If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: f0 [6 Z, o3 z7 H' R8 p: G ( d1 e* A* f8 f4 x5 w(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot) O' K0 G( {# t& Z
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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. . p$ [7 C0 S+ L* \; X) |+ I; P 5 v6 ^* H9 M# b* R" [* V(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.