If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: ~' w2 G7 c. \7 X4 l, A8 e; l2 U0 f1 z9 k& o2 T
(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot3 N% |- i" u% p6 S/ }6 H' C. j8 b
' m+ g, y" {! l% l. X- m(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. $ [. _ C% \; o( ]% V) N8 L8 c4 X2 S# l3 c" ~" N5 s% h
(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.