If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: 3 \ u+ F( Q" Z; C7 ]$ ?9 ?3 m/ u' x$ a
(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot ) c; Q# u3 T0 A1 ^ 8 x2 J% G ]2 b8 r& 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. & M* ]) c6 p6 ?. k6 I" @. x# ?3 l6 g% {
(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.