If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: ; b: R1 T. q: a2 e2 [3 K7 ^% m1 |; A6 @: M
(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot $ I0 L$ h i6 C( _7 s/ i) b$ [! M7 f4 q" f
(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. 2 H) U1 E& I2 H4 i! I# ^5 }/ A# F! O# Y7 S, D
(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.