If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:8 A A6 ~; U/ y9 |9 b
1 F9 j* O# L( {6 i$ M(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot3 i5 b/ s' y; y' F( L
: Z9 f8 C$ ^2 D(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. % G1 a) q9 g s+ v( e3 W , E! ]0 J" W3 D& y8 @9 V1 |/ F(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.