If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:5 p, p- t7 W% q7 G% c3 h9 ^
& Y: Z! y1 t/ [+ p9 J/ o E; G(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot 6 T0 \4 _& d7 b% y. W5 s! N/ g+ v$ h k2 m: u
(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. ; `* s# T w2 a4 H " b5 Y/ ]: z; W1 {(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.