If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension:0 f! Z; q( U/ x+ X
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(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot 3 |/ l2 G/ C. `, l6 u1 t2 }( C0 g1 t' n6 p
(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." }* S0 f$ B+ }
" S9 W8 y* p% v$ T; [6 L8 {(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.