If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: Z3 K6 O7 x0 n% S8 [- K
5 Z+ U& w! U# g# g(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot: w1 B8 P' q* C$ T
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(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.+ n7 x4 |6 W# R0 f8 v
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(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.