If you want to save money and the crack doesn't bother you, you can do the following to stop the cracking extension: . L7 T: U/ |3 H$ u. o% R( X7 k% Q& p( [; K% T# S' {
(1) Buy a set-tube Epoxy (come with twin-tube to mix) at auto parts store or homedepot$ l/ u$ s9 b9 f
; V! R4 E) o$ x6 q(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. 6 \4 { m* `1 o3 M9 J1 U7 L g. ]) T1 G' K2 Y, Z0 J(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.