Popsugar Living Cars Car Hacks 19 Insanely Cool Car Hacks You Should Try Out 22 June 2018 by Tara Block View On One Page Photo 5 of 19 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Paint your windshield cracks with nail polish. To slow the cracking of your windshield while you're taking it to the repair shop, paint over the crack with clear nail polish on both sides of the glass. Previous Next Start Slideshow CarsHome LifeLife HacksDIY