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 15 of 19 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 De-ice a frozen lock. Add hand sanitizer to your key when trying to get at a frozen car lock. The alcohol on the key will melt the ice. Previous Next Start Slideshow CarsHome LifeLife HacksDIY