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 6 of 19 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Look at the gas gauge to figure out which side to fill your gas. If you're driving a new car or a rental, there is usually an arrow on the gas gauge that will point to the side of the car the gas tank is on. Previous Next Start Slideshow CarsHome LifeLife HacksDIY