Your car’s windows are almost effortless to operate — with the push of a button, you can block out heat and wind, or you can circulate fresh air throughout the interior. But when your car’s windows suddenly stop working, trying to fix them can leave you in a bind. The window regulator is commonly the problem with a stuck, stubborn, or non-functioning car window. It’s a mechanical assembly that moves the window up and down, either via an electric motor or a hand window crank. Placed inside of your car door panels, window regulators aren’t a part you can see, but they’re one that can matter significantly. If you’re in need of a new window regulator, you’ll want to check out the following top options.