Using these Morimoto XB LED fog lights is a breeze. First, make sure your vehicle is turned off. Then, use the plug - n - play connection kit to install the fog lights. The kit makes it easy to connect the lights to your vehicle's electrical system. As for the optional Lamin - X Yellow Film Kit, you can install it if you want a different light color. Just note that the fog light film is sold separately. When it comes to maintenance, these lights are pretty low - maintenance. Since they are IP67 waterproof, they can handle different weather conditions. But it's still a good idea to clean them regularly with a soft cloth to keep them looking great. If you have any problems, remember you have a 10 - year warranty to back you up.