Using these Lamin - X fog light covers is easy. First, clean your fog lights thoroughly to ensure there's no dirt or dust. Then, carefully peel off the backing of the cover and align it with your fog light. Smooth out any air bubbles as you apply it. As for maintenance, just wash it like you would the rest of your car during a regular car wash. It's car - wash safe, so no need to worry. Avoid using harsh chemicals on the covers as this could damage the vinyl. And when you're on the road, these covers will do a great job protecting your fog lights from rocks and debris, so you can drive with peace of mind.