Easy to install, Adhesive tape is attached at the back. Easy to install, Please keep the surface clean and dry. Find the exact location where to set it before removing the tape ; -Clean the installation areas surface, no sand/dust; -Remove the tape and place the product at the exact position, press it to make a good adhesive; -No wash and move within 48 hours; -Better to use a lighter or a hair dryer to provide a slight heat for the 3M tape after removing, it will improve its stickiness.In case it fall off for some car models, just add some tape and put the cover back on, then they will work perfectly. It can not be changed once the order is completed. Your recognition will make us more confident to develop business and serve you better. Here you will get the best product & customer service. Our shop specializes in all kinds of Car Parts decorations, trim For BMW, Benz, Land rover, Toyota tacoma, subaru toyota, toyota Supra.