Install Instruction: 1.Clean the car surface with alcohol,make sure the surface is clean. 2.Determine the installation location, if the product doesn't fit to your car,please contact us and don't install. 3.Tear off the double-sided tape. 4.You'd better use hair dryer heat the tape before stick,it will help stick. 5. Stick and press. Attention: do not wash your car within 2 days after install.