Fit For Mercedes-Benz GLA X156 GLA45 AMG 2013-2018 ① Clean the place where you need to paste and then wipe the water with towel or tissues. It area should not have oil, water, wax etc. ② Determine the installation location and then make comparison of the product and installation location. If the product doesn’t fit your vehicle, please contact us immediately and DO NOT INSTALL. ③ When tearing off the double-sided adhesive of cover trim, you can’t touch the double sided paste with your hand. ④ In order to achieve better effect, if the temperature is below 20 degrees, we suggest heating double sided adhesive with hair dryer or lighter .(Do not heat over 40 degrees). ⑤ Align position and then paste. The paste effect depends on paste conditions and correct installation. ⑥ 20-30 seconds or more when pasting and don’t dip the item into water within 48 hours.