carbon fiber gear shift knob cover sticker head trim for audi a4 s4 2017-2019/ a5 s5 2017-2019/ q5 2017-2019/ q7 2017-2019 deften product details : one piece of gear shift knob trim cover. made with high quality abs with carbon fiber pattern finished. come with tape double sided sticker for secure installation. self adhesive, simply peel and apply to your car. installation guide : step 1: please clean the place with alcohol to make sure no dust. 2: remove the tape glue. 3: heat the tape glue by hot air gun to makes the glue on the tape more sticky. 4: stick and press for 1 min. don't wash your car within 48 hours after installing. note : please ensure that the part of your car is the same as pictures show. or please contact with us before purchase. the adhesion tape adhesion will be weaker when it is sub zero weather during the winter you could heat the place of tape with a heat gun.if no heat gun you can use hair drier instead. never lose your keys anymore