For Lexus IS NX NX200t NX300h Series 2015-2020 Please note: Your car must have a tire pressure sensor in order to use our product, otherwise the product cannot be used, thank you Please make sure it is fit your car before you purchase,if you are not sure,please contact us,thanks Entering calibration menu. 1. Leave the car in park mode , start it and select tire presure monitor menu. Stop the car pressing the startop button. Wait 5 seconds and then start the car normally ( press the brake + start button ). Wait until pressure menu is visible , then repeat step 1 3-5 times until instead of seeing tire pressures you see - - - displayed for each wheel. 2. One of the wheel positions will be highlighted in orange. Deflate the wheel until the pressure is read on the display ( tire pressure should be decreased with at least .2 bar ) . Be sure to wait several seconds to see wether the tire pressure is decreased on the display , sensors do not send pressure instantly. If nothing happens , you should deflate the wheel further. If you deflated enough , another wheel will be highlighted . Continue until all wheel pressures are displayed . Enjoy your calibrated display. If your car is before 2014 , please check whether your device is C7 (as shown in the figure). If it is, please do not buy it. All cars after 2015 are 100% working.