Notice: It doesn't work if your car has no "AUTO OFF" button. For Nissan X-Trail (T32) 2013-2020 Year For NissanRogue(T32) 2013-2020 For Nissan Qashqai J11 MK2 2013-2021 For Nissan Bluebird Sylphy B17 2012-2019 Attention: This products function is Close Stop Start Engine System, your original car must have "A off" button,than can use. if your car haven't "A off"button, cann't fit for your car. Installation: Please turn off the power of the car before installation.Remove the panel with tool and connect the cable between factory socket and button socket. Setting: After installation, start the engine while stepping on brake pedal, observe for 3-6 seconds. Don't press the button. The button light will turn red itself. The default setting is that you don't have to close the stop start engine function manually every time. If you want it for a moment, press the off button to reactivate the function. Note: Please make sure it is fit your car before you purchase,if you are not sure,please contact us,thanks Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.