Car Automatic Stop Start System Off Closer Canceller Device Control Plug Cable
For Audi A4 B8 2010 2011 2012 2013 2014 2015 2016 
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
Insert our closer between the original car plug and the start-stop button.