Features: 1.Fitment: This auto stop start engine system off device is perfect replacement for Q5 SQ5 8R 2013?2018; Replacement for A4 S4 B8 2013?2015; Replacement for A5 S5 2012?2016. 2.Practical Function: The A OFF button will automatically turn on after you restart your car, you don't have to manually turn on the stop engine function every time, if you want the auto off function work again, just press the A OFF button to reactivate it. 3.Sturdy Structure: Highly impact and wear resistant, and anti scratch, moisture proof, this engine start stop canceller device is an ideal aftermarket replacement part. 4.Installation: This cable is installed between the auto start stop switch and the vehicle wiring harness to disable the auto start stop function, just remove the central control panel of A OFF button and connect the two ends with this cable. 5.Important Note: This device does not work with the car without "A OFF" button which means the car doesn't have the automatic start stop system. Specification: Item Type: Engine Start Stop System Cancel Device_x000D_ Fitment:_x000D_ Replacement for Q5 SQ5 8R 2013-2018_x000D_ Replacement for A4 S4 B8 2013-2015_x000D_ _x000D_ Replacement for A5 S5 2012-2016