AW/BZ 2017+ The items may vary from our images depending on different car models, but the functionality remains the same. Colour: black Material: plastic Installation: Remove the panel using a tool and connect the cable between the factory socket and button socket. Setting: After installation, start the engine while pressing the brake pedal, and observe for 3-6 seconds without pressing the button. The button light will turn red automatically. The default setting allows you not to manually disable the stop-start engine function each time. If you wish to disable it temporarily, press the off button to reactivate the function. Stop Canceller Automatic Stop Start Engine System Off Note: If you are not technically skilled, please do not purchase this product. Installation guide not included; we strongly recommend professional installation. Please verify as much as possible to ensure the item meets your needs. Due to variations in product batches, the appearance may differ, which does not affect functionality. Package Contents: 1 * Automatic Stop Start Engine System Off Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The allowed measurement error is +/- 1-3cm.