Specifications：Hign-concerned Chemical:None：Special Features:Automatic Stop Start Engine Eliminator Device Disable：Item Diameter:0inch：Item Weight:0.1kg：Item Height:0inch：Item Width:0inch：Item Length:0inch：External Testing Certification:iso9001：Model Name:For Honda HR-V HRV VEZEL：Year:2016 2017 2018 2019 2020 2021：：Origin:Mainland China：OEM NO.:Eliminator Off Device Plug Stop Canceller：Material:plastic：Item Type:Car Relays：Package Included: 1pcs product.(removed tool included)：Fitment: For Honda HR-V VEZEL 2016-2021 ：Question 1: How do i know my car "A off "Button with backlight or without? ：Answer: check your car "A off" Button carefully, like our website display photos, with backlight style, A off button have a short_：,without backlight style , only write A off, haven't any other sig n. ：Question 2 : we have 2 style type A and Type B , how do i choose? ：Answer: If your car "A Off" button without backlight,please choose Type A ; if you A Off With Backlight,Please choose Type B：Attention:：1. 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.：Insert our closer between the original car plug and the start-stop button.：About Feedback:：Your good feedback is important for us.If you are satisfied with our product and service,please give us five star positive feedback.If you are have any question with our product ,please contact us first but not open dispute.We will try to help you solve the problem.Thank you very much for your support.