Genuine Mazda Smart Key - 3 Button Used in a MAZDA6 Sedan - Year: Registered in Reiwa 2 (2020) - Model: 3DA-GJ2FP The button lights up red when pressed. Battery level is unknown. As this is outside my area of expertise, I cannot provide support for re-setting. It has not been initialized. Everything shown in the images is included. Please understand that this is a used electrical component and accept no claims and no returns. Thank you very much.