Bluetooth needs to be enabled on the device and for the app (iOS & Android). Android: ECRI needs location permissions to scan for the device.If "ECRI" on the device is lit red, it is discoverable and awaiting connection.If "ECRI" on the device is lit green, the app is connected.If the device is not lit, unplug and plug back in.The device powers off after 30 seconds without connection. This prevents excess battery drain and provides a layer of security to prevent unintended access to your vehicle.