Can't find the MEX-BT3600U with the Bluetooth device.
Please confirm pairing waiting status on MEX-BT3600U. Bluetooth Icon displayed on user's MEX-BT3600U should blink on and off. (Please refer also to how to pair.
In case that MEX-BT3600U is not in pairing waiting mode, it can not be found by user's external Bluetooth device.