21. Bluetooth not working or no signal:
1. Check whether the rear sight is connected, this is the signal line of bluetooth and wifi (rear camera input)
2. If there is a connection, clear the mobile phone Bluetooth list, reset the machine, and then reconnect (operation steps: turn on the mobile phone, search with the mobile phone Bluetooth, find CAR-MP5, and click connect.)
3. Change other phone connections. Check whether the phone can search for the machine code. (Operation steps: turn on the mobile phone, search with the mobile phone Bluetooth, find the CAR-MP5, and click connect.) PIN code: 0000
22. About Volkswagen - 7" & 9" / Fiat Punto / Fiat 500 / Fiat Fiorino / Fiat Bravo / Fiat Ducato / Opel 7" / Audi 7"
1). Unable to turn on: Please check whether the CANBUS and its serial cable are properly connected, and ensure that the CANBUS connector of the power cable is not connected to the RCA interface of the car stereo.
2). Unable to shut down: please check if the black connector cable has been disconnected.
3). Bluetooth cannot connect, or cannot enter CarPlay or Android Auto: Please ensure that the reverse gear conversion cable is properly connected, unpair all devices that have completed Bluetooth pairing, then re-pair and connect with the car stereo via Bluetooth.