After changing to a new phone, the Bluetooth key is not working. What should I do?

After recharging the battery and reinstalling it, the loudspeaker, wipers, and hazard lights are working, but the car won't start. What should I do?

What should I do if I lose my car key?

How do I play music via Bluetooth? Do I need to connect it with my phone?

Did you upgrade the Bluetooth on the 2021 model? If the Bluetooth is upgraded, what should you do without a microphone?

How do I connect Bluetooth with my phone?

How do I connect my phone to the Bluetooth on a 2016 S5 manual? Can it be done via touchscreen?

How do I change the battery for the 2022 model car key? What type of battery does it use?

Hey fellow car enthusiasts, why does Bluetooth never connect automatically? I always have to connect it manually, and even though the phone function works fine after connecting, I can't hear WeChat voice messages.

I have a 2021 Diamond Edition Fengxing T5EVO. After changing my phone, the app's Bluetooth won't connect to the car, and I can't unlock the car with my phone either. The app keeps crashing. What could be the reason?

I can't connect the Bluetooth system of my 2014 Nissan Sunny with my phone. It says the key or pairing code is incorrect. Does anyone know how to connect the phone to the Bluetooth?