Why is this Bluetooth always showing in black and not working? Other functions are fine.

The lock and trunk release on my Arrizo 3 remote aren't working, only the unlock function works. I changed the battery, but it's still the same. It was working fine the night before. Does anyone know what the problem might be?

Why did the reverse gear suddenly stop working, but it was fine an hour later, on a Trailblazer?

After locking the 2.0 manual ASX, the remote works fine, but why can't it be opened with the key? Any ideas?

Why is this Bluetooth always showing in black and not working? Other functions are fine.

Why doesn't my fuel consumption display anymore? It's always showing "——————".

Does the 2016 MG3 1.3L Comfort Edition have Bluetooth functionality?

Why does the display always show 7.0 liters per 100 kilometers, both on highways and at low speeds?

I want to ask the experts, why does the air conditioning not work when I turn on the internal circulation? The light comes on briefly and then goes off, but the heating works fine. Why is that?

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.

How can I change the display on the left side of the dashboard screen? Mine always shows a car model, but I've seen others display tire pressure.