Hello everyone! What could be the reason for the Phantom's heater not working?

Why does the MG GT's air conditioning only blow towards the front windshield, and the other direction buttons don't work? What could be the reason?

Has anyone experienced issues with the Phantom's automatic door closing system occasionally failing? Could it be because the door is opened too wide or is there another reason?

What could be the reason for the Phaeton loudspeaker system working intermittently?

The check engine light is on, indicating an engine emission fault, but the DPF regeneration indicator is not lit. Holding the regeneration button doesn't work, and sometimes the vehicle doesn't accelerate properly. What could be the reason for this? Any ideas, everyone?

What could be the reason for the start-stop system not working on the 2017 model?

Hello everyone! Why isn't the heater working well in my 2020 Rolls-Royce Cullinan BB?

Hello everyone! What could be the reason for the Phantom's heater not working?

What could be the reason for the Haval H2's push-start sometimes working and sometimes not?

What could be the reasons for the Peugeot 3008's automatic start-stop function not working properly?

The inner button on the passenger door isn't working, but it can be opened using the screen controls and from the outside. What could be the reason for this?