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

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

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

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

What could be the reason that the MG ZS won't start with the push button?

Haval H2's snow mode malfunctioned. Should I go to the 4S shop for repair?

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

The start-stop switch sometimes works, sometimes doesn't.

Can the 2017 Haval H2 Automatic Elite be started with a mechanical key?

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

The 2020 Nissan X-Trail sometimes has a start-stop malfunction when starting the car. What could be the reason for this?!!!