Pressing the phone button on the car's steering wheel does not work. How can this be solved?

1. Upgrade and reset the product: (1) Update on iPhone:

While the device is powered on, please manually join the adapter's WiFi network [AdapterMX-xxxx]; the password is 88888888. Next, enter 192.168.1.101 in the iPhone browser, then tap "Update"

Reset method: please use a SIM ejector pin to long press the reset hole button on the device for 15 seconds to complete the reset. 2. Then submit the log and video