1, first check whether the volume of your mobile phone is off, please turn it on. , then check whether the volume of the car navigator is turned on, and then check whether the phone is connected to Bluetooth.
2. If there are no problems mentioned above, it is because after some cars are connected to Bluetooth, if the cars are not in the Bluetooth media audio playback interface, they will still play the last media audio source, resulting in the mute phenomenon of playing music.
3. It is suggested to switch the car to the Bluetooth media audio interface, and then connect the mobile phone Bluetooth. If only the music is muted, it does not rule out that there are problems with individual versions of individual applications. It is recommended to update each application to the latest version, or try to compare with other applications.
Precautions for using car Bluetooth:
1, don't leave it in strong light for too long, it will affect the service life of Bluetooth in the car.
2. Don't clean the machine with corrosive liquid, which will damage the machine. If you want to prolong its life, you must protect it more at ordinary times.
3. Don't store it in an overheated place. High temperature will shorten the life of electronic equipment, damage batteries and make some plastics age.