reason
1, the car navigator or mobile phone volume is not turned on. After playing Bluetooth, the song does not sound, the first check whether the device with two ports is in a silent state, and the volume is adjusted to the nature can hear the sound.
2. Bluetooth connection error. Some owners may not be familiar with their car Bluetooth performance, resulting in the current mobile phone music playback port and the vehicle's Bluetooth system fails to match, so that they can only answer the phone. Owners only need to change the mobile phone Bluetooth playback band or vehicle multimedia options.
3. The mobile media audio that needs to be connected is not turned off. If the mobile phone's own media audio is not turned off, it will cause signal interference to the Bluetooth function. Owners only need to turn off the media audio.