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Why is there no sound after connecting to Bluetooth in the car?

2 Answers

AsherFitz

07/25/25 2:01pm

If the car Bluetooth is connected but there is no sound, it may be because the phone is on silent mode or the volume is set to zero. It could also be that the navigation system in the car has no sound or the volume is too low to hear. Another possibility is that some car Bluetooth systems, if not on the Bluetooth media audio playback interface, will continue to play the last media audio source, resulting in no sound when playing music. The reasons why the car Bluetooth is connected but there is no sound are as follows: 1. Volume: The volume on the car navigation system or the phone is not turned on: 2. Signal interference: The media audio on the phone is not turned off, causing signal interference with the Bluetooth function:

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DeLeo

08/11/25 8:58pm

Last time I was driving, I also encountered the issue where Bluetooth was connected but there was no sound, which was quite annoying. At that time, I checked my phone's volume and found that the media volume was set to the lowest level. After increasing it, everything worked fine. Additionally, the car audio system sometimes defaults to switching to radio or USB input without selecting the Bluetooth audio source. You can try confirming in the car menu that the output source is set to Bluetooth. If it still doesn’t work, restarting both the phone and the car system often resolves temporary issues. Software updates are also crucial, as older versions of the app might be incompatible. Remember, regularly clearing the Bluetooth cache or re-pairing can prevent such problems. Safety comes first when driving, so avoid adjusting settings while on the move—handle it when parked.

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