Why is there no sound when playing music via Bluetooth in Buick Regal?

2 Answers
JamesonDella
08/29/25 4:17am
Buick Regal connected to Bluetooth but no sound when playing music may be caused by the following reasons: the volume on the car navigation system or mobile phone is not turned on; the music playback program has a different pairing code with certain car models; the multimedia music function of the car Bluetooth is not enabled; the media audio on the mobile phone is not turned off, causing signal interference with the Bluetooth function. Below is some extended information about car Bluetooth: 1. Function: During normal driving, Bluetooth technology connects to the mobile phone for hands-free calls, freeing both hands and reducing the risk of traffic accidents. Car Bluetooth can automatically recognize mobile phones without the need for cables or phone holders to connect to the phone. The owner can control the phone without touching it, even keeping both hands on the steering wheel, and use voice commands to answer or make calls. 2. Introduction: Bluetooth technology is an open global standard for wireless data and voice communication. Its essence is to establish a universal radio air interface for the communication environment between fixed or mobile devices, further integrating communication technology with computer technology, enabling various 3C devices to communicate or operate with each other within a short range without wired or cable connections.
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Marian
09/11/25 2:08am
Friend, I've been driving for many years and often encounter issues like Bluetooth having no sound. Last time it happened with my Buick, and it was really frustrating when the music had no sound. Generally, first check the phone settings: make sure the pairing is successful, turn up the media volume, and don’t leave it on mute. Then check the car’s system to ensure the correct Bluetooth audio source is selected, not some other input. If all these are set correctly and there’s still no sound, it might be a software bug—try restarting both the phone and the car, or update the system software. Occasionally, it could be a hardware issue, like a faulty Bluetooth module, which would require a visit to a professional repair shop. I recommend testing the Bluetooth function during regular maintenance to avoid sudden loss of sound on the road, which can affect your mood—after all, music helps relax the mind while driving.
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