Why is there no sound when playing music via Bluetooth connection on Audi A3?

[OAlan]

Audi A3 Bluetooth connection has no sound because the audio source on the car's system is not set to Bluetooth. Selecting the Bluetooth player can restore the sound. Audi A3 Bluetooth additional information: 1. Function: The car Bluetooth feature automatically recognizes mobile phones, enabling connection without cables or phone holders; the driver can control the phone without touching it, even keeping both hands on the steering wheel, using voice commands to answer or make calls. 2. Working principle: Bluetooth technology is an open global standard for wireless data and voice communication. Its essence is to establish a universal radio air interface for communication between fixed or mobile devices, further integrating communication technology with computer technology, allowing various 3C devices to communicate or operate within close range without wires or cables connecting them.