Press the "Radio" button directly on the human-machine interface control panel to turn on the radio. As for turning it off, switch directly to the media interface to turn off the radio or press the volume button. Audi A6 incorporates Audi's most advanced high-tech exclusive technologies in the world, further enriches its luxurious configuration, gives it super sports characteristics, and reflects its perfect quality from design to performance. It is characterized by being more luxurious, more dynamic and more mature. Luxury is mainly reflected in BOSE audio, TV/DVD, and refrigerators, all of which are world-class brand-name products. The more dynamic aspect is reflected in the sports seats and steering wheel; the maturity is reflected in the Audi A6's multiple successful upgrades, which not only meet new standards, but also have extremely high reliability. On the home screen, select: Media > Source > Source. Depending on the connected device or online media service, the source's symbols will adjust themselves. You can also connect external devices via Bluetooth and use a Bluetooth audio player. Or connect external devices directly to your Audi music plug-in device.