See also:

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

Programming
Programming 1. Memory buttons 2. LED Fixed-code hand-held transmitters 1. Switch on the ignition, refer to page 61. 2. Initial setup: Press both outer memory buttons 1 for approx. 20 seconds ...

Activating/deactivating Bluetooth
Bluetooth is not permitted everywhere. Comply with all safety guidelines and regulations. 1. "Telephone" 2. Open "Options". 3. "Bluetooth®" Activating/deactivatin ...