See also:

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphone on the telephone ...

Radio ready state and ignition off
All indicator and warning lamps as well as displays in the instrument cluster go out. Transmission position P with the ignition off When the ignition is switched off, position P is engaged a ...

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. ...