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. ...

Controls
The audio and video sources can be controlled using the: > Buttons near the CD/DVD player > iDrive > Buttons on the steering wheel, > Programmable memory keys, > Voice activation s ...

Radio ready state
Activate radio ready state: ▷ When the ignition is switched off: press ON/ OFF button on the radio. ▷ When the engine is running: press START/ STOP button. Some electronic systems/p ...