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. ...

Remote control
Each remote control contains a rechargeable battery that is automatically recharged when it is in the ignition lock while the car is being driven. Use each remote control at least twice a year f ...

Operation
Adjusting the volume Turn the knob until the desired volume is reached. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphon ...