Switching off
The system can be deactivated as follows:
▷ 
Press the button.
▷ Switch off the ignition.
See also:
TRACTION
When TRACTION is active, the vehicle has maximum
traction on loose road surfaces. DTC Dynamic
Traction Control, refer to page 105, is activated.
Driving stability is limited during
acceleration ...
Selecting a channel
You can only listen to enabled channels.
The selected channel is stored for the remote control currently in use.
Via iDrive1. "Radio"
2. "Satellite radio"
3. ...
Switching on/off
Press the button.
▷ On: the LED lights up.
▷ Off: the LED goes out.
The state is stored for the remote control currently
in use. ...