See also:

On/off and tone
The following audio and video sources share the same control elements and adjustments: > Radio > CD/DVD player > CD changer > Video > External devices, e.g. MP3 player ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

After refilling diesel exhaust fluid
Incorrect fluid Incorrect fluids After refilling with the incorrect fluid, e.g., antifreeze for windshield wiper fluid, do not start the engine because this could result in a fire hazard. ...