See also:

Resetting to factory settings
For safety reasons, the Daytime Running Lamps function in the Lighting submenu is only reset when the engine is switched off. ► Press on the steering wheel to select the Settings menu. ...

Decoupling a trailer
WARNING Do not disconnect a trailer with an engaged overrun brake. Otherwise, your hand could become trapped between the bumper and trailer drawbar. Do not disconnect a trailer with an eng ...

Trailer power supply
The trailer socket of your vehicle is equipped at the factory with a permanent power supply. The permanent power supply is supplied via trailer socket pin 4. You can connect accessories wit ...