See also:

Removing the mechanical key
•► Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...

Switching the screen on/off (Rear Seat Entertainment System only)
If the SmartKey is in the ignition lock in position 0 or 1 or if the SmartKey is not in the ignition lock, the rear screens will switch off after 30 minutes. Before the screens switch off, the ...

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 ...