See also:

Headlamp courtesy delay feature
The low beams stay lit for a short while after the ignition is switched off, if the lamps are switched off and the headlamp flasher is switched on. Setting the duration 1. "Settings" 2. ...

Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear luggage racks after use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...