Approach lighting is switched on with the remote control key, see Remote control key - functions, and is used to switch on the car's lighting at a distance.
When the function is activated with the remote control key, position lamps, lamps in the door mirrors, number plate lighting, interior roof lighting and floor lighting are switched on.
The length of time for which the approach lighting should be kept on can be set in the menu system MY CAR, see MY CAR.