Welcome lamps
When parking the vehicle, leave the switch in
position 
or
the parking and interior
lamps light up briefly when the vehicle is unlocked.
Activating/deactivating
1. "Settings"
2. "Lighting"
3. "Welcome light"
The setting is stored for the remote control currently in use.
See also:
Loss of the remote controls
Lost remote controls can be blocked by your
service center. ...
General information
Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, for example,
cannot operate the power windows and injure
themselves.◄
...
Requirements
▷ Subscription to the optional Convenience
Plan.
▷ The date setting on the Control Display is
current.
▷ The vehicle is located within wireless network
coverage. ...