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:
Capacities
...
Switching on automatically
Select transmission position R with the engine
running.
The Top View and PDC images are displayed if
the system is switched on via iDrive. ...
Coolant temperature
Should the coolant, and with it the engine, become
too hot, a Check Control message is displayed.
Check the coolant level. ...