The concept

The central locking system becomes active when the driver's door is closed.

The system simultaneously engages and releases the locks on the following:

▷ Doors.
▷ Trunk lid.
▷ Fuel filler flap.

    See also:

    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. ...

    Switching on/off manually
    Press the button. On: the LED lights up. Off: the LED goes out. ...

    Coolant temperature
    Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level. ...