See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Safety switch for the rear
Press the button on the driver's door if children are being transported in the rear. This locks various functions so that they cannot be operated from the rear: safety switch. ...

Warning of people in danger
If the system detects a person in the defined area in front of the vehicle and if there is the danger of a collision with this person, a warning symbol appears in the Control Display and Hea ...