See also:

Locking the doors and windows
Rear doors Push the locking lever on the rear doors down. The door can now be opened from the outside only. Safety switch for the rear Press the button on the driver's door if children ar ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...