Press button; the LED above the button lights up.
Deactivating HDC
Press button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h.
Display in the instrument cluster
The selected speed is displayed in the speedometer.
Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated brake temperatures.
BMW X3 Owners Manual > Transporting children safely: 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 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 ...