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 > Installing child restraint
systems: On the front passenger seat
Deactivating airbags
Deactivating the front-seat passenger
airbags
If a child restraint system is used in the front
passenger seat, deactivate the front-seat passenger
airbags; otherwise, there is an increased
risk of injury to the child when the airbags
are activated, even with a child restr ...