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 > Displays: Selection lists in the
instrument cluster
The concept
Depending on your vehicle's optional features,
the following can be displayed or operated using
the buttons and the thumbwheel on the
steering wheel as well as the displays in the instrument
cluster and the Head-up Display:
Current audio source.
Redial phone feature.
Turn on ...