See also:

Display visibility
The visibility of the displays in the Head-up Display is influenced by: Certain sitting positions. Objects on the cover of the Head-up Display. Sunglasses with certain polarization filters. ...

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

Switching the split screen on and off
1. Press the button. 2. "Split screen" ...