See also:

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

Switching on/off
To switch the entertainment audio output on or off: Press knob 1next to the CD/DVD player. This symbol on the Control Display indicates that sound output is switched off. The sound output is ava ...

Tire inflation pressure values up to 100 mph/160 km/h
320i 328i 335i ...