See also:

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

The concept
The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

Additional functions
Activating/deactivating the additional functions Activate the functions before pairing to be able to use them in the vehicle. Information on suitable mobile phones, that support this function ...