See also:

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. ...

Adjusting the volume
Turn the volume button while giving an instruction until the desired volume is set. ► The volume remains constant even if the volume of other audio sources is changed. ► The volume i ...

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