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. ...

Controls
1 Change entertainment sources 2 Volume, on/off 3 Programmable memory buttons or radio station buttons 4 Change station/track 5 Eject CD/DVD 6 CD/DVD drive 7 Change wave band ...

Switching the warning function on/off
Press the button ▷ On: the LED lights up. ▷ Off: the LED goes out. The state is stored for the remote control currently in use. ...