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. ...

Functional readiness of the airbag system
When the ignition is switch on, the warning lamp in the instrument cluster lights up briefly and thereby indicates the operational readiness of the entire airbag system and the belt tensione ...

Displays in the instrument cluster
Indicator lamp Depending on how the vehicle is equipped, the indicator lamp in the instrument cluster indicates whether the system is switched on. Desired speed ► The marking lights up ...