See also:

Hazard warning flashers
The button is located in the center console. ...

Functional readiness of the airbagsystem
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 tensioner. ...

Cooling function
The passenger compartment can only be cooled with the engine running. Press the button. The air is cooled and dehumidified and – depending on the temperature setting – warmed again. The cool ...