See also:

Front
Active seat ventilation 1. Seat heating 2. Active seat ventilation Press button 1 or 2 once depending on the temperature or ventilation position. The LED in the respective button lights up. ...

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. ...

Vehicle information
Owner's Manual Computer Vehicle ...