See also:

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 tension ...

Rear seat heating
Switching on Press the button once for each temperature level. The maximum temperature is reached when three LEDs are lit. Switching off Press the button longer. The LEDs go out. Temper ...

Coolant temperature
Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level ...