See also:

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...

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 ...

Buttons at a glance
Buttons at a glance 1 System on/off, interrupt 2 Resume speed 3 Store speed 4 Reduce distance 5 Store, maintain/change speed 6 Increase distance ...