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. ...

System limits
Sudden tire damage Sudden serious tire damage caused by external influences cannot be indicated in advance.◀ A natural, even pressure loss in all four tires cannot be detected. Therefore ...

Switching on/off
Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. The state is stored for the remote control currently in use. ...