See also:

Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...

Changing batteries
Changing batteries 1. Press the detent and remove the cover. 2. Change the batteries. The type and installation position are marked on the bottom of the battery compartment. 3. Close the cove ...

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. ...