See also:

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...

Environmental conditions
▷ Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed. ▷ Always say commands in the language of the voice activation system. ▷ When se ...

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...