See also:

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Display
▷ Lines, arrow 1: the system is activated. ▷ Arrows, arrow 2: at least one lane marking was detected and warnings can be issued. ...