See also:

Visual warning
The approach of the vehicle to an object can be shown on the Control Display. When the distance to an object is small, a red bar is shown in front of the vehicle, as it is in the PDC display. ...

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

Display in the instrument cluster
The selected speed is displayed in the speedometer. ► Green: the system is actively braking the vehicle. ► Orange: the system is on standby. ...