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Switching on/off manually
Press the button.
▷ On: the LED lights up.
▷ Off: the LED goes out.
Display
Signal tones
When approaching an object, an intermittent
tone is sounded that indicates the position of
the object. For example, if an object is detected
to the left rear of the vehicle, a signal tone
sounds from the left rear speaker.
The shorter the distance to the object becomes,
the shorter the intervals.
If the distance to a detected object is less than
approx. 10 in/25 cm, a continuous tone is
sounded.
If objects are located both in front of and be‐
hind the vehicle, an alternating continuous sig‐
nal is sounded.
The signal tone is switched off:
▷ When the vehicle moves away from an ob‐
ject by more than approx. 4 in/10 cm.
▷ When selector lever position P is engaged.
Volume
The volume of the PDC signal can be adjusted,
refer to user's manual for Navigation, Enter‐
tainment and Communication.
The setting is stored for the remote control cur‐
rently in use.
Visual warning
The approach of the vehicle to an object can be
shown on the Control Display. Objects that are
farther away are displayed on the Control Dis‐
play before a signal tone sounds.
A display appears as soon as Park Distance
Control (PDC) is activated.
The range of the sensors is represented in col‐
ors: red, green and yellow.
When the image of the rearview camera is dis‐
played, the switch can be made to PDC:
"Rear view camera"
System limits
Limits of ultrasonic measurement
The detection of objects can reach the physical
limits of ultrasonic measurement, e.g., in the
following circumstances:
▷ For small children and animals.
▷ For persons with certain clothing, e.g.
coats.
▷ If there is an external disturbance of the ul‐
trasound, e.g. from passing vehicles or loud
machines.
▷ When sensors are dirty, iced over, damaged
or out of position.
▷ Under certain weather conditions, such as
high relative humidity, rain, snowfall ex‐
treme heat or strong wind.
▷ With tow bars and trailer hitches of other
vehicles.
▷ With thin or wedge-shaped objects.
▷ With moving objects.
▷ With elevated, protruding objects such as
ledges or cargo.
▷ With objects with corners and sharp edges.
▷ With objects with a fine surface structure,
such as fences.
▷ For objects with porous surfaces.
Low objects already displayed, e.g., curbs, can
move into the blind area of the sensors before
or after a continuous tone sounds.
False warnings
PDC may issue a warning under the following
conditions even though there is no obstacle
within the detection range:
Seite 119
Driving comfort
CONTROLS
119
Online Edition for Part no. 01 40 2 927 905 - II/14
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