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–
Higher protruding objects, for example
projecting walls or loads.
–
Objects with corners and sharp edges.
–
Objects with fine surfaces or structures,
for example fences.
–
Objects with porous surfaces.
–
Low objects already indicated, such as
kerbs, may enter the sensors' blind areas
before or after a continuous tone is
given.
False alarms
Under the following conditions, the system
can issue a warning although there is no ob-
stacle in the detection range:
–
In heavy rain.
–
If the sensors are very dirty or covered
with ice.
–
If the sensors are covered with snow.
–
On rough road surfaces.
–
On uneven ground, for example speed
bumps.
–
In large, rectangular buildings with
smooth walls, for example underground
car parks.
–
In washing bays and car washes.
–
Due to dense exhaust gases.
–
If the cover of the trailer tow hitch is in-
correctly seated.
–
Due to other ultrasonic sources, for ex-
ample sweeping machines, steam-jet
cleaners or neon lights.
The functional disruption is reported by
an alternating continuous tone between
the front and rear loudspeakers. As soon
as the disruption by other ultrasound
sources is no longer present, the system
is fully functional again.
With PDC at the front: to reduce false
alarms, switch off automatic activation of
PDC when obstacles are detected if neces-
Online Edition for Part no. 01402988211 - II/18
Driving comfort
sary, for example in automatic car washes,
see Switching on/off.
Malfunction
A Check Control message is displayed in the
instrument cluster.
A red symbol is shown and the re-
cording area of the sensors is shown
in dark colour on the Control Dis-
play.
PDC has failed. Have the system checked by
a Service Partner of the manufacturer or an-
other qualified Service Partner or a special-
ist workshop.
Rear-view camera
Principle
The rearview camera provides assistance
when reverse parking or manoeuvring. To
achieve this, the area behind the vehicle is
displayed on the Control Display.
Safety note
WARNING
The system does not relieve you of your
personal responsibility to assess the traffic
situation correctly. There is a danger of ac-
cidents. Adapt your driving style to the
traffic conditions. Additionally, look di-
rectly to check the traffic situation and the
area around the vehicle and intervene ac-
tively in the corresponding situations.
CONTROLS
187
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