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Possible radar sensor function impairments
The adaptive cruise control will switch
off
tempora-
rily if
the
radar sensor function is
impaired, e.g.
due to heavy rain
, spray,
snow, ice or
mud.
A cor-
responding message will appear in the instrument
cluster
display.
Clean the radar sensors as re-
quired.
The adaptive cruise control will automatically be
available again as soon as the radar sensors are
no longer
impaired.
The message in the instrument
cluster display goes
out,
and the adaptive cruise
control can be reactivated
.
~trong
.
reflected radiation of the radar
signal,
e.g.
1n
mult1-storey car
parks,
can impair the function of
the radar
sensor.
Towing a trailer
The adaptive cruise control operates with reduced
dynamics when the vehicle is towing a
trailer.
Overheated brakes
If the
brak~s.
overheat,
e.g.
following heavy braking
or when dnv1ng down steep inclines for long peri-
ods
,
the
ada~tive
cruise control may be deactiva-
ted
t~mpor~nly.
A corresponding message will ap-
pear .m the
tns~rument
cluster
display.
lt is then not
poss1ble to act1vate the adaptive cruise control.
As soon as the temperature of the brakes has de-
creased
sufficiently,
the adaptive cruise control can
be activated again. The message in the instrument
cluster display goes out. If the message
ACC
not
ava
i
1
ab
1
e
does not go out for a long
time,
there
is a fault. Proceed to a qualified workshop. Volks-
wagen recommends using a Volkswagen dealer-
ship for this purpose.
.,.
.
..,,
...
-,
If the message ACC ready for start ap·
pears in the instrument cluster display and
th_e vehicle in front moves
off,
your vehicle
w1ll move off automatically. In some cases
the radar sensor may be unable to detect
ob·
st~cles
that are located in the vehicle's path.
Th1s can result in serious injury and acci·
dents.
l
•
Always check the road ahead before the
veh~cle
pulls away. If necessary, cancel the
pulling away procedure by depressing the
brake pedal.
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