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Driver assistance systems
unavailable or ACC unavailable warning
lights come on.
●
Clean the sensor area on the bumper as
indicat
ed in
›››
page 336, Cleaning the exte-
rior. When the radar sensor starts correctly
detecting again, the message disappears
from the screen and the functions become
available again.
CAUTION
●
If the r
adar sensor is dirty or poorly ad-
justed, the Front Assist system may give un-
necessary warnings and apply the brakes
inappropriately.
●
The operation of the radar can be affec-
ted by strong reflections of the emitted sig-
nal. This may occur, for example, in an en-
closed car park or due to the presence of
metallic objects (e.g. guard rails or sheets
used in road works).
●
The sensor may not be adjusted correct-
ly if it receives an impact. This may com-
promise the system's efficacy or discon-
nect it. If you have the feeling that the ra-
dar sensor is damaged or adjusted incor-
rectly, switch off the Front Assist and ACC
functions to avoid any damage. If this oc-
curs have it adjusted.
Front camera
Fig. 159
On the windscreen: field of vision of
the L
ane Assist system.
Depending on the equipment, the vehicle
may be fitt
ed with a front camera on the front
windscreen
›››
Fig. 159. This camera detects
lane boundaries (lines) to provide support for
the following functions:
●
Lane Assist
›››
page 247.
●
Travel Assist
›››
page 249.
●
Emergency assist
›››
page 251.
CAUTION
To avoid affecting the operation of the sys-
t
ems, take the following points into consid-
eration:
●
Clean the field of vision of the camera
regularly and make sure it is free of snow
and ice.
●
Do not co
ver the field of vision of the
camera.
●
Check that the windscreen is not dam-
aged in the area of the camera's field of vi-
sion.
Rear radar
Fig. 160 Rear view of the vehicle: radar sensor
z
ones.
Fig. 161 Sensor detection zones
»
231
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