Volvo V40 Owner's Manual page 232

07 Driver support
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Strong oncoming light, reflections in the car-
riageway, snow or ice on the road surface,
dirty road surfaces or unclear lane markings
could also significantly reduce camera sensor
function when it is used to scan the carriage-
way and detect pedestrians and other vehi-
cles.
The field of vision of the camera sensor is lim-
ited, which is why pedestrians, cyclists and
vehicles cannot be detected in some situa-
tions, or they are detected later than anticipa-
ted.
During very high temperatures the camera is
temporarily switched off for
approx. 15 minutes after the engine is started
in order to protect camera functionality.
Fault tracing and action
If the display shows the message
Windscreen sensors blocked See manual
then this means that the camera sensor is
blocked and cannot detect pedestrians,
cyclists, vehicles or road markings in front of
the car.
At the same time, this means that - besides
Collision Warning with Auto Brake - the Auto-
07
matic main/dipped beam dimming, Road Sign
Information, Driver Alert Control and Lane
Keeping Aid functions will not have full func-
tionality either.
*
230
Option/accessory, for more information, see Introduction.
The following table presents possible causes
for a message being shown along with the
appropriate action.
Cause Action
The windscreen Clean the wind-
surface in front of screen surface in
the camera is dirty front of the camera
or covered with ice from dirt, ice and
or snow. snow.
Thick fog, heavy No action. At times
rain or snow means the camera does
that the camera not work during
does not work suffi- heavy rain or snow-
ciently well. fall.
The windscreen Wait. It may take
surface in front of several minutes for
the camera has the camera to
been cleaned but measure the visibil-
the message ity.
remains.
Dirt has appeared Visit a workshop to
between the inside have the wind-
of the windscreen screen inside the
and the camera. camera cover
cleaned - an author-
ised Volvo work-
shop is recom-
mended.
Related information
•
Collision warning system* (p. 223)