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07 Driver support
07
220
Fault tracing and action
If the message (p. 222) Windscreen
sensors blocked See manual is shown in
the combined instrument panel it indicates
that the laser sensor is blocked and cannot
detect vehicles in front of the car. This means
that City Safety™ is not operational.
The
Windscreen sensors blocked See
manual message is not shown for all situa-
tions in which the laser sensor is blocked.
The driver must therefore be diligent about
keeping the windscreen and area in front of
the laser sensor clean.
The following table presents possible causes
for the message being shown, along with
suggestions for appropriate action.
Cause Action
The windscreen sur-
face in front of the
laser sensor is dirty or
covered with ice or
snow.
Clean the wind-
screen surface in
front of the sensor
from dirt, ice and
snow.
The laser sensor field
of vision is blocked.
Remove the
blocking object.
IMPORTANT
If there are cracks, scratches or stone
chips in the windscreen in front of either of
the laser sensor's "windows" and they
cover a surface of approx. 0.5 x 3.0 mm
(or larger), then a workshop must be con-
tacted for replacement of the windscreen -
an authorised Volvo workshop is recom-
mended. For an illustration of sensor loca-
tion, see City Safety™ - function (p. 217).
Failure to take action may result in
reduced performance for City Safety™.
To avoid the risk of failed, deficient or
reduced operation for City Safety™, the
following also applies:
•
Volvo recommends that you do not
repair cracks, scratches or stone chips
in the area in front of the laser sensor -
instead, the whole windscreen should
be replaced.
•
Before replacing a windscreen, con-
tact an authorised Volvo workshop to
verify that the correct windscreen is
ordered and fitted.
•
The same type or Volvo-approved
windscreen wipers must be fitted dur-
ing replacement.
Related information
•
City Safety™ (p. 217)
•
City Safety™ - function (p. 217)
•
City Safety™ - operation (p. 218)
City Safety™ - laser sensor
The City Safety™ function includes a sensor
which transmits laser light. Contact a qualified
workshop in the event of a fault or if the laser
sensor needs servicing - an authorised Volvo
workshop is recommended. It is absolutely
essential to follow the prescribed instructions
when handling the laser sensor.
The following two labels relate to the laser
sensor:
The upper label in the figure describes the
laser beam's classification:
•
Laser radiation - Do not look into the
laser beam with optical instruments -
Class 1M laser product.
The lower label in the figure describes the
laser beam's physical data:
•
IEC 60825-1:1993 + A2:2001. Complies
with FDA (U.S. Food Administration)
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