Volvo XC90 TWIN ENGINE Owner's Manual page 333

Limitations for radar device
The radar unit has certain limitations - which in
turn also limits those functions that use the unit.
Blocked unit
The marked area must be kept free from stickers,
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objects, shade film, etc. .
The following table presents examples of possible causes for a message being shown, along with the appropriate action:
Cause
The windscreen surface in front of the camera and radar unit is dirty or cov-
ered with ice or snow.
Thick fog and heavy rain or snow block the radar signals or the camera
view.
NOTE: The illustration is schematic - details may vary depending on car model.
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The radar unit is placed inside the upper section
of the windscreen together with the car's camera
unit.
IMPORTANT
Do not place, stick or mount anything on the
outside or inside of the windscreen in front of
or around the camera and radar unit — this
can interfere with camera and radar-depend-
ent functions.
This may mean that functions are reduced,
deactivated completely or give incorrect func-
tion response.
Action
Clean dirt, ice and snow from the windscreen surface in front of the camera
and radar unit.
No action. Sometimes the unit does not work during heavy rain or snowfall.
DRIVER SUPPORT
If the driver display shows this symbol
and the message " Windscreen
sensor Sensor blocked, see
Owner's manual ", this means that the
camera and radar unit cannot detect other vehi-
cles, cyclists, pedestrians and larger animals in
front of the car and that the car's camera-based
and radar-based functions may be disrupted,
reduced, completely deactivated or give an incor-
rect function response.
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