Recommended Maintenance For - Volvo V90 Owner's Manual

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DRIVER SUPPORT
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CAUTION
Objects such as chains, thin and glossy poles
or low obstacles may end up in the "signal
shadow" and then go temporarily undetected
by the sensors – the pulsating tone may then
unexpectedly stop instead of becoming a
constant tone as expected.
The sensors cannot detect high objects, such
as protruding ramps.
In such situations, pay extra attention and
maneuver/drive the vehicle very slowly or
stop the current parking maneuver –
there may be a high risk of damage to
the vehicle or other objects since infor-
mation from the sensors is not always
reliable in such situations.
CAUTION
In some circumstances, the Park Assist Sys-
tem may produce false warnings due to exter-
nal sound sources with the same ultrasonic
frequencies as those the system works with.
Examples of such sources are horns, wet tires
on asphalt, pneumatic brakes, exhaust noise
from motorcycles, etc.
114
Note: This illustration is general and details may vary depending on model.
378
NOTE
When a trailer hitch is configured with the
vehicle electrical system, the trailer hitch pro-
trusion is included when the function meas-
ures the distance to objects behind the vehi-
cle.
Related information
Park Assist* (p. 375)

Recommended maintenance for

Park Assist
For Park Assist to function optimally, its sensors
must be cleaned regularly with water and car
washing detergent.
114
Location of the Park Assist sensors
NOTE
Dirt, ice and snow covering the sensors could
cause false warnings, reduced function, or no
function.
Related information
Park Assist* (p. 375)
.
* Option/accessory.

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