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4-5. Using the driving support systems
4
Driving
frozen the sensor display may be dis-
played abnormally, or objects, such as a
wall, may not be detected.
● When a sensor or the area around a sen-
sor is extremely hot or cold.
● On an extremely bumpy road, on an
incline, on gravel, or on grass.
● When vehicle horns, vehicle detectors,
motorcycle engines, air brakes of large
vehicles, the clearance sonar of other
vehicles or other devices which produce
ultrasonic waves are near the vehicle
● A sensor is coated with a sheet of spray
or heavy rain
● If objects draw too close to the sensor.
● When a pedestrian is wearing clothing
that does not reflect ultrasonic waves (ex.
skirts with gathers or frills).
● When objects that are not perpendicular
to the ground, not perpendicular to the
vehicle traveling direction, uneven, or
waving are in the detection range.
● When strong winds are blowing
● When driving in inclement weather such
as fog, snow or a sandstorm
● When an object that cannot be detected
is between the vehicle and a detected
object
● If an object such as a vehicle, motorcycle,
bicycle or pedestrian cuts in front of the
vehicle or runs out from the side of the
vehicle
● If the orientation of a sensor has been
changed due to a collision or other
impact
● When equipment such as a towing eyelet,
transport hook, bumper protector,
bumper trim, bicycle carrier or
snow-removal device (snow plow) is
installed near the sensor
● If the front of the vehicle is raised or low-
ered due to the carried load
● If the vehicle cannot be driven in a stable
manner, such as when the vehicle has
been in an accident or is malfunctioning
● When tire chains, compact spare tire or
an emergency tire puncture repair kit are
used
● When towing with the vehicle
■ Situations in which the system may
operate even if there is no possibility of a
collision
In some situations, such as the following, the
system may operate even though there is no
possibility of a collision.
● When driving on a narrow road
● When driving toward a banner, flag,
low-hanging branch or boom barrier
(such as those used at railroad crossings,
toll gates and parking lots)
● When there is a rut or hole in the surface
of the road
● When driving on a metal cover (grating),
such as those used for drainage ditches
● When driving up or down a steep slope
● If a sensor is hit by a large amount of
water, such as when driving on a flooded
road
● There is dirt, snow, water drops or ice on
a sensor. (Cleaning the sensors will
resolve this problem.)
● A sensor is coated with a sheet of spray
or heavy rain
● When driving in inclement weather such
as fog, snow or a sandstorm
● When strong winds are blowing
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