Reverse Automatic Braking System 389
not reflect the sound wave emitted
from the sonar sensor.
– Objects that are too close to the
rear bumper when the select lever is
set to the “R” position.
– Objects with a surface which may
not reflect the sound wave emitted
from the sonar sensor such as a
chain link fence.
. Objects the system is not designed
to detect and apply brake.
– Pedestrians.
– Moving objects including moving
vehicles.
– Objects which absorbs sound
waves such as cloth or snow.
– Objects whose surface has a
diagonal angle.
– Objects that are low to the ground
such as parking blocks.
– Objects that are high above the
ground such as objects hanging
from above.
– Objects that are out of range of
the center of the vehicle in the
horizontal direction.
– Objects that are not in a vertical
direction.
. When reversing the vehicle, the
functions may not be able to work
properly or may cause a system malfunction
if the following conditions
exist.
High frequency sound from other
sources are nearby:
– Horn sound from another vehicle.
– Engine sound from other vehicles.
– Sound of an air brake.
– Vehicle detection equipment or a
sonar from another vehicle.
– A sound wave with a frequency
similar to the vehicle’s system is
transmitted near by.
– A vehicle equipped with the same
system is reversing toward your
reversing direction.
Weather conditions:
– Extremely high or extremely low
temperatures in which the area near
the sonar sensor becomes too hot
or too cold to operate.
– The sonar sensors or the rear
bumper near the sonar sensors are
exposed to heavy rain or a significant
amount of water.
– Fog, snow or sandstorm, etc.
– Air is moving rapidly such as
when a strong wind is blowing.
Parts attached to the rear bumper
near the sonar sensor:
– Commercial electronic parts (fog
light, fender pole, radio antenna) or
commercial attachment parts (trailer
hitch, bicycle carrier, bumper
guard) are attached.
– Parts that emit high frequency
sound, such as a horn or speaker,
are attached.
Vehicle conditions:
– Ice, snow or mud is adhered to
the sonar sensors or the rear bumper
near the sonar sensor.
– The vehicle is significantly inclined.
– The ground clearance is significantly
reduced due to the vehicle’s
loading condition, etc.
– When the sonar sensor is misaligned
due to a collision or an
accident.
Surrounding environment:
– A cloth banner, flag, hanging
branch or railroad crossing bars
are present in the reversing direction.
– When reversing on a gravel or
grassy area.
– When reversing in an area where
objects or walls are adjacent to the
vehicle such as narrow tunnels,
– CONTINUED –
7
Starting and Operating