10–33
Inactivity situation
The stereo camera recognize pedestrian
for Pre-Collision Warning and Pre-Collision
Braking function. The pedestrian recognition
is done from the size, shape and movement of
the object. It recognizes when the contours of
the head and shoulders are clear. Following
cases may result into Pre-Collision Warning
and Pre-Collision Braking may not operate
and may not stop completely.
1. Vehicle speed difference from the
preceding vehicle or pedestrian, distance
between vehicles, state of approach and
deviation in lateral direction. (such as not
being in the front of own vehicle)
2. State of the vehicle (loading capacity,
crew and others)
3. The state of the road surface (gradient,
slipperiness, shape, unevenness, etc.)
4. When the visibility in the front is bad
(torrential rain, thick fog, dust, etc.)
5. When judging that the driver has taken
avoidance operation from the driver’s
operating state (accelerator, brake,
steering wheel, etc.)
6. Immediately after starting the engine.
7. When the outside temperature is low or
the brake is cold just after the start of
running.
8. When the brakes are getting worse due
to overheating of the brakes downhill.
9. When the brakes are getting wet and
the effectiveness of the brakes is getting
worse such as after water running or after
washing the vehicle.
10. Sudden interruption such as vehicles or
motorcycles jump in.
11. When there is an oncoming vehicle
approach current vehicle.
12. When the stereo camera is difficult to
recognize especially in these conditions:
• When the stereo camera is covered with
cloud, dirt, frost, raindrops, dirt, seals etc.
• When using glass coating agent other
than Perodua designation.
• When sticking film on windshield.
• When stable recognition cannot be
performed by reflection on the windshield.
• When front windshield is not fully wiped
off during use or after use of front washer.
• When there are scratches, cracks, etc.
occur on windshield.
• When a thing that hinders the view of
stereo camera is attached to the vehicle
body.
• When the view of stereo camera is
obstructed by loading a long full-length
baggage (surfboard, canoes, etc.) on the
roof.
• When the wiper blades other than Perodua
genuine products are installed (including
the short length type)
• When the recognition of the objects are
incomplete by blocking the view of stereo
camera for example raindrops, water
drops of window washer liquid, wiper
blades etc.
• When the stereo camera is blocked with
hands or paper.
• When a shock is applied to the stereo
camera causing deviation or distortion.
• When there is a bad weather (torrential
rain, thick fog, etc.) and the front visibility
is bad.
• When approaching the preceding vehicle
or pedestrian in a dark place such as night
time, tunnel, indoor parking lot etc.
• When the brightness changes due to
entrances and exits of the tunnel, trees,
building shadows etc.
Sect 10_EN D42L.indd 33 07/11/2019 8:26 AM
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