7-154
Driver assistance system
• Problems with the surroundings
- The surrounding is very bright or
very dark
- Outside temperature is very high or
very low
- The wind is either strong (above
20 km/h (12 mph)) or blowing
perpendicular to the rear bumper
- Objects generating excessive
noise, such as vehicle horns, loud
motorcycle vehicles or truck air
brakes, are near your vehicle
- An ultrasonic sensor with similar
frequency is near your vehicle
- The road is slippery or inclined
- The image of the pedestrian
in the front view camera is
indistinguishable from the
background
• Problems with pedestrian or object
- The pedestrians are difficult to
detect
- There is ground height difference
between the vehicle and the
pedestrian
- The pedestrian is near the rear edge
of the vehicle
- The pedestrian is not standing
upright
- The pedestrian is either very short
or very tall to detect
- The pedestrian or cyclist is wearing
clothing that easily blends into the
background, making it difficult to
detect
- The pedestrian is wearing clothing
that does not reflect ultrasonic
waves well
- Size, thickness, height, or shape
of the object does not reflect
ultrasonic waves well (for example,
low object, narrow object, circular
pillar, small pillar, corners of a
square pillar, bush, curbs, carts,
edge of a wall, etc.)
- The pedestrian or the object is
moving
- The pedestrian or the object is very
close to the rear of the vehicle
- There is a large object such as a
wall is behind the pedestrian or the
object
- The object is not located at the front
or rear center of your vehicle
- The object is not parallel to the rear
bumper
- The sensors cannot detect the
pedestrians and objects