User Manual - Page 398

For 2019 Prius Prime.

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396
PRIUS PRIME_OM_OM47D13U_(U)
5-5. Using the driving support systems
Conditions in which functions may not operate properly
In the following situations, the camera sensor may not detect white (yellow)
lines and various functions may not operate normally.
There are shadows on the road that run parallel with, or cover, the white
(yellow) lines.
The vehicle is driven in an area without white (yellow) lines, such as in front
of a tollgate or checkpoint, or at an intersection, etc.
The white (yellow) lines are cracked, “Botts’ dots”, “Raised pavement
marker” or stones are present.
The white (yellow) lines cannot be seen or are difficult to see due to sand,
etc.
The vehicle is driven on a road surface that is wet due to rain, puddles, etc.
The traffic lines are yellow (which may be more difficult to recognize than
lines that are white).
The white (yellow) lines cross over a curb, etc.
The vehicle is driven on a bright surface, such as concrete.
The vehicle is driven on a surface that is bright due to reflected light, etc.
The vehicle is driven in an area where the brightness changes suddenly,
such as at the entrances and exits of tunnels, etc.
Light from the headlights of an oncoming vehicle, the sun, etc. enters the
camera.
The vehicle is driven where the road diverges, merges, etc.
The vehicle is driven on a slope.
The vehicle is driven on a road which tilts left or right, or a winding road.
The vehicle is driven on an unpaved or rough road.
The vehicle is driven around a sharp curve.
The traffic lane is excessively narrow or wide.
The vehicle is extremely tilted due to carrying heavy luggage or having
improper tire pressure.
The distance to the preceding vehicle is extremely short.
The vehicle is moving up and down a large amount due to road conditions
during driving (poor roads or road seams).
The headlight lenses are dirty and emit a faint amount of light at night, or the
beam axis has deviated.
The vehicle is struck by a crosswind.
The vehicle has just changed lanes or crossed an intersection.
Snow tires, etc. are equipped.
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