Lexus RC 350 2019 Owner's Manual page 212

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210
4-5. Using the driving support systems
Depending on the vehicle and road condi-
tions, the warning may not operate.
Vehicle sway warning function
When the system determines that the vehi-
cle is swaying while the vehicle sway warn-
ing function is operating, a buzzer sounds
and a warning message urging the driver to
rest and the symbol shown in the illustration
are simultaneously displayed on the
multi-information display.
Depending on the vehicle and road condi-
tions, the warning may not operate.
White (yellow) lines are only on one side
of road
The LDA system will not operate for the
side on which white (yellow) lines could not
be recognized.
Conditions in which functions may not
operate properly
In the following situations, the camera sen-
sor 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 intersec-
tion, etc.
The white (yellow) lines are cracked,
RC350-RC300_OM_General_OM24884E
"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 car-
rying 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 dur-
ing 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.

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