The lane keeping assist system (LKAS) may not operate in the following
conditions:
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Lane lines are not visible due to rain, snow, dust, puddles,
wet road surface or debris.
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– |
The brightness outside the vehicle suddenly changes, for example,
when entering a tunnel.
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The head lamp is not used or the light is too weak at night or
while in a tunnel.
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The lane lines are not distinguishable from the road.
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The vehicle is on the bus lane or on the lane next to the bus
lane.
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The road is curved too sharply or the slope of the road is too
steep.
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Sunlight, street light, or lamp light of the on-coming vehicle
is reflected on the wet road surface.
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– |
The windshield or the camera lens is contaminated due to dust
or debris.
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– |
The visibility is poor due to bad weather such as fog, heavy
rain, or heavy snow.
|
– |
The temperature around the rear view mirror is too high due to
direct sunlight.
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The road lane is too narrow or wide.
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The lane lines are faint or damaged.
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Condensation on the windshield is not completely removed.
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A shadow of median strip covers the road lanes.
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The lane lines are not distinguishable from the road due to dust
on the road.
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There are tracks or marks near the lane lines.
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A shadow of median strip, guardrail, sound-absorbing walls, or
trees covers the road lanes.
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There is a line structure such as pavements.
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The distance from the preceding vehicle is too short or the preceding
vehicle is on the lane lines.
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The vehicle is shaking intensely.
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Objects are on the crash pad.
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Backlight is lit in the direction of movement.
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The lane lines are too complex or are replaced by an alternate
structure due to construction.
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The visibility is too poor to see the lane lines.
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There are two or more lane lines.
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The lane lines inside a tunnel are contaminated by dust or oil.
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There are road markings such as crosswalk or road signs on the
road surface.
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The lane lines disappear or are not visible, for example, in
a cross-section.
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The number of road lanes increases/decreases or the road lanes
cross each other complicatedly.
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(Tollgate entrances/exits or divided/joined roads)
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