Driver Assistance System
Limitations of Lane Keeping Assist
Lane Keeping Assist may not operate
properly or may operate unexpectedly
under the following circumstances:
• The lane is contaminated or difficult to
detect because:
- The lane markings (or road edge) are
covered with rain, snow, dirt, oil, etc.
- The color of the lane marking (or road
edge) is not distinguishable from the
road
- There are markings (or road edges)
on the road near the lane or the
markings (or road edges) on the road
look similar to the lane markings (or
road edge)
- The lane marking (or road edge) is
indistinct or damaged
- The shadow is on the lane marking (or
road edge) by a median strip, trees,
guardrail, noise barriers, etc.
• The lane number increases or
decreases, or the lane markings (or
road edges) are crossing
• There are more than two lane markings
(or road edges) on the road
• The lane markings (or road edges) are
complicated or a structure substitutes
for the lines, such as a construction
area
• There are road markings, such as zigzag
lanes, crosswalk markings and road
signs
• The lane suddenly disappears, such as
at the intersection
• The lane (or road width) is very wide or
narrow
• There is a road edge without a lane
• There is a boundary structure in the
roadway, such as a tollgate, sidewalk,
curb, etc.
• The distance to the front vehicle is
extremely short or the vehicle in front is
covering the lane marking (or road
edge)
7-40
Information
For more information on the limitations of
the front view camera, refer to the
"Forward Collision-Avoidance assist
(FCA) (Front view camera only)" section in
this chapter.
WARNING
Take the following precautions when
using Lane Keeping Assist:
• The driver has the responsibility to
safely drive and control the vehicle. Do
not solely rely on Lane Keeping Assist
and drive dangerously.
• The operation of Lane Keeping Assist
can be cancelled or not work properly
depending on road conditions and
surroundings. Always be cautious while
driving.
• Refer to "Limitations of Lane Keeping
Assist" if the lane is not detected
properly.
• When you are towing a trailer or
another vehicle, turn off Lane Keeping
Assist for safety reasons.
• If the vehicle is driven at high speed,
the steering wheel will not be
controlled. The driver must always
follow the speed limit when using Lane
Keeping Assist.
• If any other system's warning message
appears or audible warning is
generated, Lane Keeping Assist
warning message may not be displayed
and audible warning may not be
generated.
• You may not hear the warning sound of
Lane Keeping Assist if the surrounding
is noisy.
• If you attach objects to the steering
wheel, steering may not be assisted
properly.