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204
4-5. Using the driving support systems
COROLLA HV_U
the displayed sign will flash
and a buzzer will sound.
Depending on the situation, traf-
fic environment (traffic direction,
speed unit) may be detected
incorrectly and a warning dis-
play may not operate properly.
■
Setting procedure
1 Press or of the meter
control switches and select
2 Press or of the meter
control switches and select
, then press
■
Automatic turn-off of RSA sign
display
In the following situations, a dis-
played speed limit sign will stop
being displayed automatically:
●
A new sign is not recognized for a
certain distance.
●
The road changes due to a left or
right turn, etc.
In the following situations, do not
enter, stop and yield signs will stop
being displayed automatically:
●
The system determines that your
vehicle has passed the sign.
●
The road changes due to a left or
right turn, etc.
■
Conditions in which the func-
tion may not operate or detect
correctly
In the following situations, RSA
does not operate normally and may
not recognize signs, display the
incorrect sign, etc. However, this
does not indicate a malfunction.
●
The front camera is misaligned
due to a strong impact being
applied to the sensor, etc.
●
Dirt, snow, stickers, etc. are on the
windshield near the front camera.
●
In inclement weather such as
heavy rain, fog, snow or sand
storms.
●
Light from an oncoming vehicle,
the sun, etc. enters the front cam-
era.
●
The sign is dirty, faded, tilted or
bent, and if an electronic sign, the
contrast is poor.
●
All or part of the sign is hidden by
the leaves of a tree, a pole, etc.
●
The sign is only visible to the front
camera for a short amount of time.
●
The driving scene (turning, lane
change, etc.) is judged incorrectly.
●
Even if it is a sign not appropriate
for the currently traveled lane,
such a sign exists directly after a
freeway branches, or in an adja-
cent lane just before merging.
●
Stickers are attached to the rear of
the preceding vehicle.
●
A sign resembling a system com-
patible sign is recognized.
●
Side road speed signs may be
detected and displayed (if posi-
tioned in sight of the front camera)
while the vehicle is traveling on
the main road.
●
Roundabout exit road speed signs
may be detected and displayed (if
positioned in sight of the front
camera) while traveling on a
roundabout.
●
The front of the vehicle is raised or
lowered due to the carried load.
●
The surrounding brightness is not
sufficient or changes suddenly.
●
When a sign intended for trucks,
etc. is recognized.
●
The speed information displayed
on the meter and that displayed
on the navigation system may be
different due to the navigation sys-
tem using map data.
■
Speed limit sign display
If the power switch was last turned
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