Toyota SIENNA 2022 Manual page 290

nizes a do not enter sign and
determines that your vehicle
has entered a no-entry area,
the displayed sign will flash
and a buzzer will sound.
Depending on the situation, a
notification function may not
operate properly.
■ Setting procedure
P.112
■ Automatic turn-off of RSA sign
display
In the following situations, a dis-
played speed limit sign and/or do
not enter sign will stop being dis-
played automatically:
● No sign has been recognized for a
certain distance.
● The road changes due to a left or
right turn, etc.
In the following situations, 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,
4-5. Using the driving support systems
the sun, etc. enters the front cam-
era.
● The sign is dirty, faded, tilted or
bent.
● The contrast of electronic sign is
low.
● 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.
● If a sign not appropriate for the
currently traveled lane, but the
sign exists directly after a freeway
branches, or in an adjacent 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 on the naviga-
tion system may be different due
to the navigation system using
map data.
■ Speed limit sign display
If the power switch was last turned
off while a speed limit sign was dis-
played on the multi-information dis-
play, the same sign displays again
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