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4-5. Using the driving support systems
Driving
■Conditions in which the function
may not operate or detect correctly
In the following situations, RSA does not
operate normally and may not recognize
signs, display the in correct sign, etc. However, this does not indicate a mal-
function.
●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 camera.
●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 cur-rently 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 compati-
ble sign is recognized.
●Side road speed signs may be
detected and displayed (if positioned 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 suf-
ficient or changes suddenly.
●When a sign intended for trucks, etc.
is recognized.
●The vehicle is driven in a country with
a different direction of traffic.
●The navigation system map data is
outdated.
●The navigation system is not operat-
ing.
●The speed information displayed on
the meter and on the navigation sys- tem may be different due to the navi-
gation system using map data.
■Speed limit sign display
If the engine switch was last turned off while a speed limit sign was displayed
on the multi-information display, the
same sign displays again when the engine switch is turned to ON.
■If “RSA Malfunction Visit Your
Dealer” is shown
The system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
■Customization
Some functions can be customized.
( P.577)
