Lexus LS460 User Manual page 323

CAUTION
Cautions regarding the assist contents of the system
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By means of alarms and brake control, the pre-collision system is intended to assist
the driver in avoiding collisions through the process of LOOK-JUDGE-ACT.
There are limits to the degree of assistance the system can provide, so please keep
in mind the following important points.
Assisting the driver in watching the road
●
The pre-collision system is only able to detect obstacles directly in front of the
vehicle, and only within a limited range. It is not a mechanism that allows careless
or inattentive driving, and it is not a system that can assist the driver in low-visibil-
ity conditions. It is still necessary for the driver to pay close attention to the vehi-
cle' s surroundings.
Assisting the driver in making correct judgment
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When attempting to estimate the likelihood of a collision, the only data available
to the pre-collision system is that from obstacles it has detected directly in front of
the vehicle. Therefore, it is absolutely necessary for the driver to remain vigilant
and to determine whether or not there is a possibility of collision in any given situ-
ation.
Assisting the driver in taking action
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The pre-collision system' s braking assist feature is designed to help reduce the
severity of a collision, and so only acts when the system has judged that a collision
is unavoidable. This system by itself is not capable of automatically avoiding a col-
lision or bringing the vehicle to a stop safely. For this reason, when encountering a
dangerous situation the driver must take direct and immediate action in order to
ensure the safety of all involved.
NOTICE
Precautions for cleaning the driver monitor sensor (vehicles with driver monitor
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system)
Gently wipe the sensor with a soft cloth to prevent damage.
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Wipe any excess dirt with a cloth dampened with neutral detergent, all liquids
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having been wringed out of the cloth. After that, wipe again with a dry cloth.
Do not use benzene, thinner, glass cleaners, wax, etc.
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LS460/LS460L_U (OM50D48U)
4-5. Using the driving support systems
323
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