Limitations Of The Pre-Collision System; Determining The Direction The Driver Is Facing - Lexus GS350 Owner's Manual

CAUTION

Limitations of the pre-collision system

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Do not overly rely on the pre-collision system. Always drive safely, taking care to
observe your surroundings and checking for any obstacles or other road hazards.
Failure to do so may cause an accident resulting in death or serious injury.
Handling the radar sensor
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Observe the following to ensure the pre-collision system can function effectively.
Otherwise, the system may not function correctly and could result in an accident.
Keep the sensor and grille cover clean at all times.
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Clean the sensor and grille cover with a soft cloth so you do not mark or damage
them.
Do not subject the sensor or surrounding area to a strong impact.
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If the sensor moves even slightly off position, the system may become inaccurate
or malfunction. If the sensor or surrounding area is subject to a strong impact,
always have the area inspected and adjusted by your Lexus dealer.
Do not disassemble the sensor.
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Do not attach accessories or stickers to the sensor, grille cover or surrounding
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area.
Do not modify or paint the sensor and grille cover.
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Do not replace them with non-genuine parts.
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Determining the direction the driver is facing and whether the driver's eyes are
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open or closed
The direction the driver is facing and whether the driver' s eyes are open or closed
may not be determined correctly if the following conditions exist:
There is an object between the driver monitor sensor and the driver' s face, such
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as when the sensor is blocked.
A part of the driver' s face is covered.
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The sensor or the driver' s face is exposed to intense light such as sunlight.
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The driving posture is improper.
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4-5. Using the driving support systems
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