Automatic Cancelation Of Pre-Collision System; Obstacles Not Detected; Conditions That May Trigger The Pre-Collision System Even If There Is No Possibility Of A Collision - Lexus GX 460 User Manual

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4-5. Using the driving support systems

Automatic cancelation of pre-collision system

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When a malfunction occurs due to sensor contaminations, etc. that results in the sensors
being unable to detect obstacles, the pre-collision system will be automatically disabled.
In this case, the system will not activate even if there is a collision possibility.

Obstacles not detected

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The system cannot detect plastic obstacles such as pylons. There may also be occasions
when the system cannot detect pedestrians, animals, bicycles, motorcycles, trees, or
snowdrifts.
Conditions that may trigger the system even if there is no possibility of a collision
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When there is an object by the roadside at the entrance to a curve
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When passing an oncoming vehicle on a curve
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When driving over a narrow iron bridge
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When there is a metal object on the road surface
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When driving on an uneven road surface (nose up, nose down)
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When passing an oncoming vehicle on a left turn
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When your vehicle rapidly closes on the vehicle in front
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When a grade separation/interchange, sign, billboard, or other structure appears to be
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directly in the vehicle' s line of travel
When a billboard or other metallic structure appears to be in the direct line of travel
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due to driving on a hill
When there are excessive changes in the vehicle height (when it tilts forwards or back-
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wards)
When the axis of the radar is out of adjustment
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When passing through certain toll gates
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When passing through an overpass
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When passing through a tunnel
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When the system is activated in the situations described above, there is also a possibility
that the seat belts will retract quickly and the brakes will be applied with a force greater
than normal. When the seat belt is locked in the restricted position, stop the vehicle in a
safe place, release the seat belt and refasten it.
When there is a malfunction in the system, or if the system is temporarily unusable
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Warning lights will turn on or flash, and warning messages will be displayed.
(P. 512, 523)
GX460_OM_OM60L72U_(U)
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