Lexus ES350, Manual, Page: 313 / 917

ES350_300h_OM_OM33A60U_(U)
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4-5. Using the driving support systems
4
Dr
iving
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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
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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 directly in the vehicle’s line of travel
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When the steep angle of the road causes a metal object located beneath the road
surface to be seen ahead of the vehicle
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When an extreme change in vehicle height occurs
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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
When the system is activated in the situations described above, there is also a possi-
bility 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 retracted position, stop the
vehicle in a safe place, release the seat belt and refasten it.
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Obstacles not detected
The sensor cannot detect plastic obstacles such as traffic cones. There may also be
occasions when the sensor cannot detect pedestrians, animals, bicycles, motorcy-
cles, trees, or snowdrifts.
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Situations in which the pre-collision system does not function properly
The system may not function effectively in situations such as the following:
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On roads with sharp bends or uneven surfaces
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If a vehicle suddenly moves in front of your vehicle, such as at an intersection
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If a vehicle suddenly cuts in front of your vehicle, such as when overtaking
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In inclement weather such as heavy rain, fog, snow or sand storms
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When your vehicle is skidding such as the VSC system off
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When your vehicle is steeply inclined
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When the axis of the radar is out of adjustment