Lexus LS460 - Page 372

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4-5. Using the driving support systems
4
Driving
LS460_EE (OM50D49E)
 Conditions that may trigger the system even if there is no danger of a collision
 When there is an object by the roadside at the entrance to a curve
 When passing an oncoming vehicle on a curve
 When driving over a narrow iron bridge
 When there is a metal object on the road surface
 When driving on an uneven road surface
 When passing an oncoming vehicle on a left-turn (left-hand drive vehicles)
or right-turn (right-hand drive vehicles)
 When your vehicle rapidly closes on the vehicle in front
 When a grade separation/interchange, sign, billboard, or other structure
appears to be directly in the vehicle’s line of travel
 When there is a metal plate in the road in front of the vehicle on a downhill
slope
 When climbing a steep hill causes an overhead billboard or other metallic
structure to appear directly in the vehicle’s line of travel
 When driving under an overpass
 When an extreme change in vehicle height occurs
 When passing through certain toll gates
 When driving through a lump of steam or smoke
 When the radar sensor moves off position due to its surrounding area being
subjected to a strong impact
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
retracted position, stop the vehicle in a safe place, release the seat belt and
refasten it.
 Obstacles not detected
The radar sensor cannot detect plastic obstacles such as traffic cones. There
may also be occasions when the sensor cannot detect pedestrians, animals,
bicycles, motorcycles, trees, or snowdrifts.
 A camera sensor cannot detect obstacles in the following situations:
 A camera sensor is directly receiving intense light, such as sunlight.
 Visibility is poor because of bad weather or other reasons.
 The sensor temperature is extremely high.
 The headlights are not turned on in darkness such as at night or in a tunnel.