Lexus LS460 Owners Book page 299

Suspension control (if equipped):
●
• Vehicle speed is above 3 mph (5 km/h).
• The relative speed difference between your vehicle and another vehicle that
is forward of your vehicle, or the speed your vehicle is approaching an obsta-
cle is greater than 18 mph (30 km/h).
Steering gear control (VGRS) (with driver monitor system):
●
• Vehicle speed is above 18 mph (30 km/h).
• The relative speed difference between your vehicle and another vehicle that
is forward of your vehicle, or the speed your vehicle is approaching an obsta-
cle is greater than 18 mph (30 km/h).
Pre-collision alert braking (with driver monitor system):
●
• The pre-collision braking off switch is not pressed.
• The system determines that the driver is not facing forward.
• Vehicle speed is above 9 mph (15 km/h).
• The relative speed difference between your vehicle and another vehicle that
is forward of your vehicle, or the speed your vehicle is approaching an obsta-
cle is greater than 12 mph (20 km/h).
• The steering is not being turned.
Conditions that may trigger the system even if there is no danger of collision
■
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 there is a metal plate in the road in front of the vehicle on a downhill slope
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When there is a metal object such as a sign board in front of the vehicle on an
●
uphill slope
When driving on an uneven road surface
●
When passing an oncoming vehicle on a left-turn
●
When your vehicle rapidly closes on the vehicle in front
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When your vehicle is skidding with the TRAC/VSC system off
●
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 restricted position, stop the
vehicle in a safe place, release the seat belt and refasten.
2-4. Using other driving systems
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