2010 Lexus IS 350 Owners Manual - Page 295
2010 Lexus IS 350 Manual
Page 295 highlights
2-4. Using other driving systems
215
2-4. Using other driving systems
2
When driving
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The pre-collision system is operational when
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Pre-collision seat belt (linked to the radar sensor)
°
Vehicle speed is above 3 mph (5 km/h).
° The speed at which your vehicle is approaching the obstacle or oncoming
vehicle exceeds 18 to 24 mph (30 to 40 km/h).
°
The front occupants are wearing a seat belt.
●
Pre-collision seat belts (linked to brake operation)
°
Vehicle speed exceeds 18 mph (30 km/h).
°
The system detects sudden braking or skidding.
°
The front occupants are wearing a seat belt.
●
Pre-collision brake Assist
°
Vehicle speed is above 18 mph (30 km/h).
°
The speed at which your vehicle is approaching the obstacle or the vehicle is
greater than 18 to 24 mph (30 to 40 km/h).
°
The brake pedal is depressed.
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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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On slippery roads such as those covered with ice or snow
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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
●
In inclement weather such as heavy rain, fog, snow or sand storms
●
When your vehicle is skidding with the VSC system off
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Conditions that may trigger the system even if there is no danger of 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