Toyota Prius V 2012 Quick Reference Manual page 289

2-4. Using other driving systems
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The pre-collision system is operational when
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Pre-collision seat belts (type A)
• Vehicle speed is greater than about 19 mph (30 km/h).
• The system detects sudden braking or skidding.
• The front occupants are wearing a seat belt.
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Pre-collision seat belts (type B)
• Vehicle speed is greater than about 4 mph (5 km/h).
• The speed at which your vehicle is approaching the obstacle or oncom-
ing vehicle is greater than about 19 mph (30 km/h).
• The front occupants are wearing a seat belt.
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Pre-collision brake assist:
• Vehicle speed is greater than about 19 mph (30 km/h).
• The speed at which your vehicle is approaching the obstacle or the
vehicle running ahead of you is greater than about 19 mph (30 km/h).
• The brake pedal is depressed.
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Pre-collision braking:
• Vehicle speed is greater than about 10 mph (15 km/h).
• The speed at which your vehicle is approaching the obstacle or the
vehicle running ahead of you is greater than about 10 mph (15 km/h).
• The pre-collision braking off switch is not pressed.
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PRIUS v_U (OM47674U)
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