TOYOTA 2011 Sienna - Manual (Page 360)

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2-4. Using other driving systems
2
Wh
en drivin
g
■ The pre-collision system is operational when
● Pre-collision seat belts (linked to the radar sensor):
• Vehicle speed is greater than about 3 mph (5 km/h).
• The speed at which your vehicle is approaching the obstacle or oncom-
ing vehicle is greater than about 18 mph (30 km/h).
• The front occupants are wearing a seat belt.
● Pre-collision seat belts (linked to brake operation):
• Vehicle speed greater than about 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 greater than about 18 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 18 mph (30 km/h).
• The brake pedal is depressed.
● Pre-collision braking:
• The pre-collision braking off button is not pressed.
• Vehicle speed is greater than about 9 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 9 mph (15 km/h).