Lexus RX450H Manual page 326


The pre-crash safety system is operational when

Pre-crash seat belts (type A):
• Vehicle speed is greater than about 5 km/h (4 mph).
• The speed at which your vehicle is approaching the obstacle or the
vehicle running ahead of you is greater than about 30 km/h (19 mph).
• The front occupants are wearing a seat belt.

Pre-crash seat belts (type B):
• Vehicle speed is greater than about 30 km/h (19 mph).
• The system detects sudden braking or skidding.
• The front occupants are wearing a seat belt.

Pre-crash brake assist:
• Vehicle speed is greater than about 30 km/h (19 mph).
• The speed at which your vehicle is approaching the obstacle or the
vehicle running ahead of you is greater than about 30 km/h (19 mph).
• The brake pedal is depressed.

Pre-crash braking:
• The pre-crash braking off switch is not pressed.
• Vehicle speed is greater than about 15 km/h (10 mph).
• The speed at which your vehicle is approaching the obstacle or the
vehicle running ahead of you is greater than about 15 km/h (10 mph).
RX450h_EE
2-4. Using other driving systems
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