Lexus LX 570 2009 Manual page 273

Obstacles not detected
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The sensor cannot detect plastic obstacles such as pylons. There may also be occa-
sions when the radar sensor cannot detect pedestrians, animals, bicycles, motorcy-
cles, trees, or snowdrifts.
The pre-collision system is operational when
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Seat belts (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 19 mph (30 km/h).
• The front occupants are wearing a seat belt.
Seat belts (linked to brake operation)
●
• Vehicle speed exceeds 19 mph (30 km/h).
• The system detects sudden braking or skidding.
• The front occupants are wearing a seat belt.
Brake assist
●
• Vehicle speed is above 19 mph (30 km/h).
• The speed at which your vehicle is approaching the obstacle or oncoming
vehicle exceeds 19 mph (30 km/h).
• The brake pedal is depressed.
AVS
●
• Vehicle speed is above 3 mph (5 km/h).
• The speed at which your vehicle is approaching the obstacle or oncoming
vehicle exceeds 19 mph (30 km/h).
2-4. Using other driving systems
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