Lexus LS460 2011 Owner's Manual page 373


Obstacles not detected
The sensor cannot detect plastic obstacles. There may also be occasions
when the radar sensor cannot detect pedestrians, animals, bicycles, motorcy-
cles, trees, or snowdrifts.

The camera sensor cannot detect obstacles in the following situations.

The camera sensor is directly receiving intense light, such as sunlight.

Visibility is poor because of the bad weather or other reasons.

The sensor temperature is extremely high.

The pre-crash safety system is operational when

Pre-crash seat belts
Operating conditions A
• Vehicle speed is above 5 km/h (4 mph).
• The relative speed difference between your vehicle and another vehi-
cle that is forward of your vehicle, or the speed at which your vehicle
is approaching an obstacle is greater than 30 km/h (19 mph).
• The front occupants are wearing a seat belt.
Operating conditions B
• Vehicle speed exceeds 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 above 30 km/h (19 mph).
• The relative speed difference between your vehicle and another vehi-
cle that is forward of your vehicle, or the speed at which your vehicle
is approaching an obstacle is greater than 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 above 15 km/h (10 mph).
• The relative speed difference between your vehicle and another vehi-
cle that is forward of your vehicle, or the speed your vehicle is
approaching an obstacle is greater than 20 km/h (13 mph).
LS460_EE
2-4. Using other driving systems
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