Lexus RX 450h Owner's Manual page 296

294 4-5. Using the driving support systems
Operational conditions
■
The pre-collision system is enabled and the system determines that the possibility of a frontal
collision with a detected object is high.
Each function is operational at the following speed
Pre-collision warning
●
Detectable objects
Vehicles
Bicyclists and pedestrians
Pre-collision brake assist
●
Detectable objects
Vehicles
Bicyclists and pedestrians
Pre-collision braking
●
Detectable objects
Vehicles
Bicyclists and pedestrians
*
: Applicable to vehicles designed for regions that detection of pedestrians and/or bicy-
clists is possible (P.290)
The system may not operate in the following situations:
If a 12-volt battery terminal has been disconnected and reconnected and then the vehicle
●
has not been driven for a certain amount of time
If the shift lever is in R
●
When the VSC OFF indicator is illuminated (only the pre-collision warning function will
●
be operational)
Object detection function
■
The system detects objects based on their
size, profile, motion, etc. However, an object
� � � � � � � � � � � � � � � � �
Vehicle speed
Approx. 10 to 180 km/h (7 to
110 mph)
Approx. 10 to 80 km/h (7 to
*
50 mph)
Vehicle speed
Approx. 30 to 180 km/h (20
to 110 mph)
Approx. 30 to 80 km/h (20
*
to 50 mph)
Vehicle speed
Approx. 10 to 180 km/h (7 to
110 mph)
Approx. 10 to 80 km/h (7 to
*
50 mph)
may not be detected depending on the sur-
rounding brightness and the motion, pos-
ture, and angle of the detected object,
Relative speed between your
vehicle and object
Approx. 10 to 180 km/h (7 to
110 mph)
Approx. 10 to 80 km/h (7 to
50 mph)
Relative speed between your
vehicle and object
Approx. 30 to 180 km/h (20
to 110 mph)
Approx. 30 to 80 km/h (20
to 50 mph)
Relative speed between your
vehicle and object
Approx. 10 to 180 km/h (7 to
110 mph)
Approx. 10 to 80 km/h (7 to
50 mph)