Lexus LS500h, Manual, Page: 216 / 524

216
4-5. Using the driving support systems
LS500h_OM_(U)_1810
■
Changing the pre-collision warn-
ing timing
The pre-collision warning timing can
be changed on
(

P.90) of the
multi-information display. The warning
timing for the pedestrian and FCTA
(Front Cross Traffic Alert) system will
also be changed.
The warning timing setting is retained
when the power switch is turned off. How-
ever, if the pre-collision system is disabled
and re-enabled, the operation timing will
return to the default setting (middle).
1 Early
2 Middle
This is the default setting.
3
Late
■
Changing the pedestrian alert tim-
ing
If the pre-collision warning timing is
changed, the pedestrian alert and
FCTA (Front Cross Traffic Alert) timing
will also be changed accordingly.
■
Operational conditions
The pre-collision system is enabled and the system determines that the possibility of a frontal
collision with a vehicle, pedestrian/bicyclist, guardrail, etc. or a front side collision with a
vehicle is high. Each function is operational at the following speeds:
●
Pedestrian alert
● Pre-collision warning
objects Vehicle speed
Pedestrians Approx. 20 to 40 mph (30 to 65 km/h)
objects Vehicle speed
Relative speed between your
vehicle and object
Preceding vehicles
Approx. 3 to 110 mph (5 to
180 km/h)
Approx. 3 to 110 mph (5 to
180 km/h)
Bicyclists and pedestrians
Approx. 3 to 50 mph (5 to
80 km/h)
Approx. 3 to 50 mph (5 to
80 km/h)