Lexus LS500h, Manual, Page: 218 / 524

218
4-5. Using the driving support systems
LS500h_OM_(U)_1810
a vehicle, pedestrian or bicyclist may not be
detected depending on the surrounding
brightness and the motion, posture, and
angle of the person, preventing the system
from operating properly. (

P.220)
The illustration shows an image of vehicles,
pedestrians and bicyclists.
■ Cancelation of pre-collision braking
and active steering assist
If either of the following occur while the
pre-collision braking function is operating, it
will be canceled:
● The accelerator pedal is depressed
strongly.
● The steering wheel is turned sharply or
abruptly.
■
Conditions under which the system may
operate even if there is no possibility of a
collision
●
In some situations such as the following,
the system may determine that there is a
possibility of a frontal collision and oper-
ate.
• When passing a vehicle, pedestrian or
bicyclist
• When changing lanes while overtaking a
vehicle, pedestrian or bicyclist
• When approaching a vehicle, pedestrian
or bicyclist in an adjacent lane or on the
roadside, such as when changing the
course of travel or driving on a winding
road
• When rapidly closing on a vehicle,
pedestrian, bicyclist, etc.
• When approaching objects on the road-
side, such as vehicle, pedestrian, bicyclist,
guardrails, traffic signs, utility poles, street
lights, trees, walls, etc.
• When there is a vehicle, pedestrian, bicy-
clist or object by the roadside at the
entrance of a curve
• When there are patterns or paint in front
of your vehicle that may be mistaken for a
vehicle, pedestrian or bicyclist
• When the front of your vehicle is hit by
water, snow, dust, etc.
• When overtaking a vehicle, pedestrian or
bicyclist that is changing lanes or making
a right/left turn
• When passing a vehicle, pedestrian or
bicyclist in an oncoming lane that is
stopped to make a right/left turn
• When a vehicle, pedestrian or bicyclist
approaches very close and then stops
before entering the path of your vehicle
• If the front of your vehicle is raised or low-
ered, such as when on an uneven or
undulating road surface