214
4-5. Using the driving support systems
LS500h_OM_OM50F42U_(U)
• The relative speed between your vehicle
and the detected pedestrian, bicyclist or
vehicle ahead is approximately 20 mph
(30 km/h) or more. (For detecting a vehi-
cle approaching from the front left or
right side, the speed of the approaching
vehicle is between approximately 10 and
37 mph [15 and 60 km/h].)
● Pre-collision braking:
• Vehicle speed is between approximately
3 and 110 mph (5 and 180 km/h). (For
detecting a pedestrian or bicyclist, vehi-
cle speed is between approximately 3
and 50 mph [5 and 80 km/h].)
• The relative speed between your vehicle
and the detected pedestrian, bicyclist or
vehicle ahead is approximately 3 mph (5
km/h) or more.
● Active steering assist
• Vehicle speed is between approximately
25 and 50 mph (40 and 80 km/h). (For
detecting a pedestrian, vehicle speed is
between approximately 25 and 40 mph
[40 and 65 km/h] and for detecting a
guardrail, vehicle speed is between
approximately 37 and 50 mph [60 and
80 km/h].)
The system may not operate in the following
situations:
● If a 12-volt battery terminal has been dis-
connected and reconnected and then the
vehicle has not been driven for a certain
amount of time
● If the shift position is in R
● If VSC is disabled (only the pedestrian
alert and pre-collision warning function
will be operational)
● When there is insufficient safe or unob-
structed space for the vehicle to be
steered into
● When an object is approaching the area
the vehicle is to be steered into
■ Pedestrian and bicyclist detection func-
tion
The pre-collision system detects pedestri-
ans and bicyclists based on the size, profile,
and motion of the person. However, a
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 operat-
ing properly. (→P.216)
■ 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
preceding vehicle
• When overtaking a preceding vehicle
that is changing lanes
• When overtaking a preceding vehicle
that is making a left/right turn
• When passing a vehicle in an oncoming
lane that is stopped to make a right/left
turn
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