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182
4-5. Using the driving support systems
system determines that the possibility of a
frontal collision with a vehicle or pedestrian
is high.
Each function is operational at the following
speeds:
Pre-collision warning:
●
• Vehicle speed is between approximately
7 and 110 mph (10 and 180 km/h). (For
detecting a pedestrian, vehicle speed is
between approximately 7 and 50 mph
[10 and 80 km/h].)
• The relative speed between your vehicle
and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more.
●
Pre-collision brake assist:
• Vehicle speed is between approximately
20 and 110 mph (30 and 180 km/h). (For
detecting a pedestrian, vehicle speed is
between approximately 20 and 50 mph
[30 and 80 km/h].)
• The relative speed between your vehicle
and the vehicle or pedestrian ahead is
approximately 20 mph (30 km/h) or
more.
●
Pre-collision braking:
• Vehicle speed is between approximately
7 and 110 mph (10 and 180 km/h). (For
detecting a pedestrian, vehicle speed is
between approximately 7 and 50 mph
[10 and 80 km/h].)
• The relative speed between your vehicle
and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more.
The system may not operate in the following
situations:
If a battery terminal has been discon-
●
nected 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 pre-collision
warning function will be operational)
■
Pedestrian detection function
The pre-collision system detects pedestri-
ans based on the size, profile, and motion of
a detected object. However, a pedestrian
may not be detected depending on the sur-
rounding brightness and the motion, pos-
ture, and angle of the detected object,
preventing the system from operating
properly. (P.184)
■
Cancelation of the pre-collision braking
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 or pedestrian
• 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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