
20
Pre-Collision Braking System
When there is the risk of a rear-end collision with a obstacle in front, the EyeSight system
helps to minimize or prevent a collision by warning the driver. If the driver still does not take
evasive action to avoid a collision, the brakes can be automatically applied just before the
collision in order to reduce impact damage, or if possible, prevent the collision. If the driver
takes evasive action to avoid a collision, Pre-Collision Brake Assist will operate in order to
help the driver to prevent the collision.
This system can be effective not only with direct rear-end collisions, but also with offset
rear-end collisions. This function can be activated when the select lever is in the
,
or
positions.
WARNING
•
Never use the Pre-Collision Braking System and Pre-Collision Brake Assist to
stop your car or avoid a collision under ordinary conditions. These functions
cannot prevent collisions under all conditions. If the driver relies only on the
Pre-Collision Braking System for Brake operation, collisions may occur.
•
When a warning is activated, pay attention to the front of the vehicle and its
surroundings, and operate the brake pedal and/or take other actions if nec-
essary.
•
The EyeSight Pre-Collision Braking System is primarily designed to pre-
vent rear-end collisions with other vehicles when possible and to minimize
damage and injuries in the event of a collision. In addition to other vehi-
cles, things such as motorbikes, bicycles and pedestrians can also be
treated as obstacles. However, there may be cases when detection is not
possible depending on a variety of conditions
*2
. For example, when a vehi-
cle is viewed from the side, oncoming vehicle, vehicles approaching in
reverse, small animals or children, or walls or doors are not likely to be
detected.
•
The Pre-Collision Braking System will operate at the point when it deter-
mines that a collision cannot be avoided and is designed to apply strong
braking force just before a collision. The result of this varies depending on
a variety of conditions
*2
. Because of this, performance of this function will
not always be the same.
•
When the Pre-Collision Braking System is activated, it will continue to
operate even if the accelerator pedal is partially depressed. However, it will
be canceled if the accelerator pedal is deeply depressed.
•
If the driver depresses the brake pedal or turns the steering wheel, the system
may determine that this constitutes evasive action by the driver, and the auto-
matic braking control may not activate in order to allow the driver full control.
•
When the difference in speed with the obstacle in front is the following fig-
ure
*1
or more, it may not be possible to avoid a collision. Even if the speed
difference is the following figure
*1
or less, in cases such as when another
vehicle cuts in front of you, or in other cases depending on visibility, the
condition of road surface and other factors
*2
, the function may be unable to
stop the vehicle or may not activate. Pre-Collision Brake Assist also may
not activate depending on the conditions
*2
listed below.
*1:For vehicles: approximately 30 MPH (50 km/h),
For pedestrians: approximately 21 MPH (35 km/h)
*2:Conditions
- Distance to obstacle in front of you, speed difference, proximity condi-
tions, lateral displacement (the amount of offset)
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