SUBARU FORESTER 2016 SJ / 4.G Driving Assist Manual

Page 51 of 100

Pre-Collision Braking System
47
- When there is an obstacle on
a curve or intersection
- When narrowly passing a
vehicle or an object
- When stopping very close to
a wall or a vehicle in front
xIf there is cargo or installed
accessories, etc. that are pro-
truding over the edge of the
front bumper, the vehicle’s
length will increase and the
system may not be able to pre-
vent a collision.
xIf the driver operates the brake
pedal during automatic braking, the pedal may feel stiff; however, this is nor-
mal. By depressing the brake pedal further you can apply more braking force.
NOTE
xWhen the Pre-Collision Braking System OFF indicator light illuminates, this
function will not operate.
* Refer to page 51.
xSome unusual noises may be audible during automatic braking. This is
caused by the braking control and is normal.
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Page 52 of 100

Pre-Collision Braking System
48
■Detection of pedestrians
The EyeSight system can also detect
pedestrians. The EyeSight system detects
pedestrians from their size, shape and
movement. The system detects a pedestrian
when the contour of the head and shoulders
are clear and the left/right balance is
symmetrical.
WARNING
The EyeSight system’s Pre-Collision Braking function also treats pedestrians
as obstacles. However, depending on the conditions, there may be cases
when the system cannot detect a pedestrian. In the following conditions, the
possibility that the system may not be able to detect a pedestrian as an object
is particularly high.
xWhen pedestrians are walking in a group
xWhen a pedestrian is next to a wall or other obstacle
xWhen a pedestrian is using an umbrella
xWhen a pedestrian is wearing clothes that are a similar color to the sur-
rounding environment
xWhen a pedestrian is carrying bulky luggage
xWhen a pedestrian is bent over, crouching down or lying down
xWhen a pedestrian is in a dark location
xWhen a pedestrian suddenly jumps out into the field of view
Approx
3 1/3 ft -
6 2/3 ft
(1-2 m)
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Page 53 of 100

Pre-Collision Braking System
49
When there is an obstacle in the forward direction during driving, the system activates in the
following sequence in order to warn the driver, activate braking control, and active the brake
lights.
(1) Following Distance Warning:
When the system determines that there is a risk of collision, a buzzer sounds repeated short
beeps and the indicators on the meter display and the multi function display illuminate to
warn the driver.
The Following Distance Warning operates when Adaptive Cruise Control is not set.
When the driver depresses the brake pedal to decelerate and achieves a suitable following
distance, the warning is canceled.
(2) First Braking and Warning:
When the system determines that there is a high risk of collision with an obstacle in front, a
buzzer sounds repeated short beeps and the indicators on the meter display and the multi
function display illuminate to warn the driver, and braking control is activated. If the system
determines that the amount of evasive action (braking, steering, etc.) taken by the driver
has reduced the risk of collision, braking activation is canceled.
(3) Second Braking and Warning:
If the system then determines that the risk of collision is extremely high, the buzzer changes
to a continuous beeping sound and stronger braking control is activated. If, despite any eva-
sive action taken by the driver, the system subsequently determines that a collision is
unavoidable, braking control is continued.
When the vehicle stops, a buzzer sounds three short beeps and a single long beep. The
automatic braking function is cancelled approximately 2 seconds after the vehicle stops and
the vehicle starts creeping forward gradually.
Pre-Collision Braking System operation
& warningSecond braking
& warning First braking
Possible collision area Highly possible
collision areaExtremely highly possible
collision area
Obstacle
No brake controlCanada only
(For USA: on the
meter display)Short beeps
Repeated
short beeps
Strong
(Flash) Operating
systemMeter displayMulti function
display
Continuous
beep Moderate Strength of
Automatic Braking
Warning
buzzer type
Obstacle Detected
S00839
Following distance
warning
Following
distance
warning
First
braking &
warning
Second
braking &
warning

Page 54 of 100

Pre-Collision Braking System
50
When the Pre-Collision Braking System is activated utilizing first braking or second braking
(when the system determines that there is a high risk of collision with an obstacle in front), if
the driver depresses the brake pedal, the system determines that this is emergency braking
and activates braking assist automatically.
CAUTION
The Pre-Collision Braking System will not activate when the EyeSight warn-
ing light ( ) is illuminated or flashing, or when the EyeSight temporarily
stops.
NOTE
Neither primary Pre-Collision Braking nor secondary Pre-Collision Braking
will operate in the following conditions.
xWhen the vehicle speed is approximately 1 MPH (1 km/h) or lower, or
approximately 100 MPH (160 km/h) or higher.
xWhen the Vehicle Dynamics Control is functioning.
Pre-Collision Braking Assist operation
CAUTION
If the driver depresses the brake pedal manually while following distance
warning is activated, the Pre-Collision Braking Assist will not work. (The
vehicle decelerates with the normal braking force operated by the driver.)
NOTE
xPre-Collision Braking Assist function does not operate when the vehicle
speed is approximately 7 MPH (10 km/h) or less or 100 MPH (160 km/h) or
more.
xFor information about the braking assist function, refer to the Owner’s
Manual for your vehicle.

Page 55 of 100

Pre-Collision Braking System
51
When pressing and holding the Pre-Collision
Braking System OFF switch for approximately
2 seconds (or longer), a single short beep will
sound and the Pre-Collision Braking System
(including Pre-Collision Brake Assist) will turn
off. When this control is turned off, the Pre-
Collision Braking System OFF indicator light
on the instrument panel illuminates. To turn
the control back on, press and hold the Pre-
Collision Braking System OFF switch for
approximately 2 seconds or longer again.
When this control is turned on, the Pre-
Collision Braking System OFF indicator light
will turn off.
■Pre-Collision Braking System OFF indicator light
This indicator light illuminates when the
ignition switch is turned to the ON position,
and remains illuminated for approximately 7
seconds after the engine starts. It turns on
when the Pre-Collision Braking System is
turned off.
It also illuminates under the following
conditions.
xWhen the VDC OFF switch is pressed and
VDC is canceled
xWhen the EyeSight system has a
malfunction
* Refer to page 76.
xWhen the EyeSight system has stopped
temporarily
* Refer to page 77.
Turning off the Pre-Collision Braking System
NOTE
xWhen the Pre-Collision Braking System is turned off, the Pre-Collision
Throttle Management Control function is also turned off.
xEven when the Pre-Collision Braking System is turned off, if the ignition
switch is turned off and the engine is then restarted, the Pre-Collision
Braking System will be turned on. The system default setting when the
vehicle is restarted in “ON”.
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Page 56 of 100

52
Pre-Collision Throttle Management
When an obstacle is detected in front of the
vehicle, and the vehicle is stopped or travel-
ling very slowly, if the system determines that
the accelerator pedal has been depressed by
more than the necessary amount (due to
driver error), it greatly restricts engine output
and ensures that vehicle forward movement is
slower than normal in order to give the driver
additional time to brake or react.
During system operation, a buzzer will sound several short beeps and the lead vehicle indi-
cator and the following distance setting indicator will blink in the meter display. Also, a pop-
up screen will be displayed in the multi function display.
This function only activates when the transmission select lever is in the or position.
<Meter display> <Multi function display>
WARNING
Do not rely excessively on Pre-Collision Throttle Management. Pre-
Collision Throttle Management is not designed to help you avoid
collisions in many situations. Always check the selector lever and pedal
positions as well as the surrounding environment before starting and
operating the vehicle. Relying only on Pre-Collision Throttle
Management could result in an accident.
xPre-Collision Throttle Management is not designed to maintain the vehicle
in a stopped condition.
Repeated
short beeps
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DM
miles
S01003S00836
Obstacle Detected
Canada only
(For USA: on the meter display)

Page 57 of 100

Pre-Collision Throttle Management
53
Continued on next page Ÿ
xPre-Collision Throttle Management will not reduce acceleration under all
conditions. It is also not designed to prevent collisions.
xPre-Collision Throttle Management will operate when an obstacle is
detected in front. However, this function will not reduce acceleration in
cases where no obstacle is recognized (for example when approaching a
cliff, etc.)
xDo not intentionally depress the accelerator pedal excessively when there
are obstacles nearby. If the driver relies only on Pre-Collision Throttle
Management to control acceleration, collisions may occur.
xIf your vehicle is trapped on a railroad crossing and you are trying to
escape by driving through the crossing gate, the stereo cameras may rec-
ognize the crossing gate as an obstacle and Pre-Collision Throttle
Management system may activate. In this case, remain calm and either
continue to depress the accelerator pedal or turn off the Pre-Collision
Throttle Management system.
* Refer to page 57.
xPre-Collision Throttle Management may not activate depending on the fol-
lowing conditions:
- The distance between your vehicle and the obstacle, speed difference,
and lateral displacement (amount of offset)
- Recognition status of the stereo cameras
In particular, the function may not activate in the following cases:
• Bad weather (for example heavy rain, a blizzard or thick fog)
• When visibility is poor due to sand or smoke in the air
• When light is poor in the evening, early morning, or at night
• In a dark area (indoor parking area, etc.)
• When there is an obstacle outside the area illuminated by the head-
lights
• When affected by strong light from the front (for example sunlight at
sunrise or sunset headlight high beams, etc.)
• When there is snow, frost, dirt or dust on the windshield, or it is clouded
• When fluid has not been fully wiped off the windshield during or after
use of the window washer
• When obstacles cannot be correctly recognized due to water droplets
from rain or the washer, or the wiper blades obstructing the stereo cam-
eras’ field of view
• When the stereo cameras’ field of view is obstructed (for example by a
canoe on the roof of the vehicle)
• With low obstacles (low wall, crash barrier, low vehicle, etc.)
• When the size and height of an obstacle is smaller than the limitations
of the stereo cameras’ recognition capability
• With small animals or children
• With pedestrians who are sitting or lying down

Page 58 of 100

Pre-Collision Throttle Management
54
ŸContinued from previous page
• When the rear aspect of the
vehicle or object in front is
small (for example a trailer,
oncoming vehicle, etc.) or
when your vehicle is too
close to it (the system may
recognize another part of
the vehicle as its rear end,
and may not operate prop-
erly)
• When there is a fence, wall
or shatter, etc., with a uni-
form pattern (striped pat-
tern, brick, etc.) or with no
pattern in front
• When there is a wall or door
made of glass or a mirror in
front
• When an obstacle (another vehicle, motorcycle, bicycle, pedestrian, ani-
mal or child, etc.) cuts in from the side or jumps out suddenly
• When starting, if you change lanes and your vehicle is immediately behind
the obstacle
• On sharp curves, steep uphill grades or steep downhill grades
- When the system determines that steering operation by the driver is
intended as evasive action
xFor your safety, do not test the Pre-Collision Throttle Management function
by yourself. There is a possibility that the function will not work during the test
and this may cause an unexpected accident.
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Page 59 of 100

Pre-Collision Throttle Management
55
Continued on next page Ÿ
CAUTION
xIn the following situations, turn off Pre-Collision Throttle Management. Other-
wise Pre-Collision Throttle Management may activate unexpectedly.
- When the vehicle is being towed
- When loading the vehicle onto a carrier
- When a chassis dynamometer, free-rollers or similar equipment is used
- When a mechanic lifts up the vehicle, starts the engine and allows the
wheels to spin freely
- When passing hanging banners, flags or branches, or when thick/tall
vegetation is contacting the vehicle
- When performing sport driving on a racetrack, etc.
xThe Pre-Collision Braking System may activate in the following situations.
Therefore concentrate on safe driving.
- When your vehicle is close to the vehicle in front
- When passing through an automatic gate
- When your vehicle is in a location where the grade of the road changes
rapidly
- When passing through clouds of steam or smoke
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Page 60 of 100

Pre-Collision Throttle Management
56
ŸContinued from previous page
- When there is an obstacle on
a curve or intersection
- When narrowly passing a vehicle or object
- When stopping very close to a wall or a vehicle in front
NOTE
When the Pre-Collision Braking System is turned off, Pre-Collision Throttle
Management is also turned off.
* Refer to page 51.
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