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EnglishStarting and operating -> Auto Start Stop system for your Subaru Forester 2019-2024
Auto Start Stop system
352
engine will be automatically stopped.
near hot engine or exhaust sys-
tem parts.
7-17. Auto Start Stop system
If you release the brake pedal with the
select lever kept in the “D” position, the
engine will be automatically restarted.
However, when the Auto Vehicle Hold ON
indicator light illuminates, the engine will
not restart.
.
Be sure to stop the engine if you
take a nap in the vehicle. If engine
exhaust gas enters the passen-
ger compartment, occupants in
the vehicle could die from carbon
monoxide (CO) contained in the
exhaust gas.
The Auto Start Stop system is designed to
automatically stop and restart the engine
when the vehicle is stationary for a short
period of time (while waiting for a traffic
light or in a traffic jam) after the engine has
warmed up. The system operates in order
to reduce fuel consumption, exhaust emis-
sions and undesired idling noise.
CAUTION
& System operation
.
.
If your vehicle has a bumper
under guard (optional), pay atten-
tion to blocks and other obstruc-
tions on the ground when park-
ing. The underspoiler could be
damaged by contact with them.
CAUTION
The Auto Start Stop system is de-
signed to automatically stop and
restart the engine for a short period
of time during idling. Do not use the
system when parking the vehicle
normally.
The braking power of the parking
brake may not be sufficient when
stronger braking power is
needed (e.g., when parking on a
steep slope while towing a trai-
ler).
Auto Start Stop indicator light (green)
If the engine is temporarily stopped by the
system, the Auto Start Stop indicator light
(green) on the combination meter will
illuminate in green. This indicator light will
turn off when the system restarts the
engine.
So that it can be used safely and comfor-
tably, in addition to driver operations, the
Auto Start Stop system is designed to
constantly monitor the vehicle conditions
as well as the environment inside and
outside the vehicle, in order to control
stopping and restarting of the engine.
NOTE
.
After starting the engine, if the
vehicle is left idling without being
driven, the Auto Start Stop system
After the vehicle has been completely
stopped by depressing the brake pedal
with the select lever in the “D” position, the
Auto Start Stop system 353
will not operate.
ahead position.
The steering wheel is not being oper-
ated.
– The coolant temperature is low.
– When the battery terminals have
been reconnected after replacing
the battery, etc.
.
Your vehicle is equipped with a
special high-performance battery.
When replacing the vehicle battery,
be sure to replace it with a genuine
SUBARU battery (or equivalent) de-
signed specifically for use in a
vehicle equipped with the Auto Start
Stop system. For details, we recom-
mend that you consult your
SUBARU dealer.
.
*1: Even if the malfunction indicator light
(CHECK ENGINE warning light) is illumi-
nated, the Auto Start Stop system may
operate when the system recovers from the
malfunction (Subaru Forester Wilderness
models only).
! Non-operational conditions
In any of the following cases, the Auto
Start Stop system will not operate.
.
When the Auto Start Stop warning light/
Auto Start Stop OFF indicator light
(yellow) is illuminating or flashing.
When the malfunction indicator light
(CHECK ENGINE warning light) is
illuminating.*1
The electronic parking brake is applied.
When the engine hood is opened.
When the CVT fluid is not sufficiently
warmed up.
When the temperature of the CVT fluid
is abnormally high.
When the vehicle battery is not in good
condition.
When using the climate control system,
the temperature difference between the
setting temperature and the tempera-
ture inside the vehicle is significant.
When using the climate control system,
the amount of air flow is significant.
NOTE
.
! Operational conditions
.
After the vehicle is stopped, the
engine may not automatically stop
under the following conditions.
– The vehicle is stopped on a road
with a steep slope.
The engine can be automatically stopped
by the Auto Start Stop system when all of
the following conditions are met.
.
.
.
.
.
.
.
.
The engine is sufficiently warmed up.
The engine hood is closed.
The driver’s door is closed.
The driver’s seatbelt is fastened.
The malfunction indicator light (CHECK
ENGINE warning light) is off.*1
The airflow mode selection is set to a
mode other than “ ” mode.
The rear window defogger is not in use.
X-MODE has been turned off (if
equipped).
– The vehicle is stopped by hard
braking.
.
.
.
.
.
After the vehicle is stopped, the
engine may not automatically stop
if the brake pedal is not fully de-
pressed. Make sure to depress the
brake pedal firmly when stopping
the vehicle.
In the following cases, it may take
some time for the Auto Start Stop
system to operate.
– When the battery is discharged
because the vehicle has not been
used for a long period of time,
etc.
.
.
.
.
After the vehicle is stopped, the engine will
be automatically stopped when the follow-
ing conditions are met.
*1: Even if the malfunction indicator light
(CHECK ENGINE warning light) is illumi-
.
The steering wheel is in the straight
– CONTINUED –
Auto Start Stop system
354
brake switch
When activating X-MODE (if equipped)
When the airflow mode selection set to
pedal is released. In this case, check the
surrounding area and restart the engine by
normal operation.
Also, when the Auto Vehicle Hold opera-
tion indicator light is illuminated, the
engine will not restart.
nated, the Auto Start Stop system may
operate when the system recovers from the
malfunction (Subaru Forester Wilderness
models only).
.
.
“
” mode.
.
When the climate control system can
no longer maintain the set temperature.
When unbuckling the driver’s seatbelt
When opening the driver’s door
When activating the rear window de-
fogger
When the Auto Vehicle Hold function is
released, refer to “Auto Vehicle Hold
function” �P347.
NOTE
The Auto Start Stop system may not
operate in the following cases:
.
.
.
NOTE
.
.
.
When the Auto Start Stop system is
in operation, the brake pedal may
feel stiff. However, this is not a
malfunction.
When the battery is discharged, the
engine will be automatically re-
started even if you keep the brake
pedal depressed.
In the following cases, the length of
time that the engine is temporarily
stopped by the Auto Start Stop
system may be shorter.
.
The malfunction indicator light
(CHECK ENGINE warning light) or
other warning lights on the combi-
nation meter are illuminated or
flashing.
You are driving the vehicle in a high-
elevation area.
.
.
! Engine restart non-operational
conditions
! Engine restart operational condi-
tions
WARNING
In any one of the following cases, the
engine will be automatically restarted even
if the brake pedal is kept depressed.
Do not open the engine hood when
the Auto Start Stop system is in
operation. It may cause the vehicle
to move while on a slope, the steer-
ing wheel operation may become
heavy, or the brakes may not work
well, which can create dangerous
conditions.
– When the climate control system
is in operation.
– When the outside temperature is
high, or when it is low (because
the climate control system can no
longer maintain the set tempera-
ture).
.
When slightly releasing the brake pedal
on road with a steep slope and the
vehicle begins rolling
When further depressing the brake
pedal
When depressing the accelerator pedal
When you move the select lever to the
“R” position.
.
.
.
– When consumption of electricity
by electrical components is high.
When the engine is automatically
restarted by the Auto Start Stop
system, the power provided via the
To ensure safety, the engine will not be
automatically restarted if the engine hood
is opened when the Auto Start Stop
system is in operation, even if the brake
.
.
.
When turning the steering wheel
When operating the electronic parking
Auto Start Stop system 355
accessory power outlet will be re-
duced. Depending on the connected
appliance, the power of the appli-
ance may temporarily turn off.
CAUTION
If the Auto Start Stop warning light
does not turn off after the engine has
started, the Auto Start Stop system
may be malfunctioning. We recom-
mend that you contact your author-
ized SUBARU dealer for an inspec-
tion.
! Auto Start Stop warning light
! Auto Start Stop OFF switch
Auto Start Stop OFF indicator light (yel-
low)
If the Auto Start Stop OFF switch is
pressed, operation of the Auto Start Stop
system will be disabled. The Auto Start
Stop OFF indicator light on the combina-
tion meter will then illuminate in yellow. If
the switch is pressed once more, the Auto
Start Stop system will turn on again. The
Auto Start Stop OFF indicator light will then
turn off.
Auto Start Stop warning light (yellow)
The Auto Start Stop warning light will
illuminate in yellow when initially turning
the ignition switch to the “ON” position. The
light will turn off after the engine has
started.
The Auto Start Stop warning light will flash
when the Auto Start Stop system is
malfunctioning. We recommend that you
contact your authorized SUBARU dealer
for an inspection.
Auto Start Stop OFF switch
While the engine is temporarily stopped by
the system, if the Auto Start Stop OFF
switch is pressed, the engine will be
restarted even if you do not release the
brake pedal.
– CONTINUED –
Auto Start Stop system
356
will not stop and the Auto Start Stop No
Activity Detected indicator light will illumi-
nate. It will turn off when the vehicle begins
to drive.
! Warning buzzer
NOTE
The buzzer will sound when the engine
hood is opened while the engine is
stopped by the Auto Start Stop system.
When this occurs, the buzzer will stop
sounding when the following operations
are performed.
.
If the engine is restarted when the
Auto Start Stop system is not opera-
tional and the ignition switch has
been turned to the “LOCK”/“OFF”
position, the Auto Start Stop system
will turn on again.
& Displaying the Auto Start
Stop system status
.
Be sure to turn the ignition switch to
the “LOCK”/“OFF” position when
leaving the vehicle. Failure to do so
could result in the battery dischar-
ging.
Approximate indications of the time that
the engine has been stopped by the Auto
Start Stop system and/or the amount of
fuel saved can be displayed on the
combination meter display (color LCD).
For details, refer to “Basic screens”
�P196.
.
The engine is restarted by normal
operation. (Refer to “Preparing to drive”
�P309.)
.
The ignition switch is turned to the
“LOCK”/“OFF” position.
! Auto Start Stop No Activity Detected
! Display of warning messages
indicator light
If a warning message is displayed on the
combination meter display (color LCD)
while driving, a malfunction may have
occurred in the Auto Start Stop system.
In this case, the Auto Start Stop warning
light will illuminate or flash in yellow. We
recommend that you have your vehicle
inspected at a SUBARU dealer as soon as
possible.
& System warning
So that it can be used safely and comfor-
tably, the Auto Start Stop system is
designed to constantly monitor the vehicle
conditions as well as the environment
inside and outside the vehicle in addition
to driver operations, and to provide various
warnings to the driver via the warning light
and/or indicator light illuminating or flash-
ing and a buzzer sounding. For details
about the warning light and indicator light,
refer to “Auto Start Stop warning light/Auto
Start Stop OFF indicator light (yellow)”
�P190.
Auto Start Stop No Activity Detected
indicator light
If the operational conditions are not met
when the vehicle is stopped, the engine
