Subaru Ascent (2022 year). Manual in english — page 11

(169,1)

CAUTION

Do not turn the ignition switch to the
“START” position while the engine
is running.

NOTE

To turn the key from the “ACC” to

“LOCK” position, the select lever must
be in the “P” position and the key must
be pushed in and turned.

If your registered key fails to start

the engine, pull out the key once (the
security indicator light will blink), and
then insert the key again and turn it to
the “START” position again to restart
the engine.

The engine may not start in the

following cases:

– The key grip is touching another
key or a metallic key holder.

– The key is near another key that
contains an immobilizer transpon-

der.
– The key is near or touching
another transmitter.

Key reminder chime

The reminder chime sounds when the
driver’s door is opened and the ignition
switch is in the “LOCK” or “ACC” position.

The chime stops under the following
conditions.

The ignition switch is turned to the “ON”

position.

The key is removed from the ignition

switch.

The driver’s door is closed.

Ignition switch light (if
equipped)

For easy access to the ignition switch in
the dark, the ignition switch light illumi-
nates when the driver’s door is opened or
when the driver’s door is unlocked using
the remote keyless entry transmitter.

The light remains illuminated for several
tens of seconds and then gradually turns
off under the following conditions.

The driver’s door is closed.

The doors are unlocked using the

remote keyless entry transmitter.

– CONTINUED –

Ignition switch (models without “keyless access with push-button start system”)

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The light turns off immediately under the
following conditions.

The ignition switch is turned to the “ON”

position.

All doors and the rear gate are locked

using the remote keyless entry transmitter.

3-2. Push-button ignition
switch (models with “keyless
access with push-button start
system”)

Safety precautions

Refer to “Safety precautions”

P121.

Operating range for push-
button start system

Antennas

Operating range

NOTE

If the access key fob is not detected

within the operating range of the anten-
nas inside the vehicle, the push-button
ignition switch and the engine start

cannot be operated.

Even when the access key fob is

outside the vehicle, if it is placed too
close to the glass, it may be possible to
switch the power or to start the engine.

Do not leave the access key fob in

the following places. It may become
impossible to operate the push-button
ignition switch and the engine start. It
may also cause a false warning to issue
although no malfunction actually oc-
curs, or not to issue a warning when
any malfunction occurs.

– On the instrument panel
– On the floor
– Inside the glove box
– Inside the door trim pocket
– On the rear seat
– In the cargo area

When operating the push-button

ignition switch or starting the engine,
if the access key fob battery is dis-
charged, perform the procedure de-
scribed in “Access key fob – if access
key fob does not operate properly”

P430. In such a case, replace the

battery immediately. Refer to “Repla-
cing battery of access key fob”

P480.

Push-button ignition switch (models with “keyless access with push-button start system”)

168

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Switching power status

Operation indicator

Push-button ignition switch

The power is switched every time the
push-button ignition switch is pressed.
1. Carry the access key fob, and sit in the
driver’s seat.
2. Shift the select lever into the “P”/“N”
position.
3. Press the push-button ignition switch
without depressing the brake pedal. Every
time the button is pressed, the power is
switched in the sequence of “OFF”, “ACC”,
“ON” and “OFF”. When the engine is
stopped and the push-button ignition
switch is in “ACC” or “ON”, the operation
indicator on the push-button ignition switch
illuminates in orange.

Power

status

Indicator color

Operation

OFF

Turned off

Power is turned

off.

ACC

Orange

The following

systems can be

used:

audio and ac-

cessory power

outlet.

Orange

(while engine is

stopped)

All electrical

systems can be

used.

Turned off

(while engine is

running)

CAUTION

When the push-button ignition

switch is left in “ON” (while the
engine is not running) or “ACC”
for a long time, it may result in
vehicle battery discharge.

Do not spill drinks or other liquids

on the push-button ignition
switch. It may cause a malfunc-
tion.

Do not touch the push-button

ignition switch with a hand soiled
with oil or other contaminants. It
may cause a malfunction.

If the push-button ignition switch

does not operate smoothly, stop
the operation. Contact a SUBARU
dealer immediately.

If the push-button ignition switch

does not illuminate even when
the instrument panel illumination
is turned on, have the vehicle
inspected at a SUBARU dealer.

If the vehicle was left in the hot

sun for a long time, the surface of
the push-button ignition switch
may get hot. Be careful not to
burn yourself.

NOTE

When operating the push-button

ignition switch, firmly press it all the
way.

If the push-button ignition switch is

pressed quickly, the power may not
turn on or off.

If the indicator light on the push-

button ignition switch flashes in green
when the push-button ignition switch is
pressed, steering is locked. When this
occurs, press the push-button ignition
switch while turning the steering wheel
left and right.

– CONTINUED –

Push-button ignition switch (models with “keyless access with push-button start system”)

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Battery drainage prevention func-
tion

When the push-button ignition switch is left
in the “ACC” or “ON” position for approxi-
mately 1 hour, the push-button ignition
switch will be automatically switched to
“OFF” to prevent the battery from going
dead.

When access key fob does
not operate properly

Refer to “Access key fob – if access key
fob does not operate properly”

P430.

3-3. Hazard warning flasher

The hazard warning flasher is used to warn
other drivers when you have to park your
vehicle under emergency conditions. The
hazard warning flasher works regardless
of the position of the ignition switch.

To turn on the hazard warning flasher,
push the hazard warning flasher switch on
the instrument panel. All the turn signal
lights and the turn signal indicator lights
will flash. To turn off the flasher, push the
switch again.

NOTE

When the hazard warning flasher is on,
the turn signals do not work.

3-4. Meters and gauges

NOTE

Some of the meters and gauges on the
combination meter use liquid-crystal
displays. You will find their indications
hard to see if you wear polarized
glasses.

Speedometer

The speedometer shows the vehicle
speed.

Tachometer

The tachometer shows the engine speed
in thousands of revolutions per minute.

CAUTION

Do not operate the engine with the
pointer of the tachometer in the red
zone. In this range, fuel injection will
be cut by the engine control module
to protect the engine from overrev-
ving. The engine will resume run-
ning normally after the engine speed
is reduced below the red zone.

Hazard warning flasher

170

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Odometer

TRIP RESET switch

Combination meter

This meter displays the odometer when
the ignition switch is in the “ON” position.
The odometer shows the total distance
that the vehicle has been driven.

NOTE

If you press the TRIP RESET switch
when the ignition switch is in the
“LOCK”/“OFF” or “ACC” position, the
odometer/trip meter will light up.
The indicators will turn off when:

The TRIP RESET switch is not oper-

ated for approximately 10 seconds.

The driver’s door is opened and then

closed.

Double trip meter

TRIP RESET switch

Combination meter

This meter displays the two trip meters
when the ignition switch is in the “ON”
position.
The trip meter shows the distance that the
vehicle has been driven since you last set
it to zero.

The display can be switched as shown in
the following sequence by pressing the
TRIP RESET switch.

To set the trip meter to zero, select the A

trip or B trip meter by pressing the TRIP
RESET switch and keep the knob pressed
for more than 2 seconds.

CAUTION

To ensure safety, do not attempt to
change the function of the indicator
during driving, as an accident could
result.

NOTE

If the connection between the com-

bination meter and battery is broken for
any reason such as vehicle mainte-
nance or fuse replacement, the data
recorded on the trip meter will be lost.

If you press the TRIP RESET switch

when the ignition switch is in the
“LOCK”/“OFF” or “ACC” position, the
odometer/trip meter will light up. It is
possible to switch between the A trip
meter and B trip meter indications while
the odometer/trip meter is lit up.
In addition, it is possible to reset the trip
meter by pressing and holding the TRIP
RESET switch.
The indicators will turn off when:

– The TRIP RESET switch is not
operated for approximately 10 sec-
onds.

– CONTINUED –

Meters and gauges

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– The driver’s door is opened and
then closed.

Fuel gauge

The fuel gauge shows the approximate
amount of fuel remaining in the tank.
When the ignition switch is in the “LOCK”/
“OFF” or “ACC” position, the fuel gauge
shows “E” even if the fuel tank contains
fuel.

The gauge may move slightly due to fuel
level movement in the tank (e.g., during
braking, turning or acceleration).
If you press the trip reset switch while the
ignition switch is in the “LOCK”/“OFF” or
“ACC” position, the fuel gauge’s dial will
light up and the needle will indicate the
amount of fuel remaining in the tank.

If, while the fuel gauge needle is indicating
the amount of fuel remaining in the tank,
you (a) do not press the trip reset switch for
10 seconds or (b) open and close the
driver’s door, the fuel gauge needle will
drop to the “E” position and the dial and
needle will turn off.

NOTE

You will see the “

” sign in the fuel

gauge.
This indicates that the fuel filler lid is
located on the right side of the vehicle.

Engine coolant temperature
gauge

Normal operating range

The engine coolant temperature gauge
shows engine coolant temperature when
the ignition switch is in the “ON” position.

The engine coolant temperature will vary
in accordance with the outside tempera-
ture and driving conditions.

We recommend that you drive moderately
until the pointer of the engine coolant
temperature gauge reaches near the mid-
dle of the range. Engine operation is
optimum with the engine coolant at this
temperature range and high revving op-
eration when the engine is not warmed up
enough should be avoided.

Meters and gauges

172

(175,1)

CAUTION

If the pointer exceeds the normal
operating range, safely stop the
vehicle as soon as possible.

Refer to “Engine overheating”

P425.

ECO gauge

The ECO gauge shows the difference
between the current rate of fuel consump-
tion and the average rate of fuel consump-
tion since the trip meter was last reset.

If the ECO gauge moves towards the right
side, this indicates better fuel efficiency.

NOTE

The ECO gauge shows only an

approximate indication of fuel effi-
ciency.

After resetting the trip meter, the

average rate of fuel consumption is not
shown until you have driven for 1 mile
(or 1 km). Before that time, the ECO
gauge does not operate.

Combination meter settings

Meter and vehicle settings can be set on
the combination meter.
Meter and vehicle settings can be set on
the combination meter display. Refer to
“Menu screens”

P200.

3-5. Illumination brightness
control

The instrument panel and the ambient
lighting illuminate under the following
conditions.

The light switch is in the “

” or “

”

position when the ambient light is dark.

The light control switch is in the “AUTO”

position and the headlights illuminate
automatically.

You can adjust the illumination brightness
for better visibility.

To brighten, turn the control dial upward.
To darken, turn the control dial downward.

– CONTINUED –

Illumination brightness control

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NOTE

When the control dial is turned fully

upward, the illumination brightness
becomes the maximum and the auto-
matic dimming function does not work
at all.

The brightness setting is not can-

celed even when the ignition switch is
turned to the “LOCK”/“OFF” position.

Auto dimmer cancel function

When the ambient light is bright, the
illumination brightness is set to the max-
imum regardless of the position of the
control dial. In this case, you cannot adjust
the illumination brightness by using the
control dial. When the ambient light is dark,
you can dim the illumination brightness as
described above.

The operational/non-operational setting
and sensitivity of the auto dimmer cancel
function can be changed by your SUBARU
dealer. Contact your SUBARU dealer for
details.

3-6. Warning and indicator

Initial illumination for system
check

Several of the warning and indicator lights
illuminate when the ignition switch is
initially turned to the “ON” position. This
permits checking the operation of the
bulbs.

Apply the parking brake and turn the
ignition switch to the “ON” position. For
the system check, several of the following
lights illuminate and then turn off after
several seconds or after the engine has
started.

: Seatbelt warning light (The seatbelt

warning light turns off only when the
driver fastens the seatbelt.)

: SRS airbag system warning light

: Front passenger’s frontal airbag ON

indicator light

: Front passenger’s frontal airbag OFF

indicator light

: CHECK ENGINE warning light/Mal-

function indicator light

: Charge warning light

: Oil pressure warning light

: AT OIL TEMP warning light

: Low tire pressure warning light (U.S.-

spec. models)

: ABS warning light

: Brake system warning light

: Low fuel warning light

: AWD warning light

: Power steering warning light

: Vehicle Dynamics Control warning light/

Vehicle Dynamics Control operation
indicator light

: Vehicle Dynamics Control OFF indicator

light

: Electronic parking brake indicator

light

If any lights fail to illuminate, it indicates a
burned-out bulb or a malfunction of the
corresponding system.
Consult your authorized SUBARU dealer
for repair.

Warning and indicator

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Seatbelt warning
light and chime

Your vehicle is equipped with a seatbelt
warning device at the driver’s and passen-
ger’s seats, as required by current safety
standards.

Driver’s and front passenger’s seats

With the ignition switch turned to the “ON”
position, this device reminds the driver and
front passenger to fasten their seatbelts by
illuminating the warning lights in the loca-
tions indicated in the following illustration
and sounding a chime.

Driver’s seat

1) Front passenger’s seat

Operation

When the ignition switch is turned to the
“ON” position, the driver’s and/or front
passenger’s warning light will illuminate,
then it will blink for several seconds. If the

seatbelt of the driver’s seat is not fastened,
the warning chime may make a peep
sound.

NOTE

If the driver’s and/or front passen-

ger’s seatbelt(s) are/is not fastened
while driving, the seatbelt warning
system operates as follows according
to the vehicle speed.

– The warning light will illuminate
when driving approximately 4 mph
(6 km/h) or less.
– The warning light will blink, and
the warning chime will make a peep
sound when driving between ap-
proximately 4 mph (6 km/h) and 13
mph (20 km/h). The warning chime
will stop when the vehicle stops.
– The warning light will blink, and
the warning chime will sound loudly
when 15 seconds have elapsed
while driving between approxi-
mately 4 mph (6 km/h) and 13 mph
(20 km/h).
– The warning light will blink, and
the warning chime will sound loudly
when driving approximately more
than 13 mph (20 km/h).

The warning light will turn off and the

warning chime will stop when the
seatbelt is fastened.

– CONTINUED –

Warning and indicator

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The seatbelt warning system can be

cancelled. However, when the ignition
switch is turned to the “ON” position
after it is turned to the “OFF” position,
the warning system settings will be
restored. For details about the warning
cancellation, contact a SUBARU dealer.

If there is no passenger on the front
passenger’s seat, the seatbelt warning
system for the front passenger’s seat will
be deactivated. The front passenger’s
seatbelt warning system monitors whether
or not there is a passenger on the front
passenger’s seat.

CAUTION

Observe the following precautions.
Failure to do so may prevent the
device from functioning correctly or
cause the device to fail.

Do not install any accessory such

as a table or TV onto the seat-
back.

Do not store a heavy load in the

seatback pocket.

Do not allow the rear seat occu-

pant to place his/her hands or
legs on the front passenger’s
seatback, or allow him/her to pull
the seatback.

Do not use front seats with their

backward-forward position and
seatback not being locked into
place securely. If any of them are
not locked securely, adjust them
again. For adjusting procedure,
refer to “Manual seat”

P35.

If the seatbelt warning system for the front
passenger’s seat does not function cor-
rectly (e.g., it is activated even when the
front passenger’s seat is empty or it is
deactivated even when the front passen-
ger has not fastened his/her seatbelt), take
the following actions.

Ensure that no article is placed on the

seat other than a child restraint system and
its child occupant, although we strongly
recommend that all children sit in the rear
seat properly restrained.

Ensure that there is no article left in the

seatback pocket.

Ensure that the backward-forward po-

sition and seatback of front passenger’s
seat are locked into place securely by
moving the seat back and forth.

If still the seatbelt warning system for front
passenger’s seat does not function cor-
rectly after taking relevant corrective ac-
tions described above, immediately con-
tact your SUBARU dealer for an inspec-

tion.

Rear passenger’s seats

Second-row left seat

Second-row center seat*

Second-row right seat

Third-row right seat

Warning and indicator

176

(179,1)

Third-row center seat

Third-row left seat

*: Second-row bench seat models

The layout of those warning lights is shown
in the illustration. When the seatbelts are
not fastened, the warning lights for the
seats will illuminate or blink.

WARNING

The driver must check that the all

passengers have fastened their
seatbelts properly since the seat-
belt warning system may not
detect passengers under the fol-
lowing circumstances.

– When cushions or child re-

straint systems, etc., are used

– When a child or small adult is

sitting in the seat

Observe the following precau-

tions

– Do not apply any strong im-

pact to the rear seat.

– Do not fold the seatback for-

ward when objects are on the
seat.

– Do not spill liquid on the rear

seat. If liquid is spilled, wipe it
off immediately.

– Do not remove or disassemble

the rear seat.

NOTE

The seatbelt warning system of the

rear seats detects if any of the seats are
occupied by a passenger. Heavy cargo
or large pets on the rear seats may
result in the activation of the passenger
seatbelt warning light and chime. Fas-
tening the rear seatbelt prior to loading
cargo or large pets will avoid activating
the passenger seatbelt warning light
and chime.

When folding second- or third-row

seats, ensure that the seats are empty
prior to folding. Items caught between
the seat bottom and seatback, when
folded, may damage the seat surface or
activate the passenger seatbelt warn-
ing light and chime.

Operation

If passengers in the rear seats do not
fasten their seatbelts while the ignition
switch is turned to the “ON” position, the
seatbelt warning lights will illuminate or
blink to indicate that their seatbelts are not
fastened.

NOTE

If the rear passenger’s seatbelt(s)

are/is still not fastened while driving,
the seatbelt warning system operates
as follows according to the vehicle
speed.

– The warning light will illuminate
when driving approximately 4 mph
(6 km/h) or less.
– When driving approximately be-
tween 4 mph (6 km/h) and 13 mph
(20 km/h), if the seatbelts are not
fastened for 50 seconds, the seat-
belt warning lights will blink and a
warning chime will sound.
The chime will make a peep sound
for 15 seconds, and it then will
become louder and continue for 35
seconds. The warning light will
blink for 50 seconds, then it will
illuminate steadily and the chime
will stop.
– When driving more than approxi-
mately 13 mph (20 km/h), if seatbelts
are not fastened for 35 seconds, the
warning lights of the unfastening
seatbelts will blink and a chime will
sound loudly. If the rear seatbelts
are not fastened after 35 seconds,
the blinking warning light will illu-
minate steadily and the chime will
stop. The warning lights will con-

– CONTINUED –

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tinue to illuminate until their seat-
belts are fastened.

The warning light will turn off and the

warning chime will stop when the
seatbelt is fastened.

The seatbelt warning light can be

SRS airbag system
warning light

WARNING

If the warning light exhibits any of
the following conditions, immedi-
ately stop the vehicle in a safe place,
and consult a SUBARU dealer. Un-
less a technician checks and repairs
the system as needed, the seatbelt
pretensioners and/or the SRS airbag
will not operate properly in the event
of a collision, which may result in
injury.

Flashing or flickering of the warn-

ing light

No illumination of the warning

light when the ignition switch is

first turned to the “ON” position

Continuous illumination of the

warning light

Illumination of the warning light

while driving

For details about the components mon-
itored by the warning light, refer to “SRS
airbag system monitors”

P111.

Front passenger’s frontal air-
bag ON and OFF indicator
lights

: Front passenger’s frontal airbag ON in-

dicator lights

: Front passenger’s frontal airbag OFF

indicator lights

The front passenger’s frontal airbag ON

and OFF indicators show you the status of
the front passenger’s SRS frontal airbag.
The indicator is displayed on the center of
the instrument panel.
When the ignition switch is turned to the
“ON” position, both the ON and OFF
indicators illuminate for 6 seconds during
which time the system is checked. Follow-
ing the system check, both indicators turn
off for 2 seconds. After that, one of the
indicators illuminates depending on the
status of the front passenger’s SRS frontal
airbag determined by the SUBARU ad-
vanced frontal airbag system monitoring.
If the front passenger’s SRS frontal airbag
is activated, the passenger’s frontal airbag
ON indicator will illuminate while the OFF
indicator will remain off.
If the front passenger’s SRS frontal airbag
is deactivated, the passenger’s frontal
airbag ON indicator will remain off while
the OFF indicator will illuminate.
With the ignition switch turned to the “ON”
position, if both the ON and OFF indicators
remain illuminated or off simultaneously
even after the system check period, the
system is malfunctioning. Contact your
SUBARU dealer immediately for an in-
spection.

Warning and indicator

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CHECK ENGINE warn-
ing light/Malfunction
indicator light

CAUTION

If the CHECK ENGINE light illumi-
nates while you are driving, have
your vehicle checked/repaired by
your SUBARU dealer as soon as
possible. Continued vehicle opera-
tion without having the emission
control system checked and re-
paired as necessary could cause
serious damage, which may not be
covered by your vehicle’s warranty.

If this light illuminates steadily or blinks
while the engine is running, it may indicate
that there is at least one problem or
potential problem somewhere in the emis-
sion control system.

If the light illuminates steadily

If the light illuminates steadily while driving
or does not turn off after the engine starts,
an emission control system malfunction
has been detected.
You should have your vehicle checked by
an authorized SUBARU dealer immedi-
ately.

NOTE

This light also illuminates when the fuel
filler cap is not tightened until it clicks.

If you have recently refueled your vehicle,
the cause of the CHECK ENGINE warning
light/malfunction indicator light illuminating
could be a loose or missing fuel filler cap.
Remove the cap and retighten it until it
clicks. Make sure nothing is interfering with
the sealing of the cap. Tightening the cap
will not make the CHECK ENGINE warn-
ing light turn off immediately. It may take
several driving trips. If the light does not
turn off, take your vehicle to your author-
ized SUBARU dealer immediately.

If the light is blinking

If the light is blinking while driving, an
engine misfire condition has been de-
tected which may damage the emission
control system.
To prevent serious damage to the emis-
sion control system, you should do the
following.

Reduce vehicle speed.

Avoid hard acceleration.

Avoid steep uphill grades.

Reduce the amount of cargo, if possi-

ble.

Stop towing a trailer as soon as

possible.

The CHECK ENGINE warning light may
stop blinking and illuminate steadily after
several driving trips. You should have your
vehicle checked by an authorized
SUBARU dealer immediately.

Charge warning light

If this light illuminates when the engine is
running, it may indicate that the charging
system is not working properly.

If the light illuminates while driving or does
not turn off after the engine starts, stop the
engine at the first safe opportunity and
check the drive belt. If the belt is loose,
broken or if the belt is in good condition but
the light remains illuminated, contact your
nearest SUBARU dealer immediately.

Oil pressure warning
light

If this light illuminates when the engine is
running, it may indicate that the engine oil
pressure is low and the lubricating system
is not working properly.
If the light illuminates while driving or does
not turn off after the engine starts, stop the
engine at the first safe opportunity and
contact your nearest SUBARU dealer
immediately.

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CAUTION

Do not operate the engine with the
oil pressure warning light illumi-
nated. This may cause serious en-
gine damage.

Engine low oil level
warning light

This light illuminates when the engine oil
level decreases to the lower limit.
If the warning light illuminates, check the
engine oil level on a level surface. When
the engine oil level is not within the normal
range, refill with engine oil. Refer to
“Engine oil”

P450. After adding or chan-

ging the engine oil, warm up the engine
and stop it on a level surface, then start the
engine after a lapse of 1 minute or more.
Confirm that the warning light has turned
off after the engine has started. If the
warning light does not turn off after refilling
the engine oil, or the light illuminates even
though the engine oil level is within the
normal range, have the vehicle checked by
a SUBARU dealer.

NOTE

The oil level will be detected by the

system just after turning the ignition
switch to the “OFF” position. If the oil

level is below the lower limit when the
ignition switch is turned to the “ON”
position, the engine low oil level warn-
ing light will turn on.

When the vehicle is parked on a

steep slope, the engine low oil level
warning light may not illuminate even if
the oil level is below the lower limit to
avoid erroneous lighting.

Windshield washer
fluid warning light

This light illuminates when the fluid level in
the windshield washer fluid tank de-
creases to the lower limit (approximately
0.6 US qt, 0.6 liters, 0.5 Imp qt).

AT OIL TEMP warning
light

If this light illuminates when the engine is
running, it may indicate that the transmis-
sion fluid temperature is too hot.

If the light illuminates while driving, im-
mediately stop the vehicle in a safe place
and let the engine idle until the warning
light turns off.

Transmission control system warn-
ing

If the “AT OIL TEMP” warning light flashes
after the engine has started, it may indicate
that the transmission control system is not
working properly. Contact your nearest
SUBARU dealer for service immediately.

Rear differential oil
temperature warning
light (if equipped)

CAUTION

If the R.DIFF TEMP warning light
illuminates, reduce vehicle speed
and stop the vehicle in a safe loca-
tion as soon as possible. Continuing
to drive with this light illuminated
may damage the rear differential and
other parts of the powertrain.

If this light illuminates when the engine is
running, it may indicate that the rear
differential oil temperature is too hot.
If the light illuminates while driving, reduce
vehicle speed and stop the vehicle in the
nearest safe location. Park the vehicle for
several minutes. After the light turns off,
you can start driving.
If the light does not turn off, contact the
nearest SUBARU dealer for service.

Warning and indicator

180

(183,1)

NOTE

If the tire pressures are not correct

and/or the tires are not all the same size
and brand, the rear differential will be
heavily loaded when the vehicle is
driven, resulting in an abnormally high
oil temperature.

The rear differential oil will deterio-

rate if its temperature increases en-
ough for the rear differential oil tem-
perature warning light to illuminate. It is
advisable to have the rear differential
oil replaced as soon as possible.

Low tire pressure
warning light (U.S.-
spec. models)

When the ignition switch is turned to the
“ON” position, the low tire pressure warn-
ing light will illuminate for approximately 2
seconds to check that the tire pressure
monitoring system (TPMS) is functioning
properly. If there is no problem and all tires
are properly inflated, the light will turn off.
Each tire, including the spare (if provided),
should be checked monthly when cold and
inflated to the inflation pressure recom-
mended by the vehicle manufacturer on
the vehicle placard or tire inflation pres-
sure label. (If your vehicle has tires of a
different size than the size indicated on the

vehicle placard or tire inflation pressure
label, you should determine the proper tire
inflation pressure for those tires.)

As an added safety feature, your vehicle
has been equipped with a tire pressure
monitoring system (TPMS) that illuminates
a low tire pressure telltale when one or
more of your tires is significantly under-
inflated. Accordingly, when the low tire
pressure telltale illuminates, you should
stop and check your tires as soon as
possible, and inflate them to the proper
pressure. Driving on a significantly under-
inflated tire causes the tire to overheat and
can lead to tire failure. Under-inflation also
reduces fuel efficiency and tire tread life,
and may affect the vehicle’s handling and
stopping ability.
Please note that the TPMS is not a
substitute for proper tire maintenance,
and it is the driver’s responsibility to
maintain correct tire pressure, even if
under-inflation has not reached the level
to trigger illumination of the TPMS low tire
pressure telltale.
Your vehicle has also been equipped with
a TPMS malfunction indicator to indicate
when the system is not operating properly.
The TPMS malfunction indicator is com-
bined with the low tire pressure telltale.
When the system detects a malfunction,
the telltale will flash for approximately one

minute and then remain continuously
illuminated. This sequence will continue
upon subsequent vehicle start-ups as long
as the malfunction exists. When the mal-
function indicator is illuminated, the sys-
tem may not be able to detect or signal low
tire pressure as intended. TPMS malfunc-
tions may occur for a variety of reasons,
including the installation of replacement or
alternate tires or wheels on the vehicle that
prevent the TPMS from functioning prop-
erly. Always check the TPMS malfunction
telltale after replacing one or more tires or
wheels on your vehicle to ensure that the
replacement or alternate tires and wheels
allow the TPMS to continue to function
properly.
Should the warning light illuminate steadily
after blinking for approximately one min-
ute, have the system inspected by your
nearest SUBARU dealer as soon as
possible.

WARNING

If this light does not illuminate
briefly after the ignition switch is
turned ON or the light illuminates
steadily after blinking for approxi-
mately one minute, you should have
your Tire Pressure Monitoring Sys-
tem checked at a SUBARU dealer as
soon as possible.

– CONTINUED –

Warning and indicator

181

Instruments

and

controls

(184,1)

If this light illuminates while driving,
never brake suddenly and keep
driving straight ahead while gradu-
ally reducing speed. Then slowly
pull off the road to a safe place.
Otherwise an accident involving
serious vehicle damage and serious
personal injury could occur.

If this light still illuminates while
driving after adjusting the tire pres-
sure, a tire may have significant
damage and a fast leak that causes
the tire to lose air rapidly. If you have
a flat tire, replace it with a spare tire
as soon as possible.

When a spare tire is mounted or a
wheel rim is replaced without the
original pressure sensor/transmitter
being transferred, the Low tire pres-
sure warning light will illuminate
steadily after blinking for approxi-
mately one minute. This indicates
the TPMS is unable to monitor all
four road wheels. Contact your
SUBARU dealer as soon as possible
for tire and sensor replacement and/
or system resetting.

If the light illuminates steadily after
blinking for approximately one min-
ute, promptly contact a SUBARU
dealer to have the system inspected.

CAUTION

The tire pressure monitoring system
is NOT a substitute for manually
checking tire pressure. The tire
pressure should be checked peri-
odically (at least monthly) using a
tire gauge. After any change to tire
pressure(s), the tire pressure mon-
itoring system will not re-check tire
inflation pressures until the vehicle
is first driven more than 20 mph (32
km/h). After adjusting the tire pres-
sures, increase the vehicle speed to
at least 20 mph (32 km/h) to start the
TPMS re-checking of the tire infla-
tion pressures. If the tire pressures
are now above the severe low pres-
sure threshold, the low tire pressure
warning light should turn off a few
minutes later. Therefore, be sure to
install the specified size for the front
and rear tires.

ABS warning light

CAUTION

If any of the following conditions

occur, we recommend that you
have the ABS repaired at the first
available opportunity by your

SUBARU dealer.

– The warning light does not

illuminate when the ignition
switch is turned to the “ON”
position.

– The warning light illuminates

when the ignition switch is
turned to the “ON” position,
but it does not turn off even
after the vehicle is started.

– The warning light illuminates

during driving.

When the warning light is on (and

the brake system warning light is
off), the ABS function shuts
down. However, the conventional
brake system continues to oper-
ate normally.

The ABS warning light, Vehicle Dynamics
Control warning light, and brake system
warning light illuminate simultaneously if
the EBD system malfunctions. For further
details of the EBD system malfunction
warning, refer to “Electronic Brake Force
Distribution (EBD) system warning”

P183.

NOTE

If the warning light behavior is as
described in the following conditions,

Warning and indicator

182

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Subaru Ascent (2022 year). Manual in english — page 11

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