fuel SUBARU BRZ 2023 Owner's Manual

Meters and Gauges
129
Instruments and Controls3
– CONTINUED –
■Fuel GaugeThe fuel gauge shows the approximate
amount of fuel remaining in the tank.
When the ignition switch is in the “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).NOTEYou 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
GaugeThe temperature gauge shows engine
coolant temperature when the ignition
switch is in the “ON” position.
The coolant temperature will vary in
accordance with the outside temperature
and driving conditions.
We recommend that you drive moderately
until the pointer of the temperature gauge
reaches near the middle of the range.
Engine operation is optimum with the
engine coolant at this temperature range
and high revving operation when the
engine is not warmed up enough should
be avoided.
■ Outside TemperatureDisplays the outside temperature within
the range of -40°F (-40°C) to 122°F
(50°C). Low outside temperature indicator
comes on when the ambient temperature
is 37°F (3°C) or lower.NOTEThe outside temperature indicator
shows the temperature around the
sensor. However, the temperature may
not be indicated correctly or the
update may be delayed in the follow-
ing conditions.
 While parking or driving at low
speeds
 When the outside temperature
changes suddenly (example: when
going in and out of an underground
parking area or when passing through
a tunnel)
 When starting the engine after being
parked for a certain period of time
306783
B02099
CAUTION
If the pointer exceeds the normal
operating range, safely stop the
vehicle as soon as possible.Refer to "Engine Overheating"
 P319.
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Warning and Indicator Lights
131
Instruments and Controls3
– CONTINUED –
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
canceled even when the ignition switch
is turned to th e “OFF” position.■Auto Dimmer Cancel Func -
tionWhen the ambient light is bright, the illumi-
nation brightness is set to the maximum
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 bright-
ness 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 LightsSeveral of the warning and indicator lights
illuminate momentarily and then go out
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 igni-
tion switch to the “ON” position. For the
system check, the following lights illumi-
nate and 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.)
: Front passenger’s seatbelt warning
light (The seatbelt warning light turns
off only when the front seat passenger
fastens the seatbelt.)
: Rear passenger’s seatbelt warning
light (The seatbelt warning light turns
off only when the rear seat
passenger 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/ Malfunction indicator light : Coolant temperature high warning

light (red)
: Charge warning light : Oil pressure warning light
/ :ABS warning light
: Vehicle Stability Control (VSC)
warning light/Vehicle Stability
Control (VSC) operation indicator
light
: Vehicle Stability Control (VSC) OFF
indicator light
: TRAC OFF indicator light / :Brake system warning light (red)
:Power steering warning light
: Low tire pressure warning light (if
equipped)
: Low fuel warning light :Master warning light
If any lights fail to i lluminate, it indicates a
burned-out bulb or a malfunction of the
corresponding system.
Consult your authorized SUBARU dealer
for repair.
■ Seatbelt Warning Light
and ChimeYour vehicle is equipped with a seatbelt
warning device at the driver’s and
passenger’s seats, as required by current
safety standards.
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Warning and Indicator Lights
136■CHECK ENGINE 
Warning Light/
Malfunction Indicator LightIf this light illuminates steadily or blinks
while the engine is running, it may indicate
that there is at least one problem or poten-
tial problem somewhere in the emission
control system.
▼ If the light illuminates constantly
If the light illuminates constantly while
driving or does not turn off after the engine
starts, an emission control system
malfunction has been detected.
We recommend that you have your
vehicle checked by an authorized
SUBARU dealer immediately.
NOTEThis 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 coming on
could be a loose or missing fuel filler cap.
Remove the cap and retighten it until it
clicks. Make sure not hing is interfering
with the sealing of the cap. Tightening the
cap will not make the CHECK ENGINE
warning light/malfunction indicator light
turn off immediately. It may take several
driving trips. If the light does not turn off,
take your vehicle to your authorized
SUBARU dealer immediately.
▼ If the light is blinking
If the light is blinking while driving, an
engine misfire condition has been
detected which may damage the emission
control system.
To prevent serious damage to the emis-
sion control system, you should conform
to the following instructions.
 Reduce vehicle speed.
 Avoid hard acceleration.
 Avoid steep uphill grades.
 Reduce the amount of cargo, if
possible. The CHECK ENGINE warning light/
malfunction indicator light may stop

blinking and illuminate steadily after
several driving trips. You should have
your vehicle checked by an authorized
SUBARU dealer immediately.
■ Coolant Temperature
Low Indicator Light/
Coolant Temperature High
Warning Light
CAUTION
If the CHECK ENGINE warning light/
malfunction indicator 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 havi ng the emission
control system checked and
repaired as necessary could cause
serious damage, which may not be
covered by your vehicle’s warranty.
CAUTION
 After turnin g the ignition switch
to the “ON” position, if this indi-
cator light/warnin g light behaves
under any of the following condi-
tions, the electrical system may
be malfunctioning. Contact your
SUBARU dealer immediately for
an inspection.
- It remains blinking in RED.- It remains illuminated in RED for more than 2 seconds.- It remains blinking in RED and
BLUE alternately.
 While driving, if this indicator
light/warning light behaves under
any of the following conditions,
take the specified appropriate
measure listed below.
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Warning and Indicator Lights
138engine at the first safe opportunity and
contact your nearest SUBARU dealer
immediately.■ AT OIL TEMP Warning
Light (AT Models) 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, imme-
diately stop the vehicle in a safe place and
let the engine idle until the warning light
turns off.■ Low Tire Pressure
Warning Light (If
Equipped)When the ignition switch is turned to the
“ON” position, the low tire pressure
warning light will illuminate for approxi-
mately 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 go out.
Each tire, including the spare (if provided),
should be checked monthly when cold
and inflated to the inflation pressure
recommended by the vehicle manufac-
turer on the vehicle placard or tire inflation
pressure label. (If your vehicle has tires of
a different size than the size indicated on the vehicle placard or tire inflation pres-
sure 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 illumi-
nates 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 TP MS is not a substi-
tute for proper tire maintenance, and it is
the driver’s responsibility to maintain
correct tire pressure, even if under-infla-
tion 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 no t operating properly.
The TPMS malfunction indicator is
combined with the low tire pressure tell-
tale. When the system detects a malfunc-
tion, 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
malfunction indicator is illuminated, the
system may not be able to detect or signal
low tire pressure as intended. TPMS
malfunctions 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 properly. 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 minute, have the system inspected by
your nearest SUBARU dealer as soon as
possible.
WARNING
If this light does not illuminate
briefly after the ig nition 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.
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Warning and Indicator Lights
141
Instruments and Controls3
– CONTINUED –
If the brake system warning light should
illuminate while driving (with the parking
brake fully released and with the ignition
switch positioned in “ON”), it could be an
indication of leaking of brake fluid or worn
brake pads. If this occurs, immediately
stop the vehicle at the nearest safe place
and check the brake fluid level. If the fluid
level is below the “MIN” mark in the reser-
voir, do not drive the vehicle. Have the
vehicle towed to the nearest SUBARU
dealer for repair.▼ Electronic Brake Force Distribution
(EBD) system warning
If the warning light remains on even
though the parking brake is released, the
brake fluid level may be low or there could
be a problem with the EBD system. Park
the vehicle in a safe place immediately
and contact a SUBARU dealer.
▼ Vacuum pressure system warning
The brake system warning light will illumi-
nate when the vacuum pressure sensor is
malfunctioning or brake booster pressure
is decreasing. If the light continues to illu-
minate for several minutes after starting
the engine, there may be a malfunction in
the vacuum system. In this case, drive the
vehicle carefully and have the system
inspected by a SUBARU dealer.
■ Low Fuel Warning LightThe low fuel warning light illuminates
when the tank is nearly empty approxi-
mately 1.8 US gal (7.0 liters, or 1.5 Imp
gal). It only operates when the ignition
switch is in the “ON” position.■ Door Open IndicatorWhen any of the doors or the trunk lid is
not fully closed, the door open indicator
appears. This function is effective even if
the ignition switch is in the “OFF” or “ACC”
position.
The open door is indicated by the corre-
sponding part of the door open indicator.
Always make sure this indicator does not
appear before you start to drive.■ Power Steering
Warning LightWhile the engine is running, a warning
light illuminates and a buzzer sounds if a malfunction is detected in the electric

power steering system.
NOTEIf the steering wheel is operated in the
following ways, the power steering
control system may temporarily limit
the power assist in order to prevent
the system components, such as the
control computer and drive motor,
from overheating.
 The steering wheel is operated
frequently and turned sharply while the
vehicle is maneuvered at extremely low
speeds, such as while frequently
turning the steering wheel during
parallel parking.
 The steering wheel remains in the
fully turned position for a long period
of time.
At this time, there will be more resis-
tance when steering. However this is
not a malfunction. Normal steering
CAUTION
Promptly put fuel in the tank when-
ever the low fuel warning light illu-
minates. Engine misfires as a result
of an empty tank could cause dam-
age to the engine.
CAUTION
When the power steering warning
light is illuminated, there may be
more resistance when the steering
wheel is operated. Drive carefully to
the nearest SUBARU dealer and
have the vehicle inspected immedi-
ately.
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Warning and Indicator Lights
149
Instruments and Controls3
– CONTINUED –
■Select Lever (AT Models
Only)/Gear Position Indicator1) Upshift indicator
2) Downshift indicator (AT models only)
3) Select lever (AT models only)/gear posi-
tion indicatorThis indicator shows the position of the
shift lever (MT models)/select lever (AT
models).
▼ Gear shift indicator (MT models)
When shifting up is recommended for
good fuel economy, the upshift indicator
blinks. Refer to "G ear shift indicator"
 P234. ▼
Upshift/downshift indicator (AT
models)
When the manual mode is selected, the
gear position indicator (which shows the
current gear selection) and the available
upshift/downshift indicator light up. Refer
to "Selection of Manual Mode" P239
■ Cruise Control Indi -
cator Light (White/
Green)/Cruise Control
Warning Light (Yellow)
(Models without the EyeSight
System)This light illuminates in white when the
“ON-OFF” switch is pressed to activate
the cruise control function. When vehicle
speed has been set to use the cruise
control function, this indicator is lighting in
green.
For details, refer to "Cruise Control
(Models without the EyeSight system)"
 P260.
If this light illuminates in yellow, do not use
the cruise control. Contact your SUBARU
dealer for an inspection.
NOTEIf this indicator light does not illumi-
nate even when you press the “ON-
OFF” switch, the cruise control sys-
tem may not operate properly. Have
your vehicle checked by your nearest
SUBARU dealer.■ Turn Signal Indicator
LightsThese lights show the operation of the
turn signal or lane change signal.
If the indicator lights do not blink or blink
rapidly, the turn signal bulb may be
burned out. Have your vehicle inspected
by your SUBARU dealer as soon as
possible.
12
3
702774
CAUTION
If the malfunction indicator light

(CHECK ENGINE warning light) illu-
minates, the cruise control warning
light (yellow) illuminates at the
same time. At this time, avoid driv-
ing at high speeds and have your
vehicle inspected at a SUBARU
dealer as soon as possible.
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Combination Meter Display (Color TFT)
153
Instruments and Controls3
– CONTINUED –
■Drive Information▼ Drive information (page 1)1) Voltmeter
2) Engine oil temperature gaugeThis screen displays the charging voltage
and engine temperature.
As voltage displayed may be different
from the actual battery voltage, use the
voltmeter as a guideline. ▼
Drive information (page 2)
1) Current fuel consumption
2) Average fuel consumption
3) Driving rangeThis screen displays the current rate of
fuel consumption, average fuel consump-
tion since the function was reset and esti-
mated maximum distance that can be
driven with the quantity of fuel remaining.
 Pressing and holding will reset the
average fuel consumption.
 Use the displayed fuel consumption as
a reference.
 This distance is computed based on
your average fuel consumption. As a
result, the actual distance that can be
driven may differ from that displayed. 
When only a small amount of fuel is
added to the tank, the display may not be
updated. When refueling, turn the push-
button ignition switch off. If the vehicle is
refueled without turning the push-button
ignition switch off, the display may not be
updated.
▼ Drive information (page 3)
1) Average vehicle speed
2) Driving time
3) Driving distanceThis screen displays the average vehicle
speed since display was reset, cumulative
time the vehicle has been driven since
display was reset and the cumulative
distance the vehicle has been driven since
display was reset.
1
2
306795
1
2
3
306796
1
2
3
306797
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Wiper and Washer
183
Instruments and Controls3
– CONTINUED –
3-14. Wiper and Washer
NOTEThe windshield wiper motor is
protected against overloads by a
circuit breaker. If the motor operates
continuously under an unusually
heavy load, the circuit breaker may trip
to stop the motor temporarily. If this
happens, park your vehicle in a safe
location, turn off th e wiper switch, and
wait for approximately 10 minutes. The
circuit breaker will reset itself, and the
wipers will again operate normally.
 Clean your blade rubbers and
window glass periodically with a
washer solution to prevent streaking,
WARNING
In freezing weather, do not use the
windshield washer until the wind-
shield is sufficiently warmed by the
defroster.Otherwise the washer fluid can
freeze on the windshield, blocking
your view.
CAUTION
 Do not operate the washer contin-
uously for more than 10 seconds,
or when the washer fluid tank is
empty. This may cause over-
heating of the washer motor.
Check the washer fluid level
frequently, such as at fuel stops. Do not operate the wipers when
the windshield is dry. This may
scratch the glass, damage the
blade rubbers and cause the
wiper motor to bu rn out. Before
operating the wiper on a dry wind-
shield always use the windshield
washer.
 In freezing weather, be sure that
the blade rubbers are not frozen
to the windshield before
switching on the wipers.
Attempting to op erate the wiper
with the blade rubbers frozen to
the window glass could cause not
only the blade rubbers to be
damaged but also might cause
the wiper motor to fail. If the blade
rubbers are frozen to the window
glass, be sure to operate the
defroster before turning on the
wiper. If the wipers stop during opera-
tion because of ice or some other
obstruction on the window, this
might cause the wiper motor to
fail even if the wiper switch is
turned off. If this occurs,
promptly stop the vehicle in a
safe location, turn the ignition
switch to the “OFF” position and
clean the window glass to allow
proper wiper operation.
 Use clean water if windshield
washer fluid is unavailable. In
areas where water freezes in
winter, use SUBARU Windshield
Washer Fluid or the equivalent.
Refer to "Windshield Washer
Fluid" P366. 
Also, when driving the vehicle
when there are freezing tempera-
tures, use non-freezing type
wiper blades. Do not clean the wiper blades
with gasoline or a solvent, such
as paint thinner or benzine. This
will cause deterioration of the
wiper blades.
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Starting and Operating7
Starting and Operating
7-1. Fuel.......................................................................223
Fuel Requirements .......................................................223
Fuel Filler Lid and Cap .................................................224
7-2. State Emission Testing (U.S. Only) ...................227
7-3. Preparing to Drive ...............................................228
7-4. Starting and Stopping Engine ...........................229
Safety Precautions ............................................ ...........229
Operating Range for Push-Button Start System .......229
General Precautions When St arting Engine ..............229
Starting Engine .............................................................230
Stopping Engine ...........................................................232
When Access Key Fob Does Not Operate 
Properly.......................................................................232
Steering Lock ................................................................232
7-5. Manual Transmission .........................................233
Shifting Speeds ............................................................234
Driving Tips ...................................................................235
7-6. Automatic Transmission ....................................235
Select Lever ..... .......................................... ...................236
Adaptive Control...........................................................237
Shift Lock Function ......................................................238
Selection of Manual Mode ...........................................239
Driving Tips ...................................................................240
7-7. Driving Mode Select Switch (If Equipped) ........241
Normal Mode .................................................................241
Sport Mode ....................................................................241
Snow Mode....................................................................241
Driving Mode Select Switch.........................................241
7-8. Active Sound Control .........................................242
7-9. Power Steering ....................................................242
7-10. Braking...............................................................243
Braking Tips ..................................................................243 Brake System ............................................................... 244
Disc Brake Pad Wear Warning Indicators ................. 245
7-11. ABS (Anti-Lock Brake System) ........................245
ABS Self-Check............................................................ 245
ABS Warning Light ...................................................... 245
7-12. Electronic Brake Force Distribution (EBD)
System ...............................................................246
EBD System Malfunctions .......................................... 246
7-13. Vehicle Stability Control (VSC)/TRAC 
System ...............................................................247
Vehicle Stability Control (VSC) System ..................... 247
TRAC System ............................................................... 247
Vehicle Stability Control (VSC) System Monitor....... 248
Vehicle Stability Control (VSC) OFF Switch .............. 248
7-14. TRACK Mode .....................................................250
TRACK Mode ................................................................ 250
Selecting TRAC Mode and Ve hicle Stability Control
(VSC) Mode ............................................................... 251
7-15. Tire Pressure Monitoring System (TPMS) 
(If Equipped) ......................................................251
Certification for the Transmitter ................................. 253
Certification for the Receiver...................................... 253
TPMS Screen ................................................................ 254
Initializing the Tire Pressure Monitoring System ..... 254
How to Initialize the Tire Pressure Monitoring 
System (If Equipped) ................................................. 254
If You Press the Tire Pressure Monitoring Reset 
Switch Accidentally................................................... 254
Initialization Procedure ............................................... 254
When Initialization of the Tire Pressure Monitoring System has Failed ..................................................... 255
Registering ID Codes .................................................. 255
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Fuel
223
Starting and Operating7
– CONTINUED –
7-1. Fuel■Fuel RequirementsThe engine is designed to operate using
unleaded gasoline with an octane rating
of 93 AKI (98 RON) or higher .
If unleaded gasoline with an octane
rating of 93 AKI (98 RON) is not available,
unleaded gasoline with an octane rating of
91 AKI (95 RON) may be used with no
detriment to engine durability or
driveability.
However, you may notice a slight
decrease in maximum engine perfor-
mance and you may hear some knocking
(pinging) from the engine while using 91
AKI (95 RON) fuel. Use of 91 AKI (95 RON)
fuel will not affect your warranty
coverage.
▼ Fuel octane rating
Using a gasoline with a lower octane
rating can cause persistent and heavy
knocking, which can damage the engine.
Do not be concerned if your vehicle some-
times knocks lightly when you drive up a
hill or when you accelerate. See your
dealer or a qualified service technician if
you use a fuel with the specified octane
rating and your vehi cle knocks heavily or
persistently.
▽RON
This octane rating is the Research Octane
Number.
▽AKI
This octane rating is the average of the
Research Octane and Motor Octane
numbers and is commonly referred to as
the Anti Knock Index (AKI).
▼ Unleaded gasoline
The neck of the fuel filler pipe is designed
to accept only an unleaded gasoline filler
nozzle. Under no circumstances should
leaded gasoline be used because it will
damage the emission control system and
may impair driveability and fuel economy. ▼
Reformulated gasoline
SUBARU supports the use of reformu-
lated gasoline when available. Reformu-
lated gasoline has been blended to burn
more cleanly and reduce vehicle emis-
sions.
▼ MMT
Some gasoline contains an octane-
enhancing additive called MMT (Methylcy-
clopentadienyl Manganese Tricarbonyl). If
you use such fuels, your emission control
system performance may deteriorate and
the CHECK ENGINE warning light/
malfunction indicator light may turn on. If
this happens, return to your authorized
SUBARU Dealer for service. If it is deter-
mined that the condition is caused by the
type of fuel used, repairs may not be
covered by your warranty.
▼ Gasoline for cleaner air
Your use of gasoline with detergent addi-
tives will help prevent deposits from
forming in your engi ne and fuel system.
This helps keep your engine in tune and
your emission cont rol system working
properly, and is a way of doing your part
for cleaner air. If you continuously use a
high quality fuel with the proper detergent
and other additives, you should never
CAUTION
Use of a fuel which is low in
quality or use of an inappropriate
fuel additive may cause damage
to the engine and/or fuel system. Some gas stations, particularly
those in high altitude areas, offer
fuels posted as regular octane
gasoline with an octane rating
below 93 AKI (98 RON). Use of
those fuels are not recom-
mended.
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