ECU SUBARU BRZ 2023 Owner's Guide

Trunk Lid
120
■To Open and Close the Trunk
Lid from OutsideThe trunk lid can be opened using the
keyless access function or remote keyless
entry system. For details, refer to the
following section.
Refer to "Opening trunk" P100.
To close the trunk lid, lightly press the
trunk lid down until the latch engages.NOTE Do not leave your valuables in the
trunk when you leave your vehicle.
 Under the following conditions, the
trunk can be opened without the
access key fob. - The trunk lock/unlock setting is
set to on.
- All doors are unlocked.
The trunk lock/unlock setting can be
changed by a SUBARU dealer. Contact
your SUBARU dealer to change the
setting.
- Parking on a slope, with the
rear of the vehicle lower than
its front. In this case, make
sure the trunk lid is fully open
and secure before loading or
unloading cargo.- Installing parts or accessories
that place excess weight on
the trunk lid. Install only
genuine SUBARU parts and
accessories.- Loading baggage or other
heavy items by throwing or
otherwise forcefully loading
them into the trunk. Always
load cargo with care.
 Do not push the trunk lid forcibly
to close it. It could deform the
metal. The trunk lid is equipped with
damper stays that hold the trunk
lid in place. Observe the following
precautions. 
Failure to do so may cause
damage to trunk lid damper
stays, resulting in a malfunction.
- Do not attach any foreign
objects such as stickers,
plastic sheets and adhesives
to damper stay rods.
- Do not touch damper stay
rods with gloves or other
fabric items.- Do not attach any accessories
other than genuine parts to
the trunk lid.- Do not apply la teral force to
damper stays or place your
hand on it.
 Do not pull on or disassemble the
trunk lid damper stays, or
dispose of them in a fire. Illustra-
tions on the trunk lid damper
stays indicate the following:
- : Do not pull- : Do not disassemble- : Do not dispose of in fire
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Trunk Lid
121
Keys and Doors2
– CONTINUED –
■To Open the Trunk Lid from
InsidePress and hold the trunk lid opener button
for more than 1 second.■ Internal Trunk Lid Release
HandleThe internal trunk lid release handle is a
device designed to open the trunk lid from
inside the trunk. In the event children or
adults become locked inside the trunk, the
handle allows them to open the lid. The
handle is located on the inside of the trunk
lid. To open the trunk lid from inside the trunk,

pull the yellow handle as indicated by the
arrow on the handle. This operation
unlocks the trunk lid. Then, push up the
lid.
The handle is made of material that
remains luminescent for approximately an
hour in the dark trunk space after it is
exposed to ambient light even for a short
time.
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204141
WARNING
Never allow any child to get in the
trunk and play with the release han-
dle. If the driver starts the vehicle
without knowing that a child is
inside the trunk and the child opens
the lid using the release handle, the
child could fall out and be killed or
seriously injured.
CAUTION
 Do not close the lid while gripping
the release handle. The handle
may be damaged. Do not use the handle as a hook
to fasten straps or ropes to
secure your cargo in the trunk.
Such use may result in damage of
the handle. Load the trunk so that cargo
cannot strike the release handle.
If the cargo hits the handle while
the vehicle is being driven, the
handle may be pulled and the
trunk lid may open. That may
cause cargo to fall out of the
trunk, which could create a traffic
safety hazard.
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Instruments and Controls3
Instruments and Controls
3-1. Push-Button Ignition Switch ..............................125
Safety Precautions ............................................ ...........125
Operating Range for Push-Button Start System .......125
Switching Power Status ...............................................125
When Access Key Fob Does Not Operate 
Properly.......................................................................126
3-2. Hazard Warning Flasher .....................................127
3-3. Meters and Gauges .............................................127
Speedometer .................................................................127
Tachometer ...................................................................127
Odometer and Double Trip Meter................................128
Fuel Gauge ....................................................................129
Engine Coolant Temperature Gauge ..........................129
Outside Temperature ...................................................129
Combination Meter Settings ........................................130
3-4. REV indicator light and buzzer ..........................130
3-5. Illumination Brightness Control ........................130
Auto Dimmer Cancel Function ....................................131
3-6. Warning and Indicator Lights ............................131
Seatbelt Warning Light and Chime .............................131
SRS Airbag System Warning Light .............................135
Front Passenger’s Frontal Airbag ON and OFF Indicators ....................................................................135
CHECK ENGINE Warning Light/Malfunction 
Indicator Light ............................................................136
Coolant Temperature Low Indicator Light/Coolant Temperature High Warning Light .............................136
Charge Warning Light ..................................................137
Oil Pressure Warning Light .........................................137
AT OIL TEMP Warning Light (AT Models) .................138
Low Tire Pressure Warning Light (If Equipped) ........138
ABS Warning Light .......................................................140
Brake System Warning Light... ....................................140Low Fuel Warning Light .............................................. 141
Door Open Indicator .................................................... 141
Power Steering Warning Light ................................... 141
TRAC OFF Indicator Light........................................... 142
Vehicle Stability Control (VSC) Warning Light/

Vehicle Stability Control (VSC) Operation 
Indicator Light............................................................ 142
Vehicle Stability Control (VSC) OFF Indicator 
Light ........................................................................... 143
Warning Chimes and Warning Indicator of the 
Keyless Access with Push-Button Start System.... 143
Security Indicator Light............................................... 148
Drive Mode Indicator Light (If Equipped) .................. 148
Select Lever (AT Models Only)/Gear Position 
Indicator ..................................................................... 149
Cruise Control Indicator Light (White/Green)/ 
Cruise Control Warning Light (Yellow) (Models 
without the EyeSight System) .................................. 149
Turn Signal Indicator Lights ....................................... 149
High Beam Indicator Light .......................................... 150
High Beam Assist Indicator (If Equipped) ................. 150
Automatic Headlight Beam Leveler Warning 
Light ............................................................................ 150
LED Headlight Warning Light ..................................... 150
Steering Responsive Headlight OFF Indicator 
Light (If Equipped) ..................................................... 150
Steering Responsive Headlight Warning Light 
(If Equipped)............................................................... 150
Headlight Indicator Light ............................................ 150
Hill Start Assist Indicator Light .................................. 150
BSD/RCTA Warning Indicator (If Equipped).............. 150
BSD/RCTA OFF Indicator (If Equipped) ..................... 150
Icy Road Surface Warning Indicator .......................... 151
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Warning and Indicator Lights
133
Instruments and Controls3
– CONTINUED –
If the seatbelt warning system for the front
passenger’s seat does not function
correctly (e.g., it is activated even when
the front passenger’s seat is empty or it is
deactivated even when the front
passenger has not fastened his/her
seatbelt), take the following actions. 
Ensure that no article is placed on the
seat other than a ch ild restraint system
and its child occupant, although we
strongly recommend th at all children sit in
the rear seat properly restrained.
 Ensure that the backward-forward
position and seatback of front passenger’s
seat are locked into place securely by
moving the seat back and forth.
If still the s eatbelt warning system for front
passenger’s seat does not function
correctly after taking relevant corrective
actions described above, immediately
contact your SUBARU dealer for an
inspection.
▼ Rear passenger’s seats1) Rear seat (left position)
2) Rear seat (right position)With the ignition switch turned to the “ON”
position, the seatbelt warning light and
chime reminds the rear passenger to
fasten their seatbelt by illuminating the
warning lights in the locations indicated in
the above illustration and sounding a
chime.
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
seatback. 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"Front Seats" P30
WARNING
 The driver must check that the all
passengers have fastened their
seatbelts properly since the
seatbelt warning system may not
detect passengers under the
following circumstances.
2
1
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Warning and Indicator Lights
145
Instruments and Controls3
– CONTINUED –
Inside warning
chime Outside warning
chime Status
Action
Ding, ding ...
(intermittent) ―The driver’s door is opened while the push-button
ignition switch is “ACC”. (in AT models, when the
select lever is in the “P” position.) Switch the push-button ignition switch to “OFF”, or
close the driver’s door.
When exiting the vehicle, be sure to switch the
push-button ignition switch to “OFF”.
The push-button ignition switch is switched to
“OFF” while the driver’s door is open. Close the driver’s door.
Ding Short beep
(2 seconds) Lockout warning:
The doors are locked by following methods when
an access key fob is left in the car.

The door is closed when the lock lever of the
door is in the lock position.
 The door is closed when the power door locking
switch is in the lock position. Take out the access key fob from the vehicle, and
lock the doors.
The doors cannot be locked while the access key
fob is inside the vehicle.
A chirp sound will be heard, and all doors will be
unlocked.
― Short beep
(2 seconds) Access key lock-in warning:
The door lock sensor is touched while the push-
button ignition switch is “OFF” and the access key
fob is inside the vehicle. Take out the access key fob from the vehicle, and
lock the doors.
If the access key fob is in
side the vehicle, the doors
cannot be locked.
― Short beep (5 sec-
onds) Door ajar warning:
The door lock sensor is touched while the ignition
switch is in the “OFF” position and one of the doors
is opened. Close the doors securely and lock them.
If one of the doors is opened, the doors cannot be
locked.
Ding Long beep (60 sec-
onds max.) Power warning:
For AT models, the door lock sensor is touched
while you are carrying t
he access key fob, the
push-button ignition switch is in a position other
than “OFF” and the select lever is in the “P” posi-
tion. Return the access key fob inside the vehicle, or
switch the push-button ignition switch to “OFF”.
If the push-button ignition switch is not switched to
“OFF”, the doors cannot be locked.
Ding, ding ... (7 seconds) ―Access key warning:
The vehicle is driven while
the access key fob is not
inside the vehicle. Carry the access key f
ob, and drive the vehicle.
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Warning and Indicator Lights
148■Security Indicator
LightThis indicator light shows the status of the
alarm system. It also indicates operation
of the immobilizer system.
In the event that an unauthorized key is
used (for example, the key is unregistered
or the ID code does not match), the power
is not switched to “ON” and the security
indicator light continues blinking.
If the indicator light does not blink in the
above conditions, it may indicate that
immobilizer system may be malfunc-
tioning. Contact your nearest SUBARU
dealer immediately.
▼ Alarm system
It blinks to show the driver the operational
status of the alarm system. For detailed
information, refer to "Alarm System"
 P114.
▼ Immobilizer system
The security indicator light starts blinking
in the following conditions.
 Immediately after the push-button igni-
tion switch is turned to the “OFF” position.
 Immediately after the driver’s door is
opened or closed when all of the following
conditions are met. - The push-button ignition switch is in

the “ON” or “ACC” position.
- The engine is not running.
In the event that an unauthorized key is
used (for example, the key is unregistered
or the ID code does not match), the power
is not switched to “ON” and the security
indicator light continues blinking.
If the indicator light does not blink in the
above conditions, it may indicate that
immobilizer system may be malfunc-
tioning. Contact your nearest SUBARU
dealer immediately.
In the event that an unauthorized key (for
example, an unauthorized duplicate) is
used, the security indicator light illumi-
nates. For details about the immobilizer
system, refer to "Immobilizer" P108.
NOTE The security indicator light remains
off in the followi ng conditions. It
means that the matching of the ID code
is completed and the immobilizer
system is deactivated, and it does not
indicate a malfunction. - While the engine is running
- The push-button ignition switch
has been turned to the “ON” or
“ACC” position and the driver’s
door has not been opened or closed
 Even if a malfunction occurs, such
as the security indicator light flashes irregularly, it will not affect the func-
tionality of the immobilizer system.
■
Drive Mode Indicator Light (If
Equipped)Drive mode indicator light
1) Sport mode
2) Snow modeThis light indicates the current drive mode.
For details of drive mode, refer to "Driving
Mode Select Switch (If Equipped)"
 P241.
2
1
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Center Information Display (CID)
162The setting adjustments to the following items can be manually changed to meet your personal requirements.
Item
Available settingsPage reference
for the vehicle
system opera- tion Page reference
for the setting
procedure
1st menu 2nd menu
3rd menu
General Clock
Time Setting
*1
Auto/Manual
172172
Time Setting
*2
Sync With Phone/Manual 172
Clock Format 12H/24H 170
Driver Profiles ―Default/4 users
*3
―
Display Display Off
Turn the screen off. ―170
Brightness Dial ON/OFF 130170
Brightness/Contrast Set and adjust the brightness and
contrast of the display.
170
170
Wi-Fi Wi-Fi
ON/OFF
*3
―
Connected to:
Select the registered devise.
Available Wi-Fi Networks Add
Wi-Fi Protected Setup PIN Setup/Push Button Setup
Registered Wi-Fi Networks ―
Wi-Fi Hotspot Wi-Fi Hotspot
ON/OFF
*4
―
Wi-Fi name (SSID):
―
Security Type: ―
Password: ―
Broadcast Frequency: 2.4 GHz/5 GHz
SSID Broadcast ON/OFF
Connected Devices: ―
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Center Information Display (CID)
164*1: Models with SUBARU STARLINK Safety and Security
*2: Models without SUBARU STARLINK Safety and Security
*3: For details about the audio system, refer to the Owner’s Manual supplement for the audio system.
*4: For details, refer to the Owner’s Manual supp lement for SUBARU STARLINK Safety and Security.NOTETouch to display the explanation of the items.GeneralSoftware Update
Update
Check if a new software update
*4
―
Automatically Check for
Updates
ON/OFF
Automatically Download
Updates ON/OFF
SUBARU STARLINK
Apps Recovery ―
OK/Cancel
SUBARU STARLINK
Auto Connect ―
ON/OFF
Factory Data Reset ―Reset/Cancel
System Information ――
Free/Open Source
Software Information ――
Item
Available settingsPage reference
for the vehicle
system opera- tion Page reference
for the setting procedure
1st menu 2nd menu
3rd menu
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Clock
173
Instruments and Controls3
■Setting the Clock Automati-
cally1. Turn the ignition switch to the “ON”
position.
2. Press (HOME).
3. Touch (Settings).
4. →“General”
5. →“Clock”
6. →“Time Setting” 7. Models with SUBARU STARLINK

Safety and Security: 
→ “AUTO” 
Models without SUBARU STARLINK
Safety and Security: 
→ “Sync With Phone”
▼ Models without SUBARU STAR -
LINK Safety and Security
The clock will be set and adjusted auto-
ma tically when a smartphone is

connected via Bluetooth
® for transferring
phonebook data.
1. Register the smartphone to the audio
system. For details, refer to “Bluetooth
SETTINGS” in the supplemental Owner’s
Manual for the audio system.
2. Transfer phonebook data to the
system. For details, refer to “Bluetooth SETTINGS” in the supplemental Owner’s

Manual for the audi o system. The clock
will be adjusted automatically.
NOTEFor models with out SUBARU STAR-
LINK Safety and Security: Depending
on the model of smartphone, the set-
tings of the connected smartphone
may need to be changed. (ex: For iOS
or other models, notification settings
may need to be activated.) For details,
check the instructions on connecting
smartphones.
▼ Models with SUBAR U STARLINK
Safety and SecurityThe clock will be set automatically where
a DCM (Data Communication Module in
vehicle cellular connection) signal is avail-
able.
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Light Control Switch
178NOTEEven when the operation conditions of
the high beam assist function are met,
there may be a case in which the high
beam assist indicator does not illumi-
nate.▼ How to temporarily lower the sensi -
tivity of the high beam assist func -
tion
The sensitivity of the high beam assist
function can be lowered by using the
following operations.
1. After turning the ignition switch to the
“ON” position, set the light control switch
to the “AUTO” position and push the
signal lever forward (high beam position).
2. After the high beam assist indicator on
the combination meter will illuminate, turn
the ignition switch to the “OFF” position.
3. Turn the ignition switch to the “ON”
position and within approximately 15
seconds, press the “ ” (following
distance setting) switch more than 10
times consecutively.
When the sensitivity of the high beam
assist function is lowered, the high beam
assist indicator light “ ” on the combina-
tion meter display (col or TFT) will flash.
NOTEThe sensitivity of the high beam
assist function cannot be lowered in
the following conditions. - Cruise control or Adaptive
Cruise Control indicator is illumi-
nated.
- The EyeSight warning indicator
(yellow) is illuminated
 The sensitivity of the high beam
assist function retu rns to normal level
the next time the ignition switch is
turned to the “OFF ” position and the
engine is restarted.
▼ How to change the headlight mode
manually
Change to the low beam:
 Set the light control switch to “ ”.
 Pull the lever while the high beam is
turning on and release it.
Change to the high beam:
Push the lever forward and release it.
At this time, the high beam assist function
will turn off, the high beam assist indicator
will turn off and the high beam indicator
light will turn on.NOTE After manually changing the head-
light mode to the high beam, if you turn on the high beam assist function, push

the lever forward and release it.
 When manually changing the head-
light mode to the high beam, if you turn
the light control switch to the “ ”
position, the parking lights, side
marker lights, tail lights and license
plate lights will turn on.
▼ Tips for the high beam assist
system
The high beam assist function recog-
nizes the condition surrounding the
vehicle based on the brightness of illumi-
nation ahead of your vehicle, etc. There-
fore, the headlight mode may switch in
some situations that do not match to the
driver’s sense.
 A bicycle or cargo cycle may not be
detected.
 Under the following situations, the
brightness of ambient illumination may not
be detected correctly and the high beam
assist function may not work properly. As
a result, the glare of the high beam may
disturb the oncoming vehicle or vehicle
ahead. Also, the low beam mode may
continue although there are no oncoming
vehicles and vehicles ahead. In the such
cases, change the headlight mode manu-
ally.
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