warning light SUBARU BRZ 2023 Owner's Manual

SRS Airbag (Supplemental Restraint System Airbag)
87
Seat, Seatbelt and SRS Airbags1
– CONTINUED –
▽Examples of the types of acci -
dents in which the SRS side
airbag and SRS curtain airbag
are not designed to deploy in
most cases1) The vehicle is involved in frontal colli- sion with another vehicle (moving or stationary).
2) The vehicle is struck from behind.
3) The vehicle pitches end over end.
In the event of accidents like those illus-
trated, the SRS side airbag and SRS
curtain airbag are not designed to deploy
in most cases.1) First impact
2) Second impact
A) SRS curtain airbag
B) SRS side airbagIn an accident where the vehicle is struck
from the side more than once, the SRS
side airbag and SRS curtain airbag deploy
only once on the first impact.
Example: In the case of a double side
impact collision, first with one vehicle and
immediately followed by another from the same direction, once the SRS side airbag

and SRS curtain airbag are activated on
the first impact, they will not be activated
on the second.
■ SRS Airbag System MonitorsSRS airbag system warning lightA diagnostic system continually monitors
the readiness of the SRS airbag system
(including seatbelt pretensioners) with the
ignition switch in the “ON” position. The
SRS airbag system warn ing light will show
normal system operation by illuminating
for approximately 6 seconds when the
ignition switch is turned to the “ON” posi-
tion.
The following components are monitored
by the indicator:
 Front impact sensor
1
3 2
102056
B
A
1
2
101410
102698
BRZ_U.book 87 ページ ２０２２年３月２９日　火曜日　午後３時５９分

SRS Airbag (Supplemental Restraint System Airbag)
88
- Right-hand side
- Left-hand side
 Airbag control module (including
impact sensor and rollover sensor)
 Frontal airbag module
- Driver’s side
- Front passenger’s side
 Knee airbag module
- Driver’s side
 Side impact sensor
- Center pillar left-hand side
- Center pillar right-hand side
- Forward of rear wheel house left-
hand side
- Forward of rear wheel house right-
hand side
- Door left-hand side
- Door right-hand side
 Side airbag module
- Driver’s side
- Front passenger’s side
 Curtain airbag module
- Right-hand side
- Left-hand side
 Front seatbelt pretensioner and adap-
tive force limiter
- Front passenger's side
 Front seatbelt pretensioner
- Driver's side
 Seatbelt buckle switch
- Front passenger’s side 
Front passenger’s occupant detection
sensor
 Front passenger’s frontal airbag ON
and OFF indicator
 All related wiring
■ SRS Airbag System
Servicing
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. Unless 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
warning 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
WARNING
 When discarding an airbag
module or scrapping the entire
vehicle damaged by a collision,
consult your SUBARU dealer. The SRS airbag has no user-
serviceable parts. Do not use
electrical test equipment on any
circuit related to the SRS airbag
system. For required servicing of
the SRS airbag, consult your
nearest SUBARU dealer.
Tampering with or disconnecting
the system’s wiring could result
in accidental inflation of the SRS
airbag or could make the system
inoperative, which may result in
serious injury.
CAUTION
If you need service or repair in
areas indicated in the following list,
have the work performed by an
authorized SUBARU dealer. The
SRS airbag control module, impact
sensors and airbag modules are
stored in these areas.
BRZ_U.book 88 ページ ２０２２年３月２９日　火曜日　午後３時５９分

Keys and Doors2
Keys and Doors
2-1. Keyless Access with Push-Button Start 
System .................................................................94
Safety Precautions ..... .......................................... ..........94
Locking and Unlocking with “Keyless Access” 
Entry Function ..............................................................97
Unlock Using PIN Code Access ..................................100
Power Saving Function ................................................102
Power Saving Function of Access Key Fob...............103
Disabling Keyless Access Function ...........................103
Selecting Audible Signal Operation (If Equipped).....105
Selecting Hazard Warning Flasher Operation ...........106
Warning Chimes and Warning Indicator ....................106
When Access Key Fob Does Not Operate 
Properly.......................................................................106
Replacing Battery of Access Key Fob ........................106
Replacing Access Key Fob..........................................106
Certification for Keyless Access with Push-Button 
Start System ...............................................................106
2-2. Immobilizer ..........................................................108
Security Indicator Light ...............................................108
Key Replacement..........................................................108
Certification for Immobilizer System ..........................108
2-3. Remote Keyless Entry System ..........................109
Locking the Doors ........................................................110
Unlocking the Doors ....................................................110
Opening the Trunk Lid .................................................110 Setting Audible Signal Operation (If Equipped)........ 110
Selecting Hazard Warning Flasher Operation........... 110
Vehicle Finder Function .............................................. 110
Sounding a Panic Alarm ............................................. 110
Replacing the Battery .................................................. 111
Replacing Lost Transmitters ...................................... 111
2-4. Door Locks ..........................................................111
Locking and Unlocking from the Outside ................. 111
Locking and Unlocking from the Inside .................... 112
Key Lock-In Prevention Function............................... 113
Battery Drainage Prevention Function ...................... 113
2-5. Alarm System ......................................................114
Alarm System Operation ............................................. 114
Arming the System ...................................................... 114
Disarming the System ................................................. 115
Alarm System Setting.................................................. 115
If You Have Accidentally Triggered the Alarm

System........................................................................ 116
2-6. Windows ..............................................................116
Power Window Operation ........................................... 117
Initialization of Power Window ................................... 118
2-7. Trunk Lid ..............................................................119
To Open and Close the Trunk Lid from Outside ....... 120
To Open the Trunk Lid from Inside ............................ 121
Internal Trunk Lid Release Handle ............................. 121
BRZ_U.book 93 ページ ２０２２年３月２９日　火曜日　午後３時５９分

Remote Keyless Entry System
110■Locking the DoorsPress the “ ” button to lock all doors and
fuel filler lid. An elec tronic chirp will sound
once and the hazard warning flashers will
flash once.
If any of the doors are not fully closed, an
electronic chirp sounds 5 seconds to alert
you that the doors are not properly closed.
When you close the door, it will automati-
cally lock and then the following will occur.
 An electronic chirp sounds once.
 The hazard warning flashers flash
once.■ Unlocking the DoorsPress the “ ” button to unlock the driver’s
door and the fuel filler lid. An electronic
chirp will sound twice and the hazard
warning flashers will flash twice. To unlock
all doors, briefly press the “ ” button again
within 5 seconds.NOTEIf the interval between the first and
second presses of the “ ” button (for
unlocking of all of the doors) is
extremely short, the system may not
respond.
■ Opening the Trunk LidPress and hold the “ ” button to open
the trunk lid. An electronic chirp will sound
once.
This operation setting can be changed by
a SUBARU dealer. Consult your SUBARU
dealer for details.■ Setting Audible Signal Oper -
ation (If Equipped)Using an electronic chirp, the system will
give you an audible signal when the doors
lock and unlock.
If desired, you can turn the audible signal
off by operating the center information
display. For details, refer to "Car settings"
 P165. Furthermore, the volume setting
of the audible signal can also be changed
by a SUBARU dealer. Consult your
SUBARU dealer for details.■ Selecting Hazard Warning
Flasher Operation
Using the hazard warning flasher, the
system will give you a visible signal when
the doors are locked or unlocked. If
desired, you can turn the hazard warning
flashers off by operating the center infor-
mation display. For details, refer to "Car
settings" P165. The setting can also be changed by a SUBARU dealer. Consult

your SUBARU dealer for details.
■ Vehicle Finder FunctionUse this function to find your vehicle
parked among many vehicles in a large
parking lot. Provided you are within 30
feet (10 meters) of the vehicle, pressing
the “ ” button three times in a 5-second
period will cause your vehicle’s horn to
sound once and its hazard warning
flashers to flash three times.NOTEIf the interval between presses is too
short when you press the “ ” button
three times, the system may not
respond to the signals from the remote
transmitter.■ Sounding a Panic AlarmTo activate the alarm, press the “PANIC”
button once.
The horn will sound and the hazard
warning flashers, headlights, side marker
lights, tail lights and map lights will flash.
To deactivate the panic alarm, press any
button on the remote transmitter. If a
button on the remote transmitter is not
pressed, the alarm will be deactivated
after approximately 60 seconds.
BRZ_U.book 110 ページ ２０２２年３月２９日　火曜日　午後３時５９分

Door Locks
113
Keys and Doors2
– CONTINUED –
▼How to operate the power door
locking switches
All doors and the fuel filler lid can be
locked and unlocked by pressing either
side of the power door locking switches
located on the driver’s side and the
passenger’s side doors.
1) Lock
2) UnlockNOTEMake sure that you do not leave the
key inside the vehicle before locking
the doors from the outside using the
power door locking switches.■ Key Lock-In Prevention
FunctionAll the doors will not lock when the power
door locking switch is pushed with the
door open while the ignition switch is in the
“ACC” or “ON” position.
NOTE When leaving the vehicle, make sure
you are holding the key before locking
the doors.
 The factory setting (default setting)
for this function is set as “operational”.
This function’s operational/non-opera-
tional setting can be changed by a
SUBARU dealer. Contact a SUBARU
dealer for details.
▼ Non-operation of key lock-in
prevention function
When the system is set so that it does not
operate, the doors are locked by the
following operation.
 If the lock lever is turned to the front
(“LOCK”) position with the driver’s door
open and the driver’s door is then closed
with the lock lever in that position, the
driver’s door is locked.
 If the spare key is used to lock the
driver’s door from the outside of the
vehicle, the door is locked.■ Battery Drainage Prevention
FunctionIf a door is not completely closed, the inte-
rior lights will remain illuminated as a
result. However, several lights are auto-
matically turned off by the battery
drainage prevention function to prevent
WARNING
Keep all doors locked when you
drive, especially when small chil-
dren are in your vehicle.Along with the proper use of
seatbelts, locking the doors
reduces the chance of being thrown
out of the vehicle in an accident.It also helps prevent passengers
from falling out by preventing a
door from being accidentally
opened, and intruders from unex-
pectedly opening doors and enter-
ing your vehicle.
202961
1 2
BRZ_U.book 113 ページ ２０２２年３月２９日　火曜日　午後３時５９分

Alarm System
114the battery from going dead. The following
interior lights are affect ed by this function.NOTEThe default setting for this function
is set as “operational”. The opera-
tional/non-operation al setting of this
function can be changed by a SUBARU
dealer. Contact your SUBARU dealer to
change the setting.
 When leaving the vehicle, please
make sure that all doors are completely
closed.
 The battery drainage prevention
function does not operate when the
ignition switch is in “ACC” or “ON”
position.
 The battery drainage prevention
function for the pu sh-button ignition
switch. For details, refer to "Battery
drainage prevention function" P126.
2-5. Alarm SystemThe alarm system helps to protect your
vehicle and valuables from theft. The horn
sounds and the hazard warning flashers
flash if someone attempts to break into
your vehicle.
The system can be armed or disarmed
with the keyless access function or access
key fob.
The system will not be activated when the
push-button ignition switch is in the “ACC”
or “ON” position.
Your vehicle’s alarm system has been set
for deactivation at the time of shipment
from the factory. You can set the system
for activation yourself or have it done by
your SUBARU dealer. Refer to "Alarm
System Setting" P115.■ Alarm System OperationWhen the alarm system is armed, it is trig-
gered by the opening any of the doors, the
trunk lid or engine hood.
The alarm system will activate the
following alarms when triggered.
 The vehicle’s horn will sound for 60
seconds.
 The hazard warning flashers, head-
lights, side marker lights, tail lights and
map lights will flash for 60 seconds.
NOTEThe alarm system can be set to trigger
the illumination of the map lights (illu-
minates only when the door interlock
switch is in the “DOOR” position).■ Arming the SystemThe alarm system becomes armed when
the following operation is performed.
1. Close all windows and turn the ignition
switch to the “OFF” position.
2. Carry the key and get out of the
vehicle.
3. Make sure that the engine hood is
locked.
4. Lock the doors using any of the
following methods.
Locking using the remote keyless
entry system. For details, refer to
"Remote Keyless Entry System"
 P109.
 Locking using the keyless access
function. For details, refer to "Locking
with the door lock sensor" P99.
 Locking using the power door
locking switch. For details, refer to
"Locking using power door locking
switch" P112.
Item Switch
posi-tion Automatically turn-
ing off
Map lights DOOR Approximately 20
minutes later
Ignition
switch light ―
Approximately 20
minutes later
BRZ_U.book 114 ページ ２０２２年３月２９日　火曜日　午後３時５９分

Alarm System
115
Keys and Doors2
– CONTINUED –
Security indicator light
NOTE
All doors, the trunk lid and fuel filler
lid will lock, an electronic chirp will
sound once, the hazard warning
flashers will flash once, and the secu-
rity indicator light will turn on.
 If any of the doors are not fully
closed, an electronic chirp sounds 5
seconds to alert you that the doors are
not properly closed. When you close
the door, doors will automatically lock
and the system will automatically arm
in 30 seconds.
5. Approximately 30 seconds later, the
system will enter surveillance state.
When the system is in surveillance state,
the security indicator light will then flash
slowly (once approximately every 3 seconds), indicating
that the system has
been armed for surveillance.
NOTE The system can be armed even if the
windows are open. Always make sure
that they are fully closed before arming
the system.
 If any of the following actions is
done during the standby period, the
system will not switch to the surveil-
lance state. - Doors (including the trunk lid)
are unlocked.
- Any door (including the engine
hood) is opened.
- Push-button ignition switch is
turned to the “ACC” position■Disarming the SystemPerform either of the following proce-
dures.
Briefly press a button (for less than 2
seconds) on the access key fob.
 Carry the access key fob and perform
either of the following procedures.
- Grip the door handle.
- Press the trunk opener button
- Unlock using the PIN code access.
The flashing of the security indicator light
will blinks slowly (once approximately every 3 seconds), indicating that the alarm

system has been disarmed.
▼ Emergency disarming
If you cannot disarm the system using the
access key fob, you can disarm the
system without using the access key fob.
The system can be disarmed if you turn
the ignition switch from the “OFF” position
to the “ON” position.
NOTEIf the access key fob battery is dis-
charged, perform the procedure
described in "Switching Power Status"
 P326. In such a case, replace the
battery immediately. Refer to "Replac-
ing Battery of Access Key Fob"
 P376.■ Alarm System SettingTo change the setting of your vehicle’s
alarm system for activa tion or deactiva-
tion, do the following.
1. Disarm the alarm system. Refer to
"Disarming the System" P115.
2. Sit in the driver’s seat and shut all
doors, the trunk lid and engine hood.
3. Turn the ignition switch to the “ON”
position.
204136
BRZ_U.book 115 ページ ２０２２年３月２９日　火曜日　午後３時５９分

Windows
1164. Hold down “ ” of the driver’s power
door locking switch, open the driver’s door
within the following 1 second, and wait 10
seconds without releasing the switch. The
setting will then be changed as follows.NOTEYou may have the above setting
change done by your SUBARU dealer.■ If You Have Accidentally
Triggered the Alarm System▼ To stop the alarmDo any of the following operations:
Press unlock button on the access key
fob.
 Turn the push-button ignition switch to
the “ACC” position.NOTEOnly registered keys will stop the
alarm. If the immobilizer transponder
is not registered, the alarm will not
stop.
2-6. WindowsNOTE In order to make opening and
closing the doors easier, completely
closed windows are linked to door
operations. Therefore, when a door is
opened, its window opens slightly. When a door is closed, its window

closes completely. However, if the
battery has discharged or is discon-
nected, this function will not operate.
 If the power window system detects
resistance, an impact or abnormality,
the window operation may be automat-
ically stopped to prevent further
jamming, entrapment or malfunction.
- The closing window slides down
slightly and stops.
- The opening window stops
sliding down.
 The power window system may
detect resistance, an impact or an
abnormality in the following cases. - A substantial sized object is
caught between the window and the
roof side (between the front pillar
and a point over the rear seat).
- A foreign object is caught
between the window and the roof
side (between the front pillar and a
point over the rear seat).
- The vehicle drives over a deep
pothole.
 The window cannot be closed for a
few seconds after th e window is auto-
matically stopped by the system.
Setting status Combination
meter display (color TFT) Horn
Activate AL ON Once
Deactivate AL OFF Twice
WARNING
To avoid serious personal injury
caused by entrapment, always con-
form to the follo wing instructions
without exception. When operating the power
windows, be extremely careful to
prevent anyone’s fingers, arms,
neck, head or other objects from
being caught in the window. Always lock the passengers’
windows using the lock switch
when children are riding in the
vehicle. Always carry the key when you
leave the vehicle for safety
reasons and never allow an unat-
tended child to remain in the
vehicle. Failure to follow this
procedure could result in injury
to a child operating the power
window.
BRZ_U.book 116 ページ ２０２２年３月２９日　火曜日　午後３時５９分

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.
204140
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.
BRZ_U.book 121 ページ ２０２２年３月２９日　火曜日　午後３時５９分

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
BRZ_U.book 123 ページ ２０２２年３月２９日　火曜日　午後３時５９分