2023 SUBARU BRZ key battery

Remote Keyless Entry System
109
Keys and Doors2
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2-3. Remote Keyless Entry System
Access key fob
1) Lock/arm button
2) Unlock/disarm button
3) Trunk lid opener button
4) PANIC buttonThe remote keyless entry system has the
following functions.
 Locking and unlocking the doors and
fuel filler lid
 Opening the trunk lid
 Sounding a panic alarm
 Arming and disarming the alarm
system. For details, refer to "Alarm
System" P114.
The operable distance of the remote
keyless entry system is approximately 30
feet (10 meters). Ho wever, this distance
will vary depending on environmental
conditions. The system’s operable distance will be shorter in areas near a

facility or electronic equipment emitting
strong radio waves such as a power plant,
broadcast station, TV tower, or remote
controller of home electronic appliances.
NOTE The remote keyless entry system
will not be activa ted when the push-
button ignition switch is in any posi-
tion other than the “OFF” position.
 The hazard warning flashers will
flash once or twice when the access
key fob button is pressed in the
following cases. - When locking the doors
- When unlocking the doors
If desired, you can turn the hazard
warning flashers off by operating the
center information display. For details,
refer to "Car settings" P165. The set-
ting can also be changed by a
SUBARU dealer. Consult your
SUBARU dealer for details.
The setting of the Remote Keyless
Entry System operation can be
changed by your SUBARU dealer.
Consult your SUBARU dealer for
details. For details, refer to "Function
Settings and Adjustments Performed
by a Dealer" P391.
CAUTION
 Do not expose the remote trans-
mitter to severe shocks, such as
those experienced as a result of
dropping or throwing. Do not take the remote trans-
mitter apart except when
replacing the battery. Do not get the remote transmitter
wet. If it gets we t, wipe it dry with
a cloth immediately. When you carry the remote trans-
mitter on an airplane, do not
press the button of the remote
transmitter while in the airplane.
When any button of the remote
transmitter is pressed, radio
waves are sent and may affect the
operation of the airplane. When
you carry the remote transmitter
in a bag on an airplane, take
measures to prevent the buttons
of the remote transmitter from
being pressed.
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Door Locks
111
Keys and Doors2
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■Replacing the BatteryRefer to "Replacing Battery" P375.■ Replacing Lost TransmittersIf you lose a transmitter or want to
purchase additional transmitters (up to
four can be programmed), you should re-
program all of your transmitters for secu-
rity reasons. For details, contact your
SUBARU dealer and have the transmit-
ters programmed into the remote keyless
entry system.
2-4. Door Locks■ Locking and Unlocking from
the Outside
NOTEIf you unlock the driver’s door with an
emergency key and open the door
while the alarm system is armed, the
alarm system is triggered and the vehi-
cle’s horn sounds. In this case, per-
form any of the following operations:
 Press unlock button on the access
key fob.
 Turn the push-button ignition switch
to the “ACC” position.
 Carry the access key fob and
perform either of the following proce-
dures. - Grip the door handle.
- Press the trunk opener button.
For details about the alarm system,
refer to "Alarm System" P114. ▼
How to lock and unlock the vehicle
using the emergency key
1) Rotate the key toward the front to lock.
2) Rotate the key toward the rear to
unlock.In this case, only the driver’s side door is
locked or unlocked.NOTEThe emergency key is directional. If
the key cannot be inserted, change the
direction that the grooved side is fac-
ing and insert it again.
▼ How to lock the vehicle without
using the keyTo lock the door from outside without the
key, the following methods are available.
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Door Locks
113
Keys and Doors2
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▼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.
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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
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Alarm System
115
Keys and Doors2
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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.
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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.
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Push-Button Ignition Switch
125
Instruments and Controls3
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3-1. Push-Button Ignition Switch■Safety PrecautionsRefer to "Safety Precautions" P94.■ Operating Range for Push-
Button Start System1) Antenna
2) Operating rangeNOTEIf the access key fob is not detected
within the operating range of the
antennas 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. - On the instrument panel
- On the floor
- Inside the glove box
- Inside the door trim pocket
- On the rear seat
- On the rear shelf
 When operating the push-button
ignition switch or starting the engine, if
the access key fob battery is
discharged, perform the procedure
described in "Access Key Fob – If
Access Key Fob Does Not Operate
Properly" P325. In such a case,
replace the battery immediately. Refer
to "Replacing Battery of Access Key
Fob" P376.
■ Switching Power Status1) Push-button ignition switchThe power status 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 shift lever in neutral (MT
models) or the select lever in the “P” posi-
tion (AT models).
3. Press the push-button ignition switch
without depressing the clutch pedal (MT
models) or the brak e pedal (AT models).
Every time the button is pressed, the
power is switched in the sequence of
“OFF”, “ACC”, “ON” and “OFF”.
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Push-Button Ignition Switch
126
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.
 When the steering lock cannot be
released, the message appears on the
combination meter. When this occurs,
press the push-butto n ignition switch
while turning the steering wheel left
and right.
▼ Battery drainage prevention func -
tion
When the push-button ignition switch is
left in the “ACC” for more than 20 minutes
or “ON” position for approximately 1 hour,
the push-button ignition switch will be
automatically switched to “OFF” to
prevent the battery from going dead. (In
AT models, this function is activated when
the select lever is in the “P” position.)■ When Access Key Fob Does
Not Operate ProperlyRefer to "Access Key Fob – If Access Key
Fob Does Not Operate Properly" P325.
Power
status Combination
meter display Operation
OFF ―Power is turned
off.
ACC “ACCESSORY” The following
systems can be
used:
audio and
accessory power
outlet.
ON “IGNITION ON” All electrical
systems can be used.
CAUTION
To prevent the vehicle battery
from discharging, do not leave
the push-button ig nition switch in
the “ON” or “ACC” position for a
long time. 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. To avoid a malfunction, observe
the following precautions.
- Do not spill drinks or other
liquids on the push-button
ignition switch.
- Do not touch the push-button
ignition switch with a hand
that is soiled with oil or other
contaminants.
 If the push-button ignition switch
does not operate smoothly, stop
the operation. Contact a SUBARU
dealer immediately. 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.
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