ignition SUBARU BRZ 2023 Service Manual

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
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Warning and Indicator Lights
150■High Beam Indicator
LightThis light shows that the headlights are in
the high beam mode.
This indicator light also illuminates when
operating the headlight flasher.■ High Beam Assist Indi -
cator (If Equipped)This indicator appears when the high
beam assist function is activated. For
details about the high beam assist func-
tion, refer to "High Beam Assist Function
(If Equipped)" P177.■ Automatic Headlight
Beam Leveler Warning
LightThis light illuminates when the automatic
headlight beam leveler does not operate
normally.
If this light illuminates while driving or
does not turn off approximately 3 seconds
after turning the ignition switch to the “ON”
position, have your vehicle inspected at
your SUBARU dealer.
■ LED Headlight
Warning LightThis light illuminates if the LED headlights
malfunction. Have your vehicle inspected
at a SUBARU dealer as soon as possible.■ Steering Responsive
Headlight OFF Indicator
Light (If Equipped)This light illuminates when the Steering
Responsive Headlight function is off. For
details, refer to"Driving Support System
Settings Display" P157.■ Steering Responsive
Headlight Warning
Light (If Equipped)The light illuminates when a malfunction
occurs in the Steering Responsive Head-
light. Refer to "Steering Responsive
Headlight (SRH) (If Equipped)" P180.■ Headlight Indicator
LightThis indicator light illuminates under the
following conditions.
 When the light switch is turned to the
“ ” or “ ” position 
When the light switch is in the “AUTO”
position and the headlights illuminate
automatically
■ Hill Start Assist Indi -
cator LightWhen the hill start assist function is
enabled, this indicator light will be illumi-
nated. It will disappear when the hill start
assist function is deactivated.■ BSD/RCTA Warning
Indicator (If Equipped)This warning indicator appears on the
combination meter di splay (color TFT)
when the BSD (Blind Spot Detection) or
RCTA (Rear Cross Traffic Alert) is
malfunctioning for any reason. For further
details, refer to "BSD/RCTA Warning Indi-
cator" P274. If this indicator remains
displayed, have your vehicle inspected by
your SUBARU dealer as soon as possible.■ BSD/RCTA OFF Indi -
cator (If Equipped)This indicator appears on the combination
meter display (color TFT) when “BSD/
RCTA” is selected to deactivate the BSD
(Blind Spot Detection) and RCTA (Rear
Cross Traffic Alert), or when the BSD/
RCTA is suspended temporarily. For
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Combination Meter Display (Color TFT)
153
Instruments and Controls3
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■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.
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Center Information Display (CID)
170▼How to select items on the screen
▽ ON/OFF settingExampleTouch the changing menu and select ON
or OFF . ▽
Selecting
ExampleTouch the preferred item.
▼ How to set items on the screen
▽ Brightness/Contrast
Set and adjust the brightness and contrast
of the center information display.NOTE“Brightness” can only be adjusted
when “Brightness Dial” is off. Refer to
"General settings" P161.
1. Press (HOME).
2. → (Settings)
3. →“General”
4. →“Display” 5.
→“Brightness/Contrast”
6. Drag to adjust the brightness and
contrast.
Touch “Default” to revert to the factory
setting.
▽ Birthday List
If a birthday or anniversary is
approaching, a message will be shown
when the ignition switch is turned to the
“ON” position. This function can be set to
on or off by “Reminder screen”. For
details, refer to "General settings" P161
1. Press (HOME).
2. → (Settings)
3. →“General”
4. →“Birthday List”
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Clock
172Maintenance Schedule setting:
The setting procedure is the same as
“Engine Oil” setting, but touch the “Mainte-
nance Schedule” item in step 2.NOTE Touch “Reset” to reset each setting.
 Touch “Update” to revert to the
default value.
3-9. ClockFor models with a genuine SUBARU
audio system, the clock can be adjusted
using either auto mode or manual mode.■ Setting the Clock Manually1. Turn the ignition switch to the “ON”
position.
2. Press (HOME).
3. Touch (Settings).
4. →“General”
5. →“Clock”
6. →“Time Setting” 7.
→“Manual”
8. → or
9. →“OK”
NOTEThe clock setting screen can also be
displayed by touching the clock on the
status bar.
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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
1743-10. Light Control SwitchThe light control switch operates when the
push-button ignition switch is in the “ACC”
or “ON” position.
Regardless of the pos ition of the light
control switch, the illuminated lights are
turned off when the push-button ignition
switch is turned off.NOTEThe light control switch can be oper-
ated (except auto on/off headlights),
even the push-button ignition switch
is turned off.
If the driver’s door is opened while the
headlights are illuminated under such conditions, a chirp sound will inform

the driver that the lights are illumi-
nated.
■ HeadlightsTo turn on the headlights, turn the knob on
the end of the light control switch.
“OFF” position:
The headlights are all off.
*1,*2
*1: For Canada models, when the light switch is
switched to the “OFF” position while the
vehicle is stopped, the lights turn off. Then
the light switch will automatically return to
the “AUTO” position.
*2: For Canada models, the headlights will automatically change to the AUTO mode
when the following conditions are met: The engine is running.
 The parking brake is fully released. 
For AT models, the select lever is in a
position other than “P” position.
“” position:
Instrument panel illumination, headlights,
parking lights, side marker lights, tail lights
and license plate lights are on.
“” position:
Instrument panel illumination, parking
lights, side marker lights, tail lights and
license plate lights are on.
“AUTO” position: auto on/off head-
lights
When the ignition switch is in the “ON”
position, the instrum ent panel illumination,
headlights, parking lights, side marker
lights, tail lights and license plate lights
are automatically on or off depending on
the level of the ambient light.
The light sensitivity of the auto on/off
headlights can be changed by operating
the combination meter display (color TFT)
or the center information display. For
details, refer to "Settings Display" P157
or "Car settings" P165. Also, the setting
can be changed by a SUBARU dealer.
Consult your SUBARU dealer for details.
▼ Battery-saving function
If the headlights or tail lights are illumi-
nated when the push-button ignition
switch is off, in order to prevent the battery
from becoming discharg ed, the lights will
CAUTION
Use of any lights for a long period
of time while the engine is not
running can cause the battery to
discharge. Before leaving the vehicle, make
sure that the light control switch
is turned to the off position. If the
vehicle is left unattended for a
long time with the light control
switch set to a position other than
the off position, the battery may
be discharged.
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Light Control Switch
175
Instruments and Controls3
– CONTINUED –
automatically be turned off after approxi-
mately 20 minutes.
If a door is opened or closed, the battery
saving function will temporarily be
canceled and the lights will automatically
be turned off after approximately 20
minutes.▼ Auto-on/off wiper-linked headlights
While the light control switch is in the
“AUTO” position, the headlights will auto-
matically turn on when the windshield
wipers operate several times. The head-
lights will automatica lly turn off approxi-
mately 1 minute after the wiper stops.
The ON/OFF setting of this function can
be changed by operating the combination
meter display (color TFT) or the center
information display. For details, refer to
"Settings Display" P157 or "Car
settings" P165. Also, the setting can be
changed by a SUBARU dealer. Consult
your SUBARU dealer for details.
▼ Welcome lighting function
The welcome lighting function turns on the
low beam headlight for smooth
approaching to or exiting from the vehicle
at night or in a dark place.
The function is activated while all of the
following conditions are met. 
The light control swit ch is in the “AUTO”
position
 It is dark enough to turn on the auto on/
off headlights
NOTEIf the engine is turn ed off after turning
off the light swit ch, the welcome
lighting function may not operate (for
Canada models).
▽ When approaching
While the welcome lighting function is acti-
vated, the low beam headlights will auto-
matically illuminate when unlocking the
doors by using the remote keyless entry
system.
The low beam headlights will remain illu-
minated for 30 seconds
*1 and then turn
off. However, if any of the following opera-
tions is done, the low beam headlights will
turn off.
 The ignition switch is turned to the “ON”
position.
 The doors are locked.
 The light control switch is turned to a
position other than “AUTO”. ▽
When exiting
While the welcome lighting function is acti-
vated, the low beam headlights will remain
illuminated even when the push-button
ignition switch is turned to the “OFF”
status.
The low beam headlights will turn off
under any of the following conditions.
 30 seconds have passed since the
door is opened and closed.
*1
 The light control switch is turned to a
position other than “AUTO”.
 The locking procedure is performed
twice. When performing the unlocking
procedure after performing the locking
procedure, perform the locking procedure
twice again.*1: The setting for the period of time in which
the low beam headlights remain on by the
welcome lighting function can be changed
by a SUBARU dealer. Contact your
SUBARU dealer for details. Also, you can
change the setting by operating the combi-
nation meter display (color TFT) or the
center information display. For details, refer
to "Settings Display" P157 or "Car
settings"  P165.
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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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Steering Responsive Headlight (SRH) (If Equipped)
181
Instruments and Controls3
refer to "Driving Support System Settings
Display" P157, "Car settings" P1651) SRH OFF indicatorThe SRH OFF indicator on the combina-
tion meter display (color TFT) turns off
when SRH is turned on.
The SRH OFF indicator on the combina-
tion meter display (color TFT) illuminates
when SRH is turned off.
1) SRH warning indicatorIf SRH is malfunctioning, the SRH warning
indicator on the combination meter display
(color TFT) illuminates and a message
appears on the warning screen when the
ignition switch is in the “ON” position. It
indicates that SRH has been deactivated.
Contact a SUBARU dealer for an inspec-
tion.NOTE The SRH function operative/non-
operative status is kept when the
engine is turned off, even if the engine
is restarted.
 When you turn the ignition switch to
the “ON” position, the SRH OFF indi-
cator will illuminate and turn off after
several seconds. 
SRH only activates when the vehicle
is traveling forward at the speed of
approximately 5 mph (8 km/h) or more.
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