brake light SUBARU BRZ 2023 Owner's Manual

Electronic Brake Force Distribution (EBD) System
2467-12. Electronic Brake Force Distribution (EBD) SystemThe EBD system maximizes the effective-
ness of the brakes by allowing the rear
brakes to supply a greater proportion of
the braking force. It functions by adjusting
the distribution of braking force to the rear
wheels in accordance with the vehicle’s
loading condition and speed.
The EBD system is an in tegral part of the
ABS and uses some of the ABS compo-
nents to perform its function of optimizing
the distribution of braking force. If any of
the ABS components used by the EBD
function fails, the EBD system also stops
working.
When the EBD system is operating, you
may hear a chattering noise or feel a slight
vibration in the brake pedal. This is normal
and does not indicate a malfunction.
■ EBD System MalfunctionsIf a malfunction occurs in the EBD system,
the system stops working and the
following warning lights illuminate simulta-
neously.
 Brake system warning light
 ABS warning light
 Vehicle Stability Control (VSC)
warning light
If all the warning lights remain 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 an SUBARU dealer.
702779
WARNING
 Driving with the brake system
warning light on is dangerous.
This indicates your brake system
may not be working properly. If
the light remains on, have the
brakes inspected by a SUBARU
dealer immediately. If at all in doubt about whether the
brakes are operating properly, do
not drive the vehicle. Have your
vehicle towed to the nearest
SUBARU dealer for repair.
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Vehicle Stability Control (VSC)/TRAC System
247
Starting and Operating7
– CONTINUED –
7-13. Vehicle Stability Control (VSC)/TRAC System■Vehicle Stability Control
(VSC) SystemIn the event of wheelspin and/or skidding
on a slippery road surface and/or during
cornering and/or an evasive maneuver,
the Vehicle Stability Control (VSC) system
adjusts the engine’s output and the
wheels’ respective braking forces to help
maintain traction and directional control.
The skid suppression function is designed
to help maintain directional stability by
suppressing the wheels’ tendency to slide
sideways during steering operations. Acti-
vation of this function is indicated by
flashing of the Vehicle Stability Control
(VSC) operation indicator light.NOTE In the following circumstances, the
vehicle may be less stable than it feels
to the driver. The Vehicle Stability
Control (VSC) system may therefore
operate. Such operation does not indi-
cate a system malfunction. - On gravel-covered or rutted
roads
- On unfinished roads
- When the vehicle is fitted with
snow tires or winter tires 
Activation of the Vehicle Stability
Control (VSC) system will cause opera-
tion of the steering wheel to feel
slightly different compared to that for
normal conditions.
 It is always important to reduce
speed when approaching a corner,
even if the vehicle is equipped with
Vehicle Stability Control (VSC) system.
 Always turn off the engine before
replacing a tire as failure to do so may
render the Vehicle Stability Control
(VSC) system unable to operate
correctly.
■ TRAC SystemThe TRAC system is designed to prevent
spinning of the driving wheels on slippery
road surfaces, thereby helping to maintain
traction and directional control. Activation
of this function is indicated by flashing of
the Vehicle Stability Control (VSC) opera-
tion indicator light. The TRAC system is
also equipped with the brake LSD func-
tion.
WARNING
 Directional control and power
may not be achievable while
driving on slippery road surfaces,
even if the TRAC system is oper-
ating. Do not drive the vehicle in
conditions where stability and
power may be lost. Always use the utmost care in
driving – overconfidence
because you are driving with a
Vehicle Stability Control (VSC)
system and TRAC system
equipped vehicle could easily
lead to a serious accident.
CAUTION
 Even if your vehicle is equipped
with Vehicle Stability Control
(VSC) system and TRAC system,
winter tires should be used when
driving on snow-covered or icy
roads; in addition, vehicle speed
should be reduced considerably.
Simply having a Vehicle Stability
Control (VSC) system and TRAC
system does not guarantee that
the vehicle will be able to avoid
accidents in any situation.
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Vehicle Stability Control (VSC)/TRAC System
248
NOTEThe Vehicle Stability Control (VSC)
system and TRAC system may be con-
sidered normal when the following
conditions occur.
 Slight twitching of the brake pedal is
felt. 
The vehicle or steering wheel
shakes to a small degree.
 An operating noise from the engine
compartment is heard briefly when
starting the engine and when driving
off after starti ng the engine.
 The brake pedal seems to jolt when
driving off after st arting the engine.
■Vehicle Stability Control
(VSC) System MonitorRefer to "Vehicle Stability Control (VSC)
Warning Light/Vehicle Stability Control
(VSC) Operation Indicator Light" P142
and "Vehicle Stability Control (VSC) OFF
Indicator Light" P143.■ Vehicle Stability Control
(VSC) OFF Switch
Activation of the Vehicle Stability
Control (VSC) system and TRAC
system is an indication that the
road being travelled on has a slip-
pery surface; since having
Vehicle Stability Control (VSC)
and TRAC is no guarantee that
full vehicle control will be main-
tained at all times and under all
conditions, its activation should
be seen as a sign that the speed
of the vehicle should be reduced
considerably. Whenever suspension compo-
nents, steering components, or
an axle are removed from a
vehicle equipped with the Vehicle
Stability Control (VSC) system
and TRAC system, have an
inspection of that system
performed by an authorized
SUBARU dealer. The following precautions should
be observed in order to ensure
that the Vehicle Stability Control
(VSC) system and TRAC system
is operating properly.
- All four wheels should be
fitted with tires of the same
size, type, and brand. Further-
more, the amount of wear
should be the same for all four
tires.- Keep the tire pressure at the
proper level as shown on the
label attached to the driver’s
side center pillar.- When replacing a flat tire, use
only the specified temporary
spare tire. However, even with
the specified temporary spare
tire, the effectiveness of the
Vehicle Stability Control (VSC)
system and TRAC system will
be reduced.
 If non-matching tires are used,
the Vehicle Stability Control
(VSC) system and TRAC system
may not operate correctly.
702785
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Vehicle Stability Control (VSC)/TRAC System
249
Starting and Operating7
– CONTINUED –
▼Disabling the TRAC System
If the vehicle gets stuck in mud, dirt or
snow, the TRAC system may reduce
power from the engine to the wheels.
Pressing the Vehicle Stability Control
(VSC) OFF switch to turn the system off
may make it easier for you to rock the
vehicle in order to free it. In this case, the
brake LSD function remains on. To turn
the TRAC system off, quickly press and
release the button. The TRAC OFF indi-
cator light will come on. Press the button
again to turn the system back on.
Creating adequate driving wheel slip by
deactivating the TRAC system may help
to recover from the loss of traction. Use
the Vehicle Stability Control (VSC) OFF
switch as necessary.
 A standing start on a steeply sloping
road with a snowy, gravel-covered, or
otherwise slippery surface
 Extrication of the vehicle when its
wheels are stuck in mud or deep snow ▼
Turning Off both Vehicle Stability
Control (VSC) and TRAC Systems
To turn the Vehicle Stability Control (VSC)
systems and TRAC system off, press and
hold the Vehicle Stability Control (VSC)
OFF switch for more than 3 seconds while
the vehicle is stopped. The TRAC OFF
indicator light and the Vehicle Stability
Control (VSC) OFF indicator light will
come on. However, on vehicles with an
automatic transmissi on, the brake LSD
function will remain on. Press the button
again to turn the systems back on. With
the Vehicle Stability Control (VSC) system
and TRAC system deactivated, traction
and stability enhancement offered by
Vehicle Stability Control (VSC) system
and TRAC system is unavailable. There-
fore you should not deactivate the Vehicle Stability Control (VSC) system and TRAC

system except under above-mentioned
situations.
NOTE When the switch has been pressed
to deactivate the Vehicle Stability
Control (VSC) system and TRAC
system, the Vehicle Stability Control
(VSC) system and TRAC system auto-
matically reactivates itself the next
time the ignition swit ch is turned to the
“OFF” position and the engine is
restarted.
 If the switch is held down for 30
seconds or longer, the indicator light
turns off, the Vehicle Stability Control
(VSC) system is activated, and the
system ignores any further pressing of
the switch. To make the switch usable
again, turn the ignition switch to the
“OFF” position and restart the engine.
 When the switch is pressed to deac-
tivate the Vehicle Stability Control
(VSC) system and TRAC system, the
vehicle’s running performance is
comparable with that of a vehicle that
does not have a Vehicle Stability
Control (VSC) system and TRAC
system. Do not deac tivate the Vehicle
Stability Control (VSC) system and
TRAC system except when absolutely
necessary.
702831
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TRACK Mode
250Even when the TRAC system is
deactivated, components of the brake
control system may still activate. When
the brake control system is activated,
the Vehicle Stability Control (VSC)
operation indicator light flashes.
7-14. TRACK Mode■ TRACK ModeYour vehicle is equipped with two types of
control modes to accommodate various
driving preferences. The control modes
can be selected with the TRACK switch.
Normal mode allows secure and smooth
normal driving. When the switch is
pressed and held for 1 second or more,
TRACK mode is activated. Control char-
acteristics such as the Vehicle Stability
Control (VSC) and TRAC are adjusted to
afford maneuverability closer to what a
driver may desire, while a sense of secu-
rity is retained.
▼ TRACK mode/Normal mode
The TRACK indicator and Vehicle Stability
Control (VSC) OFF indicator come on
when in TRACK mode.
To change back to normal mode while in
TRACK mode, press Vehicle Stability
Control (VSC) OFF switch or the TRACK
switch.
702840
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Tire Pressure Monitoring System (TPMS) (If Equipped)
251
– CONTINUED –
Starting and Operating7
■Selecting TRAC Mode and Vehicle Stability Control (VSC) ModeModes can be selected to suit your driving conditions as follows:NOTEWhen the ignition switch is turned “OFF” position af ter driving in TRACK mode,
the mode is automa tically deactivated.Driving con-
ditions TRAC modes Vehicle Sta-
bility Control
(VSC) modes Brake LSD
function Indicator lights
Normal roads Normal mode Normal mode Normal mode ―
Rough roads Off Normal mode Normal mode
Sport driving TRACK mode TRACK mode TRACK mode

Off OffTRACK mode
(AT models)

Off (MT mod-
els)
7-15. Tire Pressure Moni -
toring System (TPMS) (If Equipped)Low tire pressure warning lightThe tire pressure monitoring system
provides the driver with a warning
message by sending a signal from a
sensor that is installed in each wheel
when tire pressure is severely low.
The tire pressure monitoring system will
activate only when the vehicle is driven at
speeds above 25 mph (40 km/h). Also,
this system may not react immediately to
a sudden drop in tire pressure (for
example, a blow-out caused by running
over a sharp object).
702780
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Tire Pressure Monitoring System (TPMS) (If Equipped)
252
WARNING
If the low tire pressure warning
light illuminates while driving,
never brake suddenly. Instead,
perform the following procedure.
Otherwise an accident involving
serious vehicle damage and
serious personal injury could
occur.
(1) Keep driving straight ahead
while gradually reducing
speed.(2) Slowly pull off the road to a
safe place.(3) Check the pressure for all
four tires and adjust the pres-
sure to the COLD tire pres-
sure shown on the tire
inflation pressure label on the
center pillar on the driver’s
side.
 Even when the vehicle is driven a
very short distance, the tires get
warm and their pressures
increase accordingly. Be sure to
let the tires cool thoroughly
before adjusting their pressures
to the standard values shown on
the tire inflatio n pressure label.
Refer to "Tires and Wheels"
 P358. The tire pressure moni-
toring system does not function
when the vehicle is stationary.
After adjusting the tire pressures,
increase the vehicle speed to at
least 25 mph (40 km/h) to start the
TPMS rechecking of the tire infla-
tion pressures. If the tire pres-
sures are now above the severe
low pressure threshold, the low
tire pressure warning light should
turn off a few minutes later.
If this light still illuminates while
driving after adjusting the tire
pressure, a tire may have signifi-
cant damage and a fast leak that
causes the tire to lose air rapidly.
For details, refer to "Flat Tires"
 P303.
 When a spare tire is mounted or a
wheel rim is replaced without the
original pressure sensor/trans-
mitter being transferred, the low
tire pressure warning light will
illuminate steadily after blinking
for approximately one minute.
This indicates the TPMS is unable
to monitor all fo ur road wheels.
Contact your SUBARU dealer as
soon as possible for tire and
sensor replacement and/or
system resetting.
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Parking Your Vehicle
255
Starting and Operating7
– CONTINUED –
■When Initialization of the Tire
Pressure Monitoring System
has FailedInitialization can be completed in a few
minutes. However, in the following case,
the settings have not been recorded and
the system will not o perate properly. If
repeated attempts to record tire inflation
pressure settings ar e unsuccessful, have
the vehicle checked at your SUBARU
dealer.
 When operating the TPMS set switch,
low tire pressure warning light does not
blink 3 times.
 After carrying out the initialization
procedure, the low tire pressure warning
light blinks for 1 minute then stays on after
driving for 20 minutes.
■ Registering ID CodesEvery tire pressure warning valve and
transmitter has a unique ID code. In addi-
tion to the set of tire pressure monitoring
system sensor ID code s initially registered
to the vehicle, a second set of ID codes
can be registered.
A second set of tire pressure monitoring
system sensor ID codes can be registered
at your SUBARU dealer. When 2 sets of
ID codes have been registered, either ID
code set can be selected.■ Changing the ID code set1. Park the vehicle in a safe place and
turn the ignition swit ch to the “ON” posi-
tion.
2. Press the TPMS set switch 3 times
within 3 seconds.
3. The low tire pressure warning light will
illuminate for 3 seconds and then blink 3
times.
4. The low tire pressure warning light will
blink for 1 minute and then illuminate.
5. When the ID code change has
completed, the tire pressure monitoring
light will turn off.
Check that tire pressures are displayed on
the TPMS screen.
7-16. Parking Your Vehicle■ Parking BrakeTo set the parking brake, depress the
brake pedal firmly and hold it down until
the parking brake lever is fully pulled up.
WARNING
Do not operate the TPMS set switch
without first adjust ing the tire infla-
tion pressure to the specified level.
Otherwise, the low tire pressure
warning light may not come on even
if the tire inflation pressure is low,
or it may come on when the tire
inflation pressure is actually nor-
mal.
WARNING
 Never leave unattended children
or pets in the vehicle. They could
accidentally injure themselves or
others through inadvertent oper-
ation of the vehicle. Also, on hot
or sunny days, the temperature in
a closed vehicle could quickly
become high enough to cause
severe or possibly fatal injuries to
people. Do not park the vehicle over flam-
mable materials such as dry
grass, waste paper or rags, as
they may burn easily if they come
near hot engine or exhaust
system parts. Be sure to stop the engine if you
take a nap in the vehicle. If engine
exhaust gas enters the passenger
compartment, occupants in the
vehicle could die from carbon
monoxide (CO) contained in the
exhaust gas.
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Parking Your Vehicle
256To release the parking brake, pull the
lever up slightly, press the release button,
then lower the lever while keeping the
button pressed.
When the parking brake is set while the
engine is running, the parking brake
warning light illuminates. After starting the
vehicle, be sure that the warning light has
turned off before the vehicle is driven.
Refer to "Brake System Warning Light"
 P140.
■ Parking TipsWhen parking your vehicle, always
perform the following items.
 Apply the parking brake firmly.
 For MT models, put the shift lever in the
“1” (1st) for upgrade or “R” (Reverse) for a
downgrade.
 For AT models, put the select lever in
the “P” (Park) position.
Never rely on the mechanical friction of
the transmission alone to hold the vehicle.
When parking on a hill, always turn the
steering wheel. When the vehicle is headed up the hill, the front wheels should

be turned away from the curb.
When facing downhill, the front wheels
should be turned into the curb.
CAUTION
 Never drive while the parking
brake is set because this will
cause unnecessary wear on the
brake linings. Before starting to
drive, always make sure that the
parking brake has been fully
released.
702782
 The braking power of the parking
brake may not be sufficient when
stronger braking power is
needed.
700897
CAUTION
If your vehicle has a front under-
spoiler and rear underspoiler (both
optional), pay attention to blocks
and other obstructions on the
ground when parking. The under-
spoilers could be damaged by con-
tact with them.
700898
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Hill Start Assist System
257
Starting and Operating7
– CONTINUED –
7-17. Hill Start Assist SystemThe Hill start assist system is a device to
make the following vehicle operations
easier.
1) Starting forward facing uphill
2) Starting backward facing downhill
A) Brake pedal (both MT models and AT
models)
B) Clutch pedal (MT models only)
In both these cases, the Hill start assist
system operates under the following
conditions.
 The clutch pedal is depressed while the
brake pedal is also depressed (MT
models).
 The vehicle has stopped with the brake
pedal depressed (AT models).
Braking power is maintained temporarily
(for approximately 2 seconds) by the Hill
start assist system after the brake pedal is
released. The driver is therefore able to
start the vehicle in the same way as on a
level grade, just using the clutch pedal
(MT models only) and accelerator pedal
(all models).
If the braking power of the Hill start assist
system is insufficient after the brake pedal
is released, apply more braking power by
depressing the brake pedal again.
The Hill start assist system may not
operate on slight grades. Also, the Hill
start assist system does not operate in the
following cases.
WARNING
 The Hill start assist system is a
device only for helping the driver
to START the vehicle on an uphill
grade. To prevent accidents when
the vehicle is parked on a slope,
be sure to firmly set the parking
brake. When setting the parking
brake, make sure that the vehicle
remains stationary when the
clutch pedal (MT models) and
brake pedal (both MT and AT
models) are released. Do not turn the ig nition switch to
the “OFF” position while the Hill
start assist system is operating.
The Hill start assist system will be
deactivated and may lead to an
accident.
1
2 BA
7 0 111 6
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