2020 SUBARU BRZ engine

426 5-2. Steps to take in an emergency
BRZ_U
Have the vehicle inspected immediately.Failing to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your SUBARU dealer immediately.
Warning lightWarning light/Details
(U.S.A.)
(Canada and Mexico) Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control system.
SRS airbag system warning light Indicates a malfunction in:
• The SRS airbag system;
• The seatbelt pretensioner system;
• The front passenger occupant detection system.
(U.S.A.)
(Canada and Mexico) ABS warning light
Indicates a malfunction in:
• The ABS;
• The brake assist system.
Electric power steering warning light (warning buzzer) Indicates a malfunction in the electric power steering sys-
tem.
Slip indicator Indicates a malfunction in:
• The Vehicle stability control (VSC) system;
• The TRAC system;
• The hill start assist system.
Automatic headlight leveling system warning light Indicates a malfunction in the automatic headlight leveling
system.

430 5-2. Steps to take in an emergency
BRZ_U
*1: Driver’s seatbelt buzzer:Vehicles without a keyless access with push button start system
The driver’s seatbelt buzzer sounds to alert the driver that his or her seatbelt
is not fastened. Once the engine switch is turned to the “ON” position, the
buzzer sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20
km/h), the buzzer sounds once. If the seatbelt is still unfastened after 24
seconds, the buzzer will sound intermittently for 10 seconds. Then, if the
seatbelt is still unfastened, the buzzer will sound in a different tone for 20
more seconds.
Vehicles with a keyless access with push button start system
The driver’s seatbelt buzzer sounds to alert the driver that his or her seatbelt
is not fastened. Once the
push-button ignition switch is turned to “ON”
mode
, the buzzer sounds for 6 seconds. If the vehicle reaches a speed of
12 mph (20 km/h), the buzzer sounds once. If the seatbelt is still unfastened
after 24 seconds, the buzzer will sound intermittently for 10 seconds. Then,
if the seatbelt is still unfastened, the buzzer will sound in a different tone for
20 more seconds.
*2: Front passenger’s seatbelt buzzer:
The front passenger’s seatbelt buzzer sounds to alert the front passenger
that his or her seatbelt is not fastened. The buzzer sounds once if the vehi-
cle reaches a speed of 12 mph (20 km/h). If the seatbelt is still unfastened
after 24 seconds, the buzzer will sound intermittently for 10 seconds. Then,
if the seatbelt is still unfastened, the buzzer will sound in a different tone for
20 more seconds.

432 5-2. Steps to take in an emergency
BRZ_U
■If the tire pressure monitoring system is inoperative (if equipped)
The tire pressure monitoring system will be disabled in the following con-
ditions:
(When the condition becomes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and transmit-
ters are used.
●If the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure warning computer.
●If the tire inflation pressure is 55 psi (380 kPa, 3.80 kgf/cm2 or bar) or
higher.
The tire pressure monitoring system may be disabled in the following
conditions:
(When the condition becomes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies
are nearby.
●If a radio set at similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.
●If there is a lot of snow or ice on the vehicle, in particular around the
wheels or wheel housings.
●If non-genuine SUBARU wheels are used. (Even if you use SUBARU
wheels, the tire pressure monitoring system may not work properly
with some types of tires.)
●If tire chains are used.
●If a large metallic object which can interfere with signal reception is
put in the trunk.
■If the tire pressure warning light frequently comes on after blinking
for approximately one minute (if equipped)
If the tire pressure warning light frequently comes on after blinking for
approximately one minute when the push-button ignition switch is turned
to “ON” mode (vehicles with a keyless access with push button start sys-
tem) or the engine switch is turned to the “ON” position (vehicles without
a keyless access with push button start system), have it checked your
SUBARU dealer.

5
When trouble arises
437
5-2. Steps to take in an emergency
BRZ_U
Stop the vehicle immediately.
The following warning indicates the possibility of damage to the vehi-
cle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your SUBARU dealer.
Warning messageDetails
(Comes on in red)
Indicates that the engine is almost overheating.
( → P. 481)
A buzzer also sounds.

442 5-2. Steps to take in an emergency
BRZ_U
Have the malfunction repaired immediately.After taking the specified steps to correct the suspected problem,
check that the warning message and light go off.
InteriorbuzzerExterior
buzzerWarning messageDetailsCorrection procedure
Once 
(Flashes)
(Flashes in yellow)
Indicates that the
access key is not
present when
attempting to
start the engine. Confirm
the loca-
tion of the
access
key.
Once
3 times
(Flashes)
(Flashes in yellow)
Indicates that a
door other than
the driver’s door
has been opened
and closed with
the push-button
ignition switch in
any mode other
than off and the
access key out-
side of the detec-
tion area. Confirm
the loca-
tion of the
access
key.

448 5-2. Steps to take in an emergency
BRZ_U
Once
(Flashes)
(Flashes in yellow)
(Vehicles with a manual
transmission) • When the doors
were unlocked
with the mechani-
cal key and then
the push-button
ignition switch
was pressed, the
access key could
not be detected in
the vehicle.
• The access key could not be
detected in the
vehicle even after
the push-button
ignition switch
was pressed two
consecutive
times. Touch the
access
key to the
push-but-
ton igni-
tion switch
while
depress-
ing the
clutch
pedal.
Once 
(Flashes)
(Vehicles with an auto- matic transmission) An attempt was
made to start the
engine with the
select lever in an
incorrect position.
Shift the
select
lever to P
and start
the
engine.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection procedure

5
When trouble arises
449
5-2. Steps to take in an emergency
BRZ_U

Power was
turned off due to
the automatic
power off func-
tion.Next time
when
starting
the
engine,
increase
the engine
speed
slightly
and main-
tain that
level for
approxi-
mately 5
minutes to
recharge
the bat-
tery.
Once 
(Flashes in yellow)
Indicates that the
access key bat-
tery is low. Replace
the bat-
tery.
(
→ P. 388)
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection procedure

450 5-2. Steps to take in an emergency
BRZ_U
Once
(Flashes)
(Vehicles with an auto-
matic transmission) The driver’s door
was opened and
closed with the
push-button igni-
tion switch turned
off and then the
push-button igni-
tion switch was
put in “ACC”
mode twice with-
out the engine
being started.
Press the
push-but-
ton igni-
tion switch
while
depress-
ing the
brake
pedal.
During an engine
starting proce-
dure in the event
that the access
key was not func-
tioning properly
( → P. 473), the
push-button igni-
tion switch was
touched with the
access key. Press the
push-but-
ton igni-
tion switch
while
depress-
ing the
brake
pedal
within 10
seconds
of the
buzzer
sounding.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection procedure