check engine light SUBARU BRZ 2018 Owners Manual

TABLE OF CONTENTSIndex
4
BRZ_U (A4450BE-A)
4-1. Maintenance and careCleaning and protecting the vehicle exterior ........... 336
Cleaning and protecting the vehicle interior ............ 342
Cleaning and protecting the Alcantara
® area.......... 346
4-2. Maintenance Maintenance requirements .................... 348
General maintenance ......... 351
Emission inspection and maintenance (I/M)
programs .......................... 354
4-3. Do-it-yourself maintenance Do-it-yourself service precautions ...................... 355
Engine hood ....................... 358
Engine compartment .......... 360
Tires ................................... 374
Tire inflation pressure......... 382
Wheels ............................... 386
Air conditioning filter ........... 389
Transmitter/ access key battery ........... 392
Checking and replacing fuses ................................ 397
Light bulbs .......................... 405 5-1. Essential information
Hazard warning flashers ..... 418
If your vehicle needs to be towed ........................... 419
If you think something is wrong ................................ 426
Fuel pump shut off system .............................. 427
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... .......................... 428
If a warning message is displayed .......................... 440
If you have a flat tire ........... 457
If the engine will not start .... 471
If the select lever cannot be shifted from P .............. 474
If you lose your keys ........... 475
If the access key does not operate properly ............... 476
If the battery is discharged ........................ 480
If your vehicle overheats..... 485
If the vehicle becomes stuck ................................. 488
4Maintenance and care5When trouble arises

162 2-1. Driving procedures
BRZ_U (A4450BE-A)
WARNING
■When driving the vehicle
●Do not drive if you are unfamiliar with the location of the brake and accel-
erator pedals to avoid depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the brake
pedal will result in sudden acceleration that may lead to an accident
that could result in death or serious injury.
• When backing up, you may twist your body around, leading to a diffi- culty in operating the pedals. Make sure to operate the pedals properly.
• Make sure to keep a correct driving posture even when moving the vehicle only slightly. This allows you to depress the brake and acceler-
ator pedals properly.
• Depress the brake pedal using your right foot. Depressing the brake pedal using your left foot may delay response in an emergency, result-
ing in an accident.
● Do not drive the vehicle over or stop the vehicle near flammable materials.
The exhaust system and exhaust gases can be extremely hot. These hot
parts may cause a fire if there is any flammable material nearby.
● On vehicles with an automatic transmission, do not let the vehicle roll
backward while the select lever is in a driving position, or roll forward while
the select lever is in R.
Doing so may cause the engine to stall or lead to poor brake and steering
performance, resulting in an accident or damage to the vehicle.
● If the smell of exhaust is noticed inside the vehicle, open the windows and
check that the trunk lid is closed. Large amounts of exhaust in the vehicle
can cause driver drowsiness and an accident, resulting in death or a seri-
ous health hazard. Have the vehicle inspected by your SUBARU dealer
immediately.
● On vehicles with a manual transmission, do not shift the shift lever to R
while the vehicle is moving forward.
Doing so can damage the transmission and may result in a loss of vehicle
control.
● Do not shift the select lever to a driving position while the vehicle is moving
backward.
Doing so can damage the transmission and may result in a loss of vehicle
control.

164 2-1. Driving procedures
BRZ_U (A4450BE-A)
WARNING
■When driving on slippery road surfaces
●Sudden braking, acceleration and steering may cause tire slippage and
reduce your ability to control the vehicle, resulting in an accident.
● Sudden acceleration, engine braking due to shifting, or changes in engine
speed could cause the vehicle to skid, resulting in an accident.
● After driving through a puddle, lightly depress the brake pedal to make
sure that the brakes are functioni ng properly. Wet brake pads may prevent
the brakes from functioning properly. If the brakes on only one side are wet
and not functioning properly, steering control may be affected, resulting in
an accident.
■ When shifting the select lever or shift lever
●On vehicles with an automatic transmission, be careful not to shift the
select lever with the accelerator pedal depressed. Shifting the select lever
to a gear other than P or N may lead to unexpected rapid acceleration of
the vehicle that may cause an accident and result in death or serious
injury.
● Do not place items in the select lever’s or shift lever’s surrounding area. It
may cause incorrect operation.
● If the select lever’s or shift lever’s boot is pulled out during cleaning, return
it to its previous position. If the select lever’s or shift lever’s boot is left
pulled out, the select lever or shift lever may become difficult to operate.
■ If you hear a squealing or scrapin g noise (brake pad wear limit indica-
tors)
Have your SUBARU dealer check and replace the brake pads as soon as
possible.
Rotor damage may result if the pads are not replaced when needed.
It is dangerous to drive the vehicle when the wear limits of the brake pads
and/or those of the brake discs are exceeded. ( →P. 159)
■ Breaking-in of new brake pads and linings
A safe location and situation should be selected for break-in driving.

172
2-1. Driving procedures
BRZ_U (A4450BE-A)
Push-button ignition switch (vehicles with a keyless access with push button star t system)
Performing the following operations when carrying the access key
on your person starts the engine or changes push-button ignition
switch modes.
■Starting the engine
Vehicles with an automatic transmission Check that the parking brake is set.
Check that the select lever is set in P.
If the select lever is not set in P, the engine may not be started.
(→ P. 185)
Firmly depress the brake pedal.
The keyless access with push button start system indicator light
(green) will turn on. If the indicator light does not turn on, the
engine cannot be started.
Press the push-button ignition
switch shortly and firmly.
When operating the push-but-
ton ignition switch, one short,
firm press is enough. It is not
necessary to press and hold
the switch.
The engine will crank until it
starts or for up to 10 seconds,
whichever is less.
Continue depressing the brake
pedal until the engine is com-
pletely started.
The engine can be started
from any push-button ignition
switch mode.
STEP 1
STEP 2
STEP 3
STEP 4

173
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
Vehicles with a manual transmission
Check that the parking brake is set.
Check that the shift lever is set in neutral.
Firmly depress the clutch pedal.
The keyless access with push button start system indicator light
(green) will turn on. If the indicator light does not turn on, the
engine cannot be started.
Press the push-button ignition
switch shortly and firmly.
When operating the push-but-
ton ignition switch, one short,
firm press is enough. It is not
necessary to press and hold
the switch.
The engine will crank until it
starts or for up to 10 seconds,
whichever is less.
Continue depressing the clutch
pedal until the engine is com-
pletely started.
The engine can be started
from any push-button ignition
switch mode.
STEP 1
STEP 2
STEP 3
STEP 4

174 2-1. Driving procedures
BRZ_U (A4450BE-A)
■Stopping the engine
Vehicles with an automatic transmission Stop the vehicle.
Shift the select lever to P.
Set the parking brake. ( →P. 197)
Release the brake pedal.
Press the push-button ignition
switch.
Check that the keyless access
with push button start system
indicator light (green) is off.
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5

177
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
When stopping the engine with the select lever in a position
other than P (vehicles with an automatic transmission)
If the engine is stopped with the select lever in a position other than P,
the push-button ignition switch will not be turned off but instead be
turned to “ACC” mode. Perform the following procedure to turn the
switch off: Check that the parking brake is set.
Shift the select lever to P.
Check that the keyless access with push button start system
indicator light (green) flashes slowly and then press the push-
button ignition switch once.
Check that the keyless access with push button start system
indicator light (green) is off.
■Auto power off function
Vehicles with an automatic transmission
If the vehicle is left in “ACC” mode for more than 20 minutes or “ON” mode
(the engine is not running) for more than an hour with the select lever in P,
the push-button ignition switch will automatically turn off. However, this func-
tion cannot entirely prevent battery discharge. Do not leave the vehicle with
the push-button ignition switch in “ACC” or “ON” mode for long periods of
time when the engine is not running.
Vehicles with a manual transmission
If the vehicle is left in “ACC” mode for more than 20 minutes or “ON” mode
(the engine is not running) for more than an hour, the push-button ignition
switch will automatically turn off. However, this function cannot entirely pre-
vent battery discharge. Do not leave t he vehicle with the push-button ignition
switch in “ACC” or “ON” mode for long periods of time when the engine is not
running.
STEP 1
STEP 2
STEP 3
STEP 4

178 2-1. Driving procedures
BRZ_U (A4450BE-A)
■Operation of the push-button ignition switch
If the switch is not pressed shortly and firmly, the push-button ignition switch
mode may not change or the engine may not start.
■ Access key battery depletion
→ P. 3 5
■ Conditions affecting operation
→ P. 3 1
■ Note for the “keyless access” entry function
→ P. 3 2
■ If the engine does not start
The engine immobilizer system may not have been deactivated. ( →P. 82)
Contact your SUBARU dealer.
■ Steering lock
After turning the push-button ignition switch off and opening and closing the
doors, the steering wheel will be locked due to the steering lock function.
Operating the push-button ignition switch again automatically cancels the
steering lock. Vehicles with an automatic transmission:
Check that the select lever is securely set
in P. The engine may not start if the select
lever is displaced out of P. The keyless
access with push button start system indi-
cator light (green) will flash quickly.

179
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
■
When the steering lock cannot be released
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off r epeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the
steering lock motor will resume functioning.
■ If the keyless access with push button start indicator flashes in yellow
and a message is displayed on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your
SUBARU dealer immediately.
■ If the access key battery is depleted
→ P. 392
■ If the keyless access with push button start system has been deacti-
vated in a customized setting
→ P. 477 The keyless access with push button start
system indicator light (green) will flash
quickly and a message will be shown on
the multi-information display. (
→P. 446)
Vehicles with an automatic transmis-
sion
Check that the select lever is set in P.
Press the push-button ignition switch
while turning the steering wheel left and
right.
Vehicles with a manual transmission
Press the push-button ignition switch
while turning the steering wheel left and
right.

181
2-1. Driving procedures
2
When driving
BRZ_U (A4450BE-A)
CAUTION
■
To prevent battery discharge
● Do not leave the push-button ignition switch in “ACC” or “ON” mode for
long periods of time without the engine running.
● If the keyless access with push button start system indicator light (green)
is illuminated, the push-button ignition switch is not off. When exiting the
vehicle, always check that the push-button ignition switch is off.
● Vehicles with an automatic transmission: Do not stop the engine when the
select lever is in a position other than P. If the engine is stopped in another
select lever position, the push-button ignition switch will not be turned off
but instead be turned to “ACC” mode. If the vehicle is left in “ACC” mode,
battery discharge may occur.
■ When starting the engine
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have your vehi-
cle checked by your SUBARU dealer immediately.
● Vehicles with an automatic transmission: Do not shift the select lever while
the starter is operating.
■ Symptoms indicating a malfunction with the push-button ignition
switch
If the push-button ignition switch seems to be operating somewhat differently
than usual, such as the switch sticking slightly, there may be a malfunction.
Contact your SUBARU dealer immediately.