engine overheat SUBARU BRZ 2020 User Guide

When trouble arises5
413
BRZ_U
5-1. Essential informationHazard warning flashers .......................... 414
If your vehicle needs to be towed ........................ 415
If you think something is wrong ............................. 422
Fuel pump shut off system ........................... 423
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... ....................... 424
If a warning message is displayed (vehicles with
a color multi-information
display) .......................... 436
If you have a flat tire......... 453 If the engine will not
start ................................ 467
If the select lever cannot be shifted from P
(vehicles with an
automatic
transmission) ................. 470
If you lose your keys ........ 471
If the access key does not operate properly
(vehicles with a keyless
access with push button
start system) .................. 472
If the battery is discharged ..................... 476
If your vehicle overheats ....................... 481
If the vehicle becomes stuck .............................. 484

5
When trouble arises
425
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 lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging system.
Low engine oil pressure warning light Indicates that the engine oil pressure is too low.
(Flashes or illu- minates in red) High engine coolant temperature warning light (if
equipped)
Indicates that the engine is almost overheating. ( →P. 481)
As the engine coolant temperature increases, this warning
light will change from flashing to constantly illuminated.

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.

5
When trouble arises
481
5-2. Steps to take in an emergency
BRZ_U
If your vehicle overheats
Correction proceduresStop the vehicle in a safe place and turn off the air condition-
ing system, and then stop the engine.
If you see steam: Carefully lift the hood after the steam subsides.
If you do not see steam: Carefully lift the hood.
After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your
SUBARU dealer.
The following may indicate that your vehicle is overheating.
●Vehicles with a monochrome multi-information display: The
engine coolant temperature gauge ( →P. 199) enters the red
zone or a loss of engine power is experienced (for example, the
vehicle speed does not increase).
Vehicles with a color multi-information display: The high engine
coolant temperature warning light ( →P. 203) flashes or illumi-
nates or a loss of engine power is experienced (for example, the
vehicle speed does not increase).
● Steam comes out from under the hood.
STEP 1
STEP 2
STEP 3

550 Alphabetical index
BRZ_U
Brightness controlInstrument panel light control .................................201
Care Alcantara
®............................. 342
Alloy wheels .......................... 333
Exterior.................................. 332
Interior ................................... 338
Seatbelts ............................... 339
Cargo capacity ......................... 269
Chains ....................................... 276
Child restraint system
Booster seats, definition ............................. 141
Booster seats, installation ........................... 146
Convertible seats, definition ............................. 141
Convertible seats, installation ........................... 146
Front passenger occupant detection system .................131
Infant seats,
definition ............................. 141
Infant seats, installation ........................... 146
Installing CRS with LATCH anchors .................. 147
Installing CRS with
seatbelts ............................. 149
Installing CRS with top tether straps .................. 152
Child safety Airbag precautions ................ 125
Battery precautions .......367, 479
Child restraint system............ 141
How your child should wear the seatbelt ..................62
Installing child restraints........ 146
Power window lock switch.......74
Power window precautions ...........................77 Removed key battery
precautions ......................... 391
Seat heater precautions ........ 315
Seatbelt guide ......................... 61
Seatbelt precautions ............... 64
Trunk precautions ................... 49
Cleaning Alcantara
®............................. 342
Alloy wheels .......................... 333
Exterior.................................. 332
Interior ................................... 338
Seatbelts ............................... 339
Clock ......................................... 311
Condenser ................................ 362
Console tray ............................. 307
Coolant Capacity ................................ 494
Checking ............................... 360
Cooling system Engine overheating ............... 481
Cruise control .......................... 243
Cup holders .............................. 307
Curtain airbags .......................... 93
Customizable features ............ 518
Daytime running light system .................................... 235
Defogger Outside rear view mirrors ...... 298
Rear window ......................... 298
Side mirror ............................ 298
Dimensions .............................. 488
Dinghy towing .......................... 280
Display Drive information ................... 221
Multi-information display ........................ 210, 218
Trip information ..................... 211
Warning messages ............... 436
Do-it-yourself maintenance .... 351
C
D

551
Alphabetical index
BRZ_U
Door courtesy lights
Door courtesy lights.............. 302
Wattage ................................ 500
Doors Door lock .................... 25, 38, 43
Door windows ......................... 74
Outside rear view mirrors ....... 71
Side mirrors ............................ 71
Drive information .................... 221
Driver's seatbelt reminder light ........................ 428
Driving
Break-in tips ......................... 159
Correct posture....................... 91
Procedures ........................... 156
Winter drive tips.................... 274
Electric power steering........... 257
Emergency, in case of If the access key does not operate properly........... 472
If the engine will not start...... 467
If the select lever cannot be shifted from P ................ 470
If the vehicle has a discharged battery ............. 476
If the warning buzzer sounds ............................... 424
If the warning light turns on .............................. 424
If the warning message is displayed ........................ 436
If you have a flat tire ............ 453
If you lose your keys............. 471
If you think something is wrong ................................. 422
If your vehicle becomes stuck................................... 484
If your vehicle needs to be towed ............................ 415
If your vehicle overheats ...... 481 Engine
Compartment ........................356
Engine hood ..........................354
Engine switch ................172, 182
How to start the engine .........................172, 182
Identification number .............489
If the engine will not start ......467
Ignition switch................172, 182
Overheating...........................481
Engine coolant Capacity ................................494
Checking ...............................360
Engine coolant temperature gauge ........199, 223
Engine hood .............................354
Engine immobilizer system.......82
Engine oil Capacity ................................492
Checking ...............................357
Preparing and checking before winter .......................274
Engine switch ...................172, 182
Engine switch light ..................302
Event data recorder ...................18
Floor mat...................................316
Fluid Brake .....................................362
Washer ..................................368
Fog lights Switch....................................239
Front fog lights Switch....................................239
Front passenger occupant detection system ...................131
Front passenger's seatbelt reminder light.........................428
Front seats Adjustment ..............................53
Front side marker light Replacing light bulbs .............401
Wattage .................................500
E
F

553
Alphabetical index
BRZ_U
Light bulbs
Replacing ............................. 401
Wattage ................................ 500
Lights Door courtesy lights.............. 302
Engine switch light................ 302
Fog light switch..................... 239
Hazard light switch ............... 414
Hazard warning flasher switch ................................. 414
Headlights switch ................. 233
Interior light switch................ 303
Replacing light bulbs ............ 401
Trunk light............................... 48
Turn signal lever ................... 195
Vanity lights .......................... 310
Wattage ................................ 500
Welcome lighting function .... 236
Load capacity .......................... 273
Maintenance Do-it-yourself maintenance ...................... 351
General maintenance ........... 347
Maintenance data................. 488
Maintenance requirements ... 344
Manual air conditioning system ................................... 282
Manual transmission .............. 192
Meter Auto dimmer cancel function .............................. 201
Indicators.............................. 203
Instrument panel light control......................... 201
Meters .................................. 199
Multi-information
display ........................ 210, 218
Settings ........................ 210, 228
Warning lights....................... 424
Warning messages............... 436
Microphone .............................. 301 Mirrors
Inside rear view mirror.............69
Outside rear view mirror defogger..............................298
Outside rear view mirrors ........71
Side mirror heater .................298
Side mirrors .............................71
Vanity mirrors ........................310
Multi-information display Drive information ...................221
G-force display ......................224
Language ..............................228
Multi-information display.........................210, 218
Settings .................................228
Trip information .....................211
Warning messages ...............436
Noise from under vehicle ..........16
Odometer ..........................210, 230
Oil Engine oil ..............................357
Opener Engine hood ..........................354
Fuel filler lid .............................78
Trunk lid ..................................46
Outside rear view mirrors Adjusting and folding ...............71
Outside temperature display ............................210, 230
Overheating, Engine ................481
Paddle shift levers ...................188
Parking brake ...........................197
Parking lights Switch....................................233
Power outlets ...........................312
Power windows ..........................74
Radiator ....................................362
Rear seats...................................56
M
N
O
P
R

557
BRZ_U
What to do if...
What to do if...
A tire puncturesP. 453If you have a flat tire
The engine does not start
P. 467If the engine will not start
P. 8 2Engine immobilizer system
P. 476If the battery is discharged
The select lever cannot be
moved outP. 470If the select lever cannot be shifted
from P
The engine coolant temperature gauge enters the red zone
(vehicles with a monochrome multi-information display)
The high engine coolant temperature warning light flashes or
illuminates (vehicles with a color multi-information display)
Steam can be seen coming
from under the engine hood
P. 481If your vehicle overheats
The key is lostP. 471If you lose your keys
The battery runs outP. 476If the battery is discharged
The doors cannot be lockedP. 4 3Doors
The trunk cannot be openedP. 4 6Trunk lid
The vehicle is stuck in mud
or sandP. 484If the vehicle becomes stuck