air conditioning SUBARU BRZ 2018 Owner's Guide

400 4-3. Do-it-yourself maintenance
BRZ_U (A4450BE-A)
Fuse layout and amperage ratings■ Engine compartment
FuseAmpereCircuit
1MIR HTR 7.5 A Outside rear view mirror defoggers
2RDI 25 A Electric cooling fan
3(PUSH-AT) 7.5 A Engine control unit
4ABS NO. 1 40 A ABS
5HEATER 50 A Air conditioning system
6WASHER 10 A Windshield washer
7WIPER 30 A Windshield wipers
8RR DEF 30 A Rear window defogger
9(RR FOG) 10 A
10D FR DOOR 25 A Power window (driver’s side)
11(CDS) 25 A Electric cooling fan
12D-OP 25 A
13ABS NO. 2 25 A ABS
14D FL DOOR 25 A Power window (passenger’s side)
15SPARE See note. Spare fuse

403
4-3. Do-it-yourself maintenance
4
Maintenance and care
BRZ_U (A4450BE-A)
■
Instrument panel
FuseAmpereCircuit
1ECU ACC 10 A Main body ECU, outside rear view
mirrors
2P/POINT No.2 15 A Power outlet
3PANEL 10 A Illumination
4TAIL 10 A Tail lights
5DRL 10 A Daytime running light system
6UNIT IG1 10A
7STOP 7.5 A Stop lights
8OBD 7.5 A On-board diagnosis system
9HEATER-S 7.5 A Air conditioning system
10HEATER 10 A Air conditioning system
11FR FOG LH 10 A Left-hand front fog light
12FR FOG RH 10 A Right-hand front fog light
13BK/UP LP 7.5 A Back-up lights
14ECU IG1 10 A ABS, electric power steering
15AM1 7.5 A Starting system
16AMP 15 A Audio system
17AT UNIT 15 A Transmission
18GAUGE 7.5 AGauge and meters, keyless access
with push button start system
19ECU IG2 10 A Engine control unit
20SEAT HTR LH 10 A Left-hand seat heater
21SEAT HTR RH 10 A Right-hand seat heater
22RADIO 7.5 A Audio system
23P/POINT No.1 15 A Power outlet

426
5-1. Essential information
BRZ_U (A4450BE-A)
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact your SUBARU dealer as soon as
possible.
■Visible symptoms
● Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Vehicles with a monochrome multi-information display: The
engine coolant temperature gauge needle continually points
higher than normal
● Vehicles with a color multi-information display: The high
engine coolant temperature warning light flashes or illumi-
nates
■ Audible symptoms
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
● Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, spongy feeling, pedal almost
touches the floor

482 5-2. Steps to take in an emergency
BRZ_U (A4450BE-A)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■ Avoiding a discharged battery
●Turn off the headlights and the air conditioning system while the engine is
off.
● Turn off any unnecessary electrical components when the vehicle is run-
ning at a low speed for an extended period, such as in heavy traffic, etc.
■ Charging the battery
The electricity stored in the battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of cer-
tain electrical appliances. If the vehicle is left for a long time, the battery may
discharge, and the engine may be unable to start. (The battery recharges
automatically during driving.)
■ Precautions when the battery is discharged (vehicles with a keyless
access with push button start system)
●In some cases, it may not be possible to unlock the doors using the key-
less access with push button start system when the battery is dis-
charged. Use the remote keyless entry system or the mechanical key to
lock or unlock the doors.
● The engine may not start on the first attempt after the battery has
recharged but will start normally after the second attempt. This is not a
malfunction.
● The push-button ignition switch mode is memorized by the vehicle. When
the battery is reconnected, the system will return to the mode it was in
before the battery was discharged. Before disconnecting the battery, turn
the push-button ignition switch off.
If you are unsure what mode the push-button ignition switch was in
before the battery discharged, be especially careful when reconnecting
the battery.

486 5-2. Steps to take in an emergency
BRZ_U (A4450BE-A)The coolant level is satisfactory if
it is between the “FULL” and
“LOW” lines on the reservoir.
Reservoir
“FULL”
“LOW”
Radiator cap
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the air conditioning system on to
check that the radiator cooling fans operate and to check for
coolant leaks from the radiator or hoses.
The fans operate when the air conditioning system is turned on
immediately after a cold start. Confirm that the fans are operating by
checking the fan sound and air flow. If it is difficult to check these,
turn the air conditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating: Stop the engine immediately and contact your SUBARU
dealer.
If the fans are operating: Have the vehicle inspected at the nearest SUBARU dealer.
STEP 4
STEP 5
STEP 6
STEP 7

515
6-1. Specifications
6
Vehicle specifications
BRZ_U (A4450BE-A)
Warning: The temperature grades of a tire assume that it is properly
inflated and not overloaded.
Excessive speed, underinflation, or excessive loading, either sepa-
rately or in combination, can cause heat buildup and possible tire fail-
ure.
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressure Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressure The maximum cold inflated pressure to which a
tire may be inflated, shown on the sidewall of
the tire
Recommended
inflation pressure Cold tire inflation pressure recommended by a
manufacturer.
Accessory weight The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded
vehicle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight

555
BRZ_U (A4450BE-A)
Alphabetical index
Alphabetical index
A/C .................................... 286, 293
ABS........................................... 257
Access keyIf the access key does not operate properly........... 476
Air conditioning filter.............. 389
Air conditioning system Air conditioning filter ............. 389
Automatic air conditioning system................................ 293
Manual air conditioning system................................ 286
Airbags Airbag operating conditions................... 108, 116
Airbag precautions for your child............................ 125
Airbag warning light .............. 430
Curtain airbag
operating conditions........... 116
Curtain airbag precautions ........................ 125
Front passenger occupant detection system ................ 131
General airbag precautions ........................ 125
Locations of airbags ............... 93
Modification and disposal of airbags ............. 128
Proper driving
posture ......................... 91, 125
Side airbag operating conditions........................... 116
Side airbag precautions ........................ 125
Side and curtain airbags
operating conditions........... 116
Side and curtain airbags precautions ........................ 125
SRS airbag instructions for Canadian owners .......... 532
SRS airbags ........................... 93 Alarm ...........................................87
Anti-lock brake system............257
Audio input ...............................304
Audio system
Audio input ............................304
AUX port................................304
iPod .......................................304
Portable music player............304
USB memory .........................304
USB port................................304
Auto dimmer cancel function ..................................201
Automatic air conditioning system ....................................293
Automatic headlight leveling system ......................237
Automatic light control system .......................233
Automatic transmission Automatic transmission .........185
If the select lever cannot be shifted from P......................474
Manual mode ........................188
Mode select switch ................187
Paddle shift levers .................188
AUX port ...................................304
Back-up lights Replacing light bulbs .............405
Wattage .................................504
Battery Checking ...............................368
If the vehicle has a discharged battery ..............480
Preparing and checking
before winter .......................277
Bottle holders ...........................310
Brake Fluid ......................................366
Parking brake ........................197
Brake assist..............................257
Break-in tips .............................159A
B

559
Alphabetical index
BRZ_U (A4450BE-A)
Language (multi-information
display) .................................. 228
License plate lights Replacing light bulbs ............ 405
Wattage ................................ 504
Light bulbs
Replacing ............................. 405
Wattage ................................ 504
Lights Door courtesy lights.............. 306
Engine switch light................ 306
Fog light switch..................... 239
Hazard light switch ............... 418
Hazard warning flasher switch ................................. 418
Headlights switch ................. 233
Interior light switch................ 307
Replacing light bulbs ............ 405
Trunk light............................... 48
Turn signal lever ................... 195
Vanity lights .......................... 314
Wattage ................................ 504
Welcome lighting function .... 236
Load capacity .......................... 276
Maintenance Do-it-yourself maintenance ...................... 355
General maintenance ........... 351
Maintenance data................. 492
Maintenance requirements ... 348
Manual air conditioning system ................................... 286
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 .......................428
Warning messages ...............440
Microphone...............................305
Mirrors Inside rear view mirror.............69
Side mirror heater .................302
Side mirrors .............................71
Vanity mirrors ........................314
Multi-information display Drive information ...................221
G-force display ......................224
Language ..............................228
Multi-information display.........................210, 218
Settings .................................228
Trip information .....................211
Warning messages ...............440
Noise from under vehicle ..........16
Odometer ..........................210, 230
Oil Engine oil ..............................361
Opener Engine hood ..........................358
Fuel filler lid .............................78
Trunk lid ..................................46
Outside rear view mirrors Adjusting and folding ...............71
Outside temperature display ............................210, 230
Overheating, Engine ................485L
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