2018 TOYOTA GT86 coolant level

320
4-2. Maintenance
General maintenance
Engine compartment
ItemsCheck points
Battery Check the connections.
(P. 339)
Brake fluid At the correct level? ( P. 337)
Engine coolant At the correct level? ( P. 335)
Engine oil At the correct level? ( P. 332)
Exhaust system No fumes or strange sounds?
Radiator/condenser/hoses Not blocked with foreign matter?
(
P. 337)
Washer fluid At the correct level? (P. 343)
Listed below are the general maintenance items that should be p er-
formed at the intervals specifie d in the “Owner's Warranty Info rma-
tion Booklet” or “Owner’s Manual Supplement/Scheduled
Maintenance Guide”. It is recomme nded that any problem you notice
should be brought to the attention of your Toyota dealer or qua lified
service shop for advice.

324
4-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance yourself, be sure to follow the correct
procedure as given in these sections.
ItemsParts and tools
Battery condition ( P. 339)•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
• Distilled water
Brake fluid level ( P. 337)• FMVSS No.116 fresh DOT 3
brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant level ( P. 335)• “TOYOTA Genuine 50/50 Pre-
mixed Super Long Life Coolant
BLUE” or similar high-quality
ethylene glycol-based non-
silicate, non-amine, non-nitrite
and non-borate coolant with long-
life hybrid organic acid
technology.
“TOYOTA Genuine 50/50 Pre-
mixed Super Long Life Coolant
BLUE” is pre-mixed with 50%
coolant and 50% deionized
water.
• Funnel (used only for adding engine coolant)
Engine oil level ( P. 332)• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used only for adding engine oil)

331
4-3. Do-it-yourself maintenance
4
Maintenance and care
Engine compar tment
Battery( P. 3 3 9 )
Engine oil level dipstick ( P. 3 3 2 )
Brake fluid reservoir ( P. 3 3 7 )
Engine oil filler cap ( P. 3 3 3 )Washer fluid tank
( P. 3 4 3 )
Electric cooling fans
Condenser ( P. 3 3 7 )
Radiator ( P. 3 3 7 )
Engine coolant reservoir ( P. 3 3 5 )
Fuse box ( P. 3 6 7 )

335
4-3. Do-it-yourself maintenance
4
Maintenance and care
Engine coolant
The coolant level is satisfactory if it is between the “FULL” a nd “LOW”
lines on the reservoir w hen the engine is cold.
Reservoir cap
“FULL”
“LOW”
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■ When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
● Avoid overfilling, or the engine could be damaged.
● Check the oil level on the dipstick every time you refill the v ehicle.
● Be sure the engine oil filler cap is properly tightened.
■If the coolant level drops within a short time after replenishi ng
Visually check the radiator, hoses, engine coolant filler cap, radiator cap,
drain cock and water pump.
If you cannot find a leak, have your Toyota dealer pressure test the cap and
check for leaks in the cooling system.

5
When trouble arises
393
5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle proba bly
needs adjustment or repair. Cont act your Toyota dealer as soon as
possible.
■ Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from t he 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 wa rning 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, s pongy feeling, pedal almost
touches the floor

450 5-2. Steps to take in an emergency
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 Toyota dealer.
If the fans are operating:
Have the vehicle in spected at the neare st Toyota dealer.
STEP 4
STEP 5
STEP 6
STEP 7

528 Alphabetical index
Transmission shift switches ......................... 181, 183
Trip meter ......................... 200, 219
Trunk Opener ....................................46
Trunk light Wattage ................................. 469
Turn signal lights
Switch.................................... 188
USB port ................................... 286
Vanity mirrors........................... 297
Vehicle identification number ................................... 459
Vehicle stability control........... 245
VSC............................................ 245
Warning buzzers Electric power steering .......... 397
Seat belt reminder ................. 399
Smart key system.......... 409, 413
Warning lights
Automatic headlight leveling system .... ............... 397
Automatic transmission
fluid temperature
warning light........................ 399
Anti-lock brake
system ................................ 397
Brake assist system .............. 397
Brake system ........................ 395
Charging system .... ............... 396
Cruise control indicator light....................... 397
Electric power steering system warning light ........... 397
Electronic engine control
system ................................ 397 Engine oil pressure ............... 396
High engine coolant
temperature ........................ 396
Low fuel level ........................ 399
Low tire pressure .................. 399
Malfunction indicator lamp .................................... 397
Master warning light .............. 399
Open door ............................. 399
Pretensioners ........................ 397
Seat belt reminder
light ..................................... 399
Slip indicator light .................. 397
Smart key system ......... 409, 413
SRS airbags .......................... 397
Tire pressure warning system ................................ 399
Warning messages .................. 407
Washer Checking ............................... 343
Preparing and checking
before winter ....................... 261
Switch ................................... 229
Washing and waxing ............... 308
Weight Cargo capacity ...................... 256
Load limits ............................. 260
Weight ................................... 458
Wheels ...................................... 357
Window glasses ........................ 72
Window lock switch................... 72
Windows
Power windows ....................... 72
Rear window defogger .......... 284
Washer.................................. 229
Windshield wipers ................... 229
Winter driving tips ................... 261
Wireless remote control key Locking/Unlocking ................... 38
Replacing the battery ............ 363
Wireless remote control key.... 38
U
V
W

531
What to do if...
■
Warning lights
P. 409, 413
or
P. 395P. 397
P. 396P. 397
P. 396P. 397
P. 396P. 399
P. 399
or
P. 397P. 399
P. 397P. 399
P. 399
or
P. 397P. 399
P. 397P. 399
*1: The light flashes or illuminates in red to indicate a malfunc tion.
*2: The light comes on in yellow to indicate a malfunction.
Brake system warning
lightSmart key system indicator
light
Slip indicator
Charging system warn-
ing lightAutomatic headlight leveling sys-
tem warning light
Low engine oil pressure
warning lightCruise control indicator
light
*2
High engine coolant temperature
warning light
*1Open door warning light
Malfunction indicator
lampLow fuel level warning
light
Driver’s seat belt
reminder light
SRS warning lightFront passenger’s seat belt
reminder light
ABS warning lightTire pressure warning
light
Automatic transmission fluid tem-
perature warning light
Electric power steering
warning lightMaster warning light