2018 TOYOTA YARIS HATCHBACK coolant level

792. Instrument cluster
2
Instrument cluster
Warning lights inform the driver of malfunctions in the indicated vehi-
cle’s systems.
Warning lights
*1
(Except Canada)
Brake system warning
light ( →P. 422)
*1Electric power steering
system warning light
(→P. 423)
*1
(Canada)
Brake system warning
light ( →P. 422)
*1, 2, 5
PCS warning light
(→P. 424)
*1Charging system warn-
ing light ( →P. 422)*1, 3Slip indicator
(→P. 424)
*1
Low engine oil pressure
warning light ( →P. 422)
*2
(Yellow)
Automatic High Beam
indicator ( →P. 424)
*1
(Red)
High engine coolant
temperature warning
light ( →P. 422)*2
(Yellow)
Cruise control indicator
(→P. 425)
*1
(Except Canada)
Malfunction indicator
lamp ( →P. 423)
*2
(Yellow)
LDA indicator
(→P. 425)
*1
(Canada)
Malfunction indicator
lamp ( →P. 423)
*2, 4
(Yellow)
Lane marker indicators
(→P. 425)
*1SRS warning light
(→P. 423)Open door warning light
(→P. 425)
*1
(Except Canada)
ABS warning light
(→P. 423)Low fuel level warning
light ( →P. 425)
*1
(Canada)
ABS warning light
(→P. 423)Driver’s and front pas-
senger’s seat belt
reminder light ( →P. 425)

3497-2. Maintenance
7
Maintenance and care
General maintenance
Listed below are the general maintenance items that should be
performed at the intervals specified in the “Owner’s Warranty
Information Booklet” or “Owner’s Manual Supplement/Sched-
uled Maintenance Guide”. It is recommended that any problem
you notice should be brought to the attention of your Toyota
dealer or qualified service shop for advice.
Engine compartment
ItemsCheck points
BatteryCheck the battery fluid and connections. ( →P. 367)
Brake fluidIs the brake fluid at the correct level? (→P. 366)
Engine coolantIs the engine coolant at the correct level?( →P. 364)
Engine oilIs the engine oil at the correct level? (→P. 361)
Exhaust systemThere should not be any fumes or strange sounds.
Radiator/condenserThe radiator and condenser should be free from for-
eign objects. (→P. 365)
Washer fluidIs there sufficient washer fluid? (→P. 369)

3537-3. Do-it-yourself maintenance
7
Maintenance and care
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsParts and tools
Battery condition
(→ P. 367)• Warm water• Baking soda• Grease
• Conventional wrench (for terminal clamp bolts)
• Distilled water
Brake fluid level
(→ P. 366)
• FMVSS No.116 DOT 3 or SAE J1703;
FMVSS No.116 DOT 4 or SAE J1704 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine coolant
level ( →P. 364)
• “Toyota Super Long Life Coolant” or a similar high
quality ethylene glycol-based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology
Except Canada
“Toyota Super Long Life Coolant” is pre-mixed with
50% coolant and 50% deionized water.
Canada
“Toyota Super Long Life Coolant” is pre-mixed with
55% coolant and 45% deionized water.
• Funnel (used only for adding engine coolant)
Engine oil level
( → P. 361)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)

3607-3. Do-it-yourself maintenance
Engine compartment
Fuse boxes (→P. 391)
Engine oil filler cap (→ P. 362)
Battery ( →P. 367)
Brake fluid reservoir (→ P. 366)
Radiator (→ P. 365)Condenser (
→P. 365)
Electric cooling fan
Engine coolant reservoir (→ P. 364)
Engine oil level dipstick (→ P. 361)
Washer fluid tank ( →P. 369)1
2
3
4
5
6
7
8
9
10

3647-3. Do-it-yourself maintenance
The coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir when the engine is cold.Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the
“LOW” line, add coolant up to
the “FULL” line.
■Coolant selection
Only use “Toyota Super Long Life Coolant” or a similar high quality ethylene
glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with
long-life hybrid organic acid technology.
Except Canada
“Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deion-
ized water. (Minimum temperature: -31°F [-35°C])
Canada
“Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45% deion-
ized water. (Minimum temperature: -44°F [-42°C])
For more details about coolant, contact your Toyota dealer.
■ If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine coolant reservoir caps, radiator
cap, drain cock and water pump.
If you cannot find a leak, have your Toyota dealer test the cap and check for
leaks in the cooling system.
Engine coolant
1
2
3

4208-2. Steps to take in an emergency
If you think something is wrong
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal)
● Flat-looking tires or uneven tire wear
● High engine coolant temperature warning light flashes or comes on
● Low engine coolant temperature indicator comes on or does not
come on continuously
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
● Engine misfire, stumbling or running roughly
● 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, spon gy feeling, pedal almost touches
the floor
If you notice any of the follow ing symptoms, your vehicle proba-
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4538-2. Steps to take in an emergency
8
When trouble arises
If your vehicle overheats
●The high engine coolant temperature warning light ( →P. 422)
comes on or flashes, or a loss of engine power is experienced. (For
example, the vehicle sp eed does not increase.)
● Steam comes out from under the hood.
Stop the vehicle in a safe place and turn off the air conditioning sys-
tem, 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 sufficient ly, inspect the
hoses and radiator core (radia-
tor) for any leaks.
Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir.Reservoir
“FULL”
“LOW”
Radiator cap
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2
4
1
2
3
4

519Alphabetical index
Warning buzzersBrake system ....... ................. 422
Key reminder ........................ 147
Open door ............................. 425
PCS (Pre-Collision System) .............................. 177
Seat belt reminder ................ 425
Warning lights............................ 79 ABS....................................... 423
Automatic High Beam indicator .............................. 424
Brake system ....... ................. 422
Charging system ................... 422
Cruise control indicator ......... 425
Driver’s and front passenger’s seat belt
reminder light...................... 425
Electric power steering system ......... ....................... 423
High engine coolant temperature ........................ 422
LDA (Lane Departure Alert)
indicator .............................. 425
Low engine oil pressure ........ 422
Low fuel level ........................ 425
Low windshield washer fluid ..................................... 426
Maintenance required
reminder light...................... 426
Malfunction indicator lamp .... 423
Open door ............................. 425
PCS (Pre-Collision System) .............................. 424
Slip indicator ......................... 424
SRS ...................................... 423
Tire pressure......................... 426 Washer ............................. 162, 165
Checking............................... 369
Preparing and checking before winter ...................... 221
Switch ........................... 162, 165
Warning light......................... 426
Washing and waxing ............... 340
Weight ...................................... 460
Wheels ...................................... 382 Replacing.............................. 382
Size....................................... 469
Window glasses ...................... 122
Window lock switch ................ 122
Windows................................... 122 Power windows..................... 122
Rear window defogger.......... 322
Washer ......................... 162, 165
Windshield wipers ................... 162
Winter driving tips ................... 221
Wireless remote control key ............................................ 93 Locking/Unlocking .................. 93
Replacing the battery............ 388
WMA disc
*............................... 247
W
*: For vehicles with Entune Audio Plus,
refer to the “MULTIMEDIA SYSTEM OWNER’S MANUAL”