Page 495 of 700
4957-3. Do-it-yourself maintenance
7
Maintenance and care
YARIS_F_OM_Europe_OM52K19E
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. ( P. 636)
Engine coolant
1KR-FE engine2NR-FKE engine
1ND-TV engine
1
2
3
Page 496 of 700

4967-3. Do-it-yourself maintenance
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■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.
“Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deion-
ized water. (Minimum temperature: -35 C [-31F])
For more details about coolant, contact any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.
■ If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine coolant reservoir caps, drain cock
and water pump.
If you cannot find a leak, have any authorized Toyota retailer or Toyota autho-
rized repairer, or any reli able repairer test the cap and check for leaks in the
cooling system.
WARNING
■ When the engine is hot
Do not remove the radiator cap (gasoline engine), or the engine coolant res-
ervoir cap (diesel engine).
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
■ When adding coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■ If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.
Page 574 of 700

5748-2. Steps to take in an emergency
YARIS_F_OM_Europe_OM52K19E
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
● Vehicles with monochrome display: High engine coolant tempera-
ture warning light flashes or comes on
Vehicles with color display: Engine coolant temperature gauge nee-
dle continually points higher than normal
● 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, spongy feeling, pedal almost touches
the floor
If you notice any of the following symptoms, your vehicle proba-
bly needs adjustment or repair. Contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms
Page 577 of 700

5778-2. Steps to take in an emergency
8
When trouble arises
YARIS_F_OM_Europe_OM52K19E
*4
(Red warning light flashes or comes on)
*5
High engine coolant temperature warning light
Indicates that the engine is overheating.
As the coolant temperature rises, it changes from flashing
to steady on.
P. 636
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic Multidrive control system (if equipped); or
• The emission control system.
Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system.
Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system.
Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Electric power steering system warning light
(warning buzzer)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system.
Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Warning lightWarning light/Details/Actions
Page 636 of 700
6368-2. Steps to take in an emergency
YARIS_F_OM_Europe_OM52K19E
If your vehicle overheats
●Vehicles with monochrome display: The high engine coolant tem-
perature warning light ( P. 577) comes on or flashes, or a loss of
engine power is experienced. (For example, the vehicle speed
does not increase.)
Vehicles with color display:
• The needle of the engine coolant temperature gauge ( P. 1 1 6 )
enters the red zone or a loss of engine power is experienced.
(For example, the vehicles speed does not increase.)
• The warning message indicating overheat is shown on the multi-
information display. ( P. 587)
● 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.
The following may indicate that your vehicle is overheating:
Correction procedures
1
2
Page 637 of 700
6378-2. Steps to take in an emergency
8
When trouble arises
YARIS_F_OM_Europe_OM52K19E
After the engine has cooled down sufficiently, inspect the hoses and
radiator core (radiator) for any leaks.
If a large amount of coolant leaks, immediately contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
3
1KR-FE engine2NR-FKE engine
1ND-TV engine
Radiator
Cooling fan
1
2
Page 638 of 700
6388-2. Steps to take in an emergency
YARIS_F_OM_Europe_OM52K19E
The coolant level is satisfactory if it is between the “FULL” and
“LOW” lines on the reservoir.
4
1KR-FE engine2NR-FKE engine
1ND-TV engine
Reservoir
“FULL”
“LOW”
Radiator cap (except for 1ND-TV engine)
1
2
3
4
Page 639 of 700

6398-2. Steps to take in an emergency
8
When trouble arises
YARIS_F_OM_Europe_OM52K19E
Add coolant if necessary.
Water can be used in an emergency if coolant is unavailable.
Start the engine and turn the air conditioning system on to check
that the radiator cooling fan operates and to check for coolant leaks
from the radiator or hoses.
The fan operates when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fan is 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 fan may not operate in freezing temperatures.)
If the fan is not operating:
Stop the engine immediately and contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
If the fan is operating:
Have the vehicle inspected at the nearest authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer.
5
1KR-FE engine2NR-FKE engine
1ND-TV engine
6
7