2019 TOYOTA AYGO cooling

4648-2. Steps to take in an emergency
AYGO_OM_Europe_OM99R19E
WARNING
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flam-
mable gas that may be emitted from the battery:
● Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the intended terminal.
● Do not allow the other end of the jumper cable connected to the “+” termi-
nal to come into contact with any other parts or metal surfaces in the area,
such as brackets or unpainted metal.
● Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
● Do not smoke, use matches, cigarette lighters or allow open flame near
the battery.
■ Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while
related parts contain lead and lead compounds. Observe the following pre-
cautions when handling the battery:
● When working with the battery, always wear safety glasses and take care
not to allow any battery fluids (acid) to come into contact with skin, clothing
or the vehicle body.
● Do not lean over the battery.
● In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medical attention
can be received.
● Always wash your hands after handling the battery support, terminals, and
other battery-related parts.
● Do not allow children near the battery.
■ To prevent damage to the vehicle
Do not pull- or push-start the vehicle as the three-way catalytic converter
may overheat and become a fire hazard.
NOTICE
■ When handling jumper cables
When connecting the jumper cables, ensure that they do not become entan-
gled in the cooling fan or engine drive belt.

4658-2. Steps to take in an emergency
8
When trouble arises
AYGO_OM_Europe_OM99R19E
If your vehicle overheats
●The high engine coolant temperature warning light (P. 417) comes
on or flashes, or a loss of engine power is experienced. (For exam-
ple, the vehicle speed 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 sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks.
Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact any
authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
The following may indicate that your vehicle is overheating.
Correction procedures
1
2

4668-2. Steps to take in an emergency
AYGO_OM_Europe_OM99R19E
The coolant level is satisfactory if it is between the “FULL” or “F”
and “LOW” lines on the reservoir.
Radiator cap
Reservoir
“FULL” or “F”
“LOW”
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 fan operate and to check for coolant leaks
from the radiator or hoses.
The fan operate when the air conditioning system is turned on immediately
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 tem-
peratures.)
Ty pe ATy pe B
1
2
3
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4678-2. Steps to take in an emergency
8
When trouble arises
AYGO_OM_Europe_OM99R19E
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 any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
WARNING
■ When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
● If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot.
● Keep hands and clothing (especially a tie, a scarf or a muffler) away from
the fan and belts. Failure to do so may cause the hands or clothing to be
caught, resulting in serious injury.
● Do not loosen the radiator cap while the engine and radiator are hot. High
temperature steam or coolant could spray out.
NOTICE
■ When adding engine coolant
Add coolant slowly after the engine has cooled down sufficiently. Adding
cool coolant to a hot engine too quickly can cause damage to the engine.
■ To prevent damage to the cooling system
Observe the following precautions:
● Avoid contaminating the coolant with foreign matter (such as sand or dust,
etc.).
● Do not use any coolant additives.

4779-1. Specifications
9
Vehicle specifications
AYGO_OM_Europe_OM99R19E
*: The identification code is indicated
at the locations shown in the illus-
tration.
Cooling system
Capacity
(Reference)
0Q011,
0Q021*3.7 L (3.9 qt., 3.3 Imp.qt.)
0Q090*4.4 L (4.6 qt., 3.9 Imp.qt.)
Coolant type
Use either of the following:
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based non-
silicate, non-amine, non- nitrite, and non-borate
coolant with long-life hybrid organic acid tech-
nology
Do not use plain water alone.
On the back side

494Alphabetical index
AYGO_OM_Europe_OM99R19E
Child-protectors ....................... 121
Cleaning............................ 346, 350Aluminum wheels .................. 347
Canvas top ............................ 346
Exterior.................................. 346
Interior ................................... 350
Seat belts .............................. 351
Clock ......................................... 342
Clutch........................................ 479
Condenser ................................ 366
Cooling system Engine overheating ............... 465
CRS (Child Restraint System) .................................... 50
Cup holders .............................. 336
Curtain shield airbags ............... 34
Customizable features ............ 485
Daytime running light system .................................... 201
Defogger Outside rear view mirrors ........................ 322, 328
Rear window ................. 322, 328
Windshield .................... 322, 328
Dimension ................................ 472
Display
Drive monitor display ............ 103
Trip information ..................... 103
Do-it-yourself maintenance .... 355
Doors Back door .............................. 123
Door glasses ......................... 163
Door lock ....................... 118, 123
Open door warning buzzer.... 131
Open door warning light ........ 421
Outside rear view mirrors ...... 161
Rear door
child-protectors ................... 121
Side doors ............................. 118
Drive monitor display .............. 103 Switching the display ............ 103
Trip information ..................... 103
Driving ...................................... 170 Break-in tips .......................... 173
Correct posture ....................... 28
Procedures ........................... 170
Winter drive tips .................... 253
Electric Power Steering (EPS)....................................... 247Function ................................ 247
Warning light ......................... 419
Electronic key .......................... 110 Battery-saving function ......... 132
If the electronic key does not
operate properly ................. 458
Replacing the battery ............ 383
Emergency, in case of If the electronic key does not operate properly ................. 458
If the engine will not start ...... 455
If the shift lever cannot be shifted................................. 457
If the vehicle has discharged battery ................................ 461
If the warning buzzer
sounds................................ 417
If the warning light turns on .............................. 417
If you have a flat tire ..... 427, 442
If you lose your keys ............. 112
If you think something is wrong.................................. 415
If your vehicle becomes stuck ................................... 468
If your vehicle needs to be towed.................................. 409
If your vehicle overheats ....... 465
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