2018 TOYOTA YARIS HATCHBACK radiator

4548-2. Steps to take in an emergency
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 opera tes 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 your Toyota dealer.
If the fan is operating:
Have the vehicle in spected at the nearest Toyota dealer.
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4558-2. Steps to take in an emergency
8
When trouble arises
WARNING
■To prevent an accident or injury 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 while the engine is operating.
● Do not loosen the radiator cap or the reservoir cap while the engine and\
radiator are hot.
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.

516Alphabetical index
Radiator .................................... 365
Radio
*...................................... 245
Rear seat .................................. 109 Folding down the rear
seatbacks ........................... 109
Rear side marker lights ........... 156 Light switch ........................... 156
Replacing light bulbs............. 404
Wattage ................................ 470
Rear turn signal lights............. 154
Replacing light bulbs............. 404
Turn signal lever ................... 154
Wattage ................................ 470
Rear view mirror Inside rear view mirror .......... 118
Outside rear view mirrors...... 120
Rear view monitor ................... 205
Rear window defogger ............ 322
Rear window wiper .................. 165
Refueling .................................. 168 Capacity ................................ 464
Fuel types ............................. 464
Opening the fuel tank cap ..... 170
Replacing Fuses .................................... 391
Light bulbs ............................ 396
Tires ...................................... 433
Wireless remote control
battery ................................ 388
Resetting the maintenance required reminder light ......... 348 Seat belt reminder light .......... 425
Seat belts ................................... 28
Automatic locking retractor (ALR) .................................... 31
Child restra int system
installation ............................ 59
Cleaning and maintaining
the seat belt........................ 345
Emergency Locking Retractor (ELR) .................................... 31
How to wear your seat belt ..... 28
How your child should wear the seat belt.......................... 31
Pregnant women, proper seat belt use ......................... 33
Reminder light and buzzer.... 425
Seat belt pretensioners........... 31
SRS warning light ................. 423
Seat heaters ............................. 326
Seats ................................. 106, 109
Adjustment............................ 106
Adjustment precautions ........ 108
Child seats/child restraint system installation ................ 57
Cleaning ............................... 344
Folding down the rear
seatbacks ........................... 109
Head restraints ..................... 113
Properly sitting in the seat ...... 26
Sensor Automatic High Beam ........... 196
LDA
(Lane Departure Alert) ....... 191
PCS
(Pre-Collision system) ........ 177
RS