Page 548 of 704
548 4-3. Do-it-yourself maintenance
YARIS_F (including HV)_WE_52C79ERemove the light bulb.
When installing, reverse the steps listed.
Replacing the following lights
If any of the lights listed below has burnt out, have it replaced by
any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
Front position lights and daytime running lights (LED type)
Stop/tail lights (LED type)
High mounted stoplight
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549 4-3. Do-it-yourself maintenance
4
Maintenance and care
YARIS_F (including HV)_WE_52C79E
LED lights
The front position lights and daytime running lights (LED type), stop/tail lights
(LED type) and high mounted stoplight consists of a number of LEDs. If any
of the LEDs burn out, take your vehicle to any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional to have the
light replaced.
If one or more LEDs in a stop light burn out, your vehicle may not conform to
local laws (ECE).
Condensation build-up on the inside of the lens
Contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional for more information in the following situations.
Temporary condensation build-up on the inside of the headlight lens does
not indicate a malfunction.
Large drops of water have built up on the inside of the lens.
Water has built up inside the headlight.
When replacing light bulbs
P. 533
CAUTION
Replacing light bulbs
Turn off the lights. Do not attempt to replace the bulb immediately after
turning off the lights.
The bulbs become very hot and may cause burns.
Do not touch the glass portion of the light bulb with bare hands. Hold the
bulb by the plastic or metal portion.
If the bulb is scratched or dropped, it may blow out or crack.
Fully install light bulbs and any parts used to secure them. Failure to do so
may result in heat damage, fire, or water entering the headlight unit. This
may damage the headlights or cause condensation to build up on the lens.
To prevent damage or fire
Make sure bulbs are fully seated and locked.
Page 551 of 704

5When trouble arises
551
YARIS_F (including HV)_WE_52C79E
5-1. Essential information
Emergency flashers .......... 552
If your vehicle needs to
be towed ......................... 553
If you think something is
wrong .............................. 563
Fuel pump shut off system
(except hybrid vehicle
[gasoline engine only]).... 564
5-2. Steps to take in an
emergency
If a warning light turns on
or a warning buzzer
sounds... ........................ 565
If you have a flat tire
(vehicles with
a spare tire) .................... 582
If you have a flat tire
(vehicles with
an emergency tire
puncture repair kit).......... 594
If the engine will not start
(except hybrid vehicle).... 611
If the hybrid system will not
start (hybrid vehicle) ....... 614
If the shift lever cannot be
shifted from P (vehicles
with a hybrid transmission
or a Multidrive) ................ 616
If the shift lever cannot be
shifted (vehicles with
a multi-mode manual
transmission) .................. 617If you lose your keys ......... 618
If the electronic key does
not operate properly ....... 619
If the vehicle battery is
discharged
(except hybrid vehicle).... 624
If the vehicle’s 12-volt
battery is discharged
(hybrid vehicle) ............... 631
If your vehicle overheats
(except hybrid vehicle).... 635
If your vehicle overheats
(hybrid vehicle) ............... 639
If you run out of fuel and
the engine stalls
(diesel engine only) ........ 644
If the vehicle becomes
stuck ............................... 647
If your vehicle has to
be stopped in
an emergency ................. 650
Page 552 of 704
552
YARIS_F (including HV)_WE_52C79E
5-1. Essential information
Emergency flashers
Emergency flashers
Except hybrid vehicle: If the emergency flashers are used for a long time
while the engine is not operating, the battery may discharge.
Hybrid vehicle: If the emergency flashers are used for a long time while
the hybrid system is not operating (while the “READY” indicator is not illu-
minated), the 12-volt battery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.
Press the switch.
All the turn signal lights will
flash. To turn them off, press
the switch once again.
Page 563 of 704

5
563
5-1. Essential information
When trouble arises
YARIS_F (including HV)_WE_52C79E
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional as
soon as possible.
Visible symptoms
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
Except hybrid vehicle: Low engine coolant temperature indi-
cator comes on or does not come on continuously
Audible symptoms
Changes in exhaust sound
Excessive tire squeal when cornering
Strange noises related to the suspension system
Except hybrid vehicle: Pinging or other noises related to the
engine
Hybrid vehicle: Pinging or other noises related to the hybrid
system
Operational symptoms
Engine missing, 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
Page 565 of 704

5
565
When trouble arises
YARIS_F (including HV)_WE_52C79E
5-2. Steps to take in an emergency
If a war ning light tur ns on or a warning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle
may be dangerous.
The following warning indicates a possible problem in the brake sys-
tem. Immediately stop the vehicle in a safe place and contact any
authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
*: Parking brake engaged warning buzzer:
The buzzer sounds to indicate that the parking brake is still engaged (with
the vehicle having reached a speed of 5 km/h [3 mph]).
Warning lightWarning light/Details
(Red indicator*)
Brake system warning light and warning buzzer
• Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released, the system is operating normally.
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then goes
off, this does not necessarily indicate a malfunction in the system.
However, if this continues to occur, have the vehicle inspected by
any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
Page 566 of 704
566 5-2. Steps to take in an emergency
YARIS_F (including HV)_WE_52C79E
Stop the vehicle immediately.
The following warnings indicate the possibility of damage to the
vehicle that may lead to an accident. Immediately stop the vehicle
in a safe place and contact any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.
Warning lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system.
Low engine oil pressure warning light
Indicates that the engine oil pressure is too low.
(Flashes or
comes on)High engine coolant temperature warning light
Indicates that the engine is overheating. (P. 635, 639)
• Flashes: Engine is overheating. Drive carefully.
• Comes on: Engine is overheated. Stop the vehicle.
Hybrid system warning light and warning buzzer
(hybrid vehicle)
Indicates a malfunction in the hybrid system.
Page 567 of 704

5
567 5-2. Steps to take in an emergency
When trouble arises
YARIS_F (including HV)_WE_52C79EThe following warning indicates the possibility of damage to the
vehicle that may lead to an accident. Immediately stop the vehicle
in a safe place and take the specified steps to correct the sus-
pected problem.
Immediately stop the vehicle in a safe place and take the specified
steps to correct the suspected problem.
Warning lightWarning light/DetailsCorrection procedure
(Comes on)
(if equipped)Multi-mode manual trans-
mission warning light
Indicates a malfunction in
the multi-mode manual
transmission system. Have the system checked
by any authorized Toyota
dealer or repairer, or
another duly qualified and
equipped professional.
Multi-mode manual trans-
mission warning light
(warning buzzer)
Indicates a malfunction in
the multi-mode manual
transmission system and
that the clutch has become
hot due to excessive load. Pull over and shift the shift
lever to N. Wait for about 15
minutes for the clutch to
cool down. Have the system
checked by any authorized
Toyota dealer or repairer, or
another duly qualified and
equipped professional.
Warning lightWarning light/DetailsCorrection procedure
(Flashes)
(if equipped)Heat clutch warning light
(warning buzzer)
Indicates that the clutch
has become hot, but does
not indicate a malfunction
in the multi-mode manual
transmission system.Pull over and shift the shift
lever to N. Wait for about 15
minutes for the clutch to
cool down.