2022 TOYOTA YARIS key battery

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HV Owner's Manual_Europe_M52N30_en
Pictorial indexSearch by illustration
For safety
and security
Make sure to read through them
(Main topics: Child seat, theft deterrent system)
Vehicle status
information and
indicators
Reading driving-related information
(Main topics: Meters, multi-information display)
Before driving
Opening and closing the doors and windows, adjustment
before driving
(Main topics: Keys, doors, seats, power windows)
DrivingOperations and advice which are necessary for driving
(Main topics: Starting hybrid system, refueling)
Interior featuresUsage of the interior features
(Main topics: Air conditioner, storage features)
Maintenance
and care
Caring for your vehicle and maintenance procedures
(Main topics: Interior and exterior, light bulbs)
When trouble
arises
What to do in case of malfunction and emergency
(Main topics: 12-volt battery discharge, flat tire)
Vehicle
specifications
Vehicle specifications, customizable features
(Main topics: Fuel, oil, tire inflation pressure)
IndexSearch by symptom
Search alphabetically

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HV Owner's Manual_Europe_M52N30_en
TABLE OF CONTENTS
5-1. Using the air conditioning
system and defogger
Automatic air conditioning sys-
tem .................................... 288
Heated steering wheel/seat
heaters.............................. 293
5-2. Using the interior lights
Interior lights list .................. 295
5-3. Using the storage features
List of storage features ....... 297
Luggage compartment features
.......................................... 299
5-4. Other interior features
Other interior features ......... 303
6-1. Maintenance and care
Cleaning and protecting the
vehicle exterior ................. 312
Cleaning and protecting the
vehicle interior .................. 315
6-2. Maintenance
Maintenance requirements . 318
6-3. Do-it-yourself maintenance
Do-it-yourself service precau-
tions .................................. 320
Hood ................................... 322
Positioning a floor jack ........ 323
Engine compartment........... 325
12-volt battery ..................... 330
Tires .................................... 332
Tire inflation pressure ......... 342
Wheels ................................ 344
Air conditioning filter ........... 346
Cleaning the hybrid battery (trac-
tion battery) air intake vent and
filter ................................... 348
Wireless remote control/elec-
tronic key battery .............. 351
Checking and replacing fuses
.......................................... 354
Light bulbs .......................... 357
7-1. Essential information
Emergency flashers ............ 366
If your vehicle has to be stopped
in an emergency ............... 366
If the vehicle is submerged or
water on the road is rising 367
5Interior features
6Maintenance and care
7When trouble arises

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HV Owner's Manual_Europe_M52N30_en
TABLE OF CONTENTS
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5
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3
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8
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7-2. Steps to take in an emergency
If your vehicle needs to be towed
.......................................... 369
If you think something is wrong
.......................................... 372
If a warning light turns on or a
warning buzzer sounds..... 374
If a warning message is dis-
played ............................... 383
If you have a flat tire (vehicles
with an emergency tire punc-
ture repair kit) ................... 386
If you have a flat tire (vehicles
with a spare tire) ............... 397
If the hybrid system will not start
.......................................... 405
If you lose your keys ........... 407
If the electronic key does not
operate properly (vehicles with
a smart entry & start system)
.......................................... 407
If the 12-volt battery is dis-
charged............................. 409
If your vehicle overheats ..... 414
If the vehicle becomes stuck
.......................................... 417
8-1. Specifications
Maintenance data (fuel, oil level,
etc.)................................... 420
Fuel information .................. 430
8-2. Customization
Customizable features ........ 431
8-3. Initialization
Items to initialize ................. 440
8-4. Certifications
Certifications ....................... 441
What to do if... (Troubleshooting)
.......................................... 572
Alphabetical Index .............. 575
8Vehicle specifications
Index

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HV Owner's Manual_Europe_M52N30_en
3-1. Key information
3-1.Key info rmation
The following keys are provided
with the vehicle.
Vehicles without a smart entry &
start system (type A)
Key (with a wireless remote con-
trol function)
Operating the wireless remote control
function ( P.130)
Key (without a wireless remote
control function)
Key number plate
Vehicles without a smart entry &
start system (type B)
Key (with a wireless remote con-
trol function)
Operating the wireless remote control
function ( P.130)
Key number plate
Vehicles with a smart entry &
start system
Electronic keys
• Operating the smart entry & start sys-
tem ( P.140)
• Operating the wireless remote control
function ( P.130)
Mechanical keys
Key number plate
■When riding in an aircraft
When bringing a key with wireless remote control function onto an aircraft,
make sure you do not press any buttons on the key while inside the aircraft cabin. If you are carrying the key in your bag,
etc., ensure that the buttons are not likely to be pressed accidentally. Press-ing a button may cause the key to emit
radio waves that could interfere with the operation of the aircraft.
■Key battery depletion (vehicles without a smart entry & start sys-
tem)
●The standard battery life is 1 to 2
years.
●The battery will become depleted
even if the key is not used. The follow- ing symptoms indicate that the key
Keys
The keys

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3-1. Key information
Before driving
battery may be depleted. Replace the
battery when necessary. ( P.351) • The wireless remote control does not operate.
• The detection area becomes smaller.
■Key battery depletion (vehicles with a smart entry & start system)
●The standard battery life is 1 to 2 years.
●If the battery becomes low, an alarm will sound in the cabin and a message will be shown on the multi-information
display when the hybrid system is stopped.
●To reduce key battery depletion when the electronic key is to not be used for long periods of time, set the electronic
key to the battery-saving mode. ( P.141)
●As the electronic key always receives radio waves, the battery will become depleted even if the electronic key is
not used. The following symptoms indicate that the electronic key battery may be depleted. Replace the battery
when necessary. ( P.351) • The smart entry & start system or the wireless remote control does not oper-
ate. • The detection area becomes smaller.• The LED indicator on the key surface
does not turn on.
●To avoid serious deterioration, do not
leave the electronic key within 1 m (3 ft.) of the following electrical appli-ances that produce a magnetic field:
•TVs • Personal computers• Cellular phones, cordless phones and
battery chargers • Recharging cellular phones or cord-less phones
• Table lamps • Induction cookers
●If the electronic key is near the vehicle for longer than necessary, even if the smart entry & start system is not oper-
ated, the key battery may become depleted faster than normal.
■Replacing the battery
 P. 3 5 1
■If “A New Key has been Registered Contact Your Dealer for Details” is shown on the multi-information
display (vehicles with a smart entry & start system)
This message will be displayed each
time the driver’s door is opened when the doors are unlocked from the outside for approximately 10 days after a new
electronic key has been registered. If this message is displayed but you have not had a new electronic key regis-
tered, ask any authorized Toyota retailer or Toyota authorized repairer, or any reli-able repairer to check if an unknown
electronic key (other than those in your possession) has been registered.
■If a wrong key is used
The key cylinder rotates freely, isolated
from the internal mechanism.
NOTICE
■To prevent key damage
●Do not drop the keys, subject them
to strong shocks, or bend them.
●Do not expose the keys to high
temperatures for long periods of time.
●Do not get the keys wet or wash them in an ultrasonic washer, etc.
●Vehicles with a smart entry & start system: Do not attach metallic or magnetic materials to the keys or
place the keys close to such materi- als.
●Do not disassemble the keys.
●Do not attach a sticker or anything
else to the surface of the key.

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3-1. Key information
Before driving
■Conditions affecting the operation of the wireless remote control
(vehicles without a smart entry & start system)
The wireless remote control function
may not operate normally in the follow- ing situations:
●When the wireless key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large dis-play, airport or other facility that gen-
erates strong radio waves or electrical noise
●When carrying a portable radio, cellu-lar phone or other wireless communi-cation devices
●When the wireless key is in contact with, or is covered by a metallic object
●When another wireless key (that emits radio waves) is being used nearby
●If window tint with a metallic content or metallic objects are attached to the
rear window
■Conditions affecting the operation of the smart entry & start system or wireless remote control (vehicles
with a smart entry & start system)
 P. 1 4 2
1Releasing
To release the key, press the button
2Folding
To stow the key, press the button then
fold the key.
To take out the mechanical key,
slide the release lever and take
the key out.
The mechanical key can only be
inserted in one direction, as the key
only has grooves on one side. If the
key cannot be inserted in a lock cyl-
inder, turn it over and re-attempt to
insert it.
After using the mechanical key,
store it in the electronic key. Carry
the mechanical key together with
the electronic key. If the electronic
key battery is depleted or the entry
function does not operate properly,
you will need the mechanical key.
( P.407)
■If you lose your mechanical keys
 P. 4 0 7
Using the key (vehicles with-
out a smart entry & start
system)
Using the mechanical key
(vehicles with a smart entry
& start system)

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3-2. Opening, closing and locking the doors
Before driving
a buzzer will sound continuously for 5
seconds. Fully close the door to stop the buzzer, and lock the doors again.
■Alarm (if equipped)
Locking the doors will set the alarm sys-
tem. ( P.86)
■Conditions affecting the operation of the smart entry & start system or wireless remote control
Vehicles without a smart entry & start system
 P. 1 3 1
Vehicles with a smart entry & start
system
 P. 1 4 2
■If the smart entry & start system or the wireless remote control does not operate properly
Vehicles without a smart entry & start system
Replace the key battery with a new one
if it is depleted. ( P.351)
Vehicles with a smart entry & start
system
Use the mechanical key to lock and
unlock the doors. ( P.408)
Replace the key battery with a new one
if it is depleted. ( P.351)
■If the 12-volt battery is discharged (vehicles with a smart entry & start system)
The doors cannot be locked and unlocked using the entry function or wireless remote control. Lock or unlock
the doors using the mechanical key. ( P.408)
■Rear seat reminder function
●In order to remind you not to forget luggage, etc., in the rear seat, when the power switch is turned to OFF
after any of the following conditions are met, a buzzer will sound and a message will be displayed on the
multi-information display for approxi- mately 6 seconds.
• The hybrid system is started within 10
minutes after opening and closing a rear door.• A rear door has been opened and
closed after the hybrid system was started.
However, if a rear door is opened and
then closed within approximately 2 sec-
onds, the rear seat reminder function
may not operate.
●The rear seat reminder function deter- mines that luggage, etc., has been placed in a rear seat based on open-
ing and closing of a rear door. There- fore, depending on the situation, the rear seat reminder function may not
operate and you may still forget lug- gage, etc., in the rear seat, or it may operate unnecessarily.
●The rear seat reminder function can be enabled/disabled. ( P.431)
■Customization
Some functions can be customized. ( P.431)
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle.Failure to do so may result in a door
opening and an occupant being thrown out of the vehicle, resulting in death or serious injury.
●Ensure that all doors are properly closed and locked.
●Do not pull the inside door handle while driving.
Be especially careful of the front doors, as the doors may be opened even if the inside lock buttons are in
the locked position.
●Set the rear door child-protector
locks when children are seated in the rear seats.

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3-2. Opening, closing and locking the doors
Before driving
■Effective range (areas within which
the electronic key is detected)
When locking or unlocking the doors
The system can be operated when the
electronic key is within about 0.7 m (2.3
ft.) of an outside front door handle and
back door. (Only the doors detecting the
key can be operated.)
When starting the hybrid system or
changing power switch modes
The system can be operated when the
electronic key is inside the vehicle.
■Alarms and warning messages
A combination of exterior and interior
buzzers as well as warning messages shown on the multi-information display are used to prevent theft of the vehicle
and accidents resulting from erroneous operation. Take appropriate measures based on the displayed message.
( P.383)
When only an alarm sounds, circum-
stances and correction procedures are as follows.
●Exterior buzzer sounds once for 5 seconds
●Interior buzzer sounds continuously
■Battery-saving function
The battery-saving function will be acti-
vated in order to prevent the electronic key battery and the 12-volt battery from being discharged while the vehicle is not
operated for a long time.
●In the following situations, the smart
entry & start system may take some time to unlock the doors.• The electronic key has been left within
approximately 3.5 m (11 ft.) of the out- side of the vehicle for 2 minutes or longer.
• The smart entry & start system has not been used for 5 days or longer.
●If the smart entry & start system has not been used for 14 days or longer, the doors cannot be unlocked from
any door except the driver’s door. In this case, hold the driver’s door han-dle, or use the wireless remote control
or mechanical key to unlock the doors.
■Electronic key battery-saving func-tion
●When battery-saving mode is set, bat-tery depletion is minimized by stop-
ping the electronic key from receiving radio waves.
Press twice while pressing and
SituationCorrection
procedure
An attempt was made
to lock the vehicle while
a door was open.
Close all of
the doors and
lock the doors
again.
SituationCorrection
procedure
The power switch was
turned to ACC while the
driver’s door was open
(or the driver’s door
was opened while the
power switch was in
ACC).
Turn the
power switch
off and close
the driver’s
door.
The power switch was
turned to off while the
driver’s door was open.
Close the
driver’s door.