key battery TOYOTA AYGO 2021 Owners Manual

TABLE OF CONTENTS4
AYGO_OM_Europe_OM9A012E5-8. Bluetooth
® Phone
Making a phone call ...........338
Receiving a phone call.......340
Speaking on the phone ......341
5-9. Bluetooth
®
Bluetooth®.........................343
6-1. Using the air conditioning
system and defogger
Manual air conditioning
system .............................352
Automatic air conditioning
system .............................358
Seat heaters ......................364
6-2. Using the interior lights
Interior lights list .................366
• Interior light ....................366
6-3. Using the storage features
List of storage features ......367
• Glove box ......................368
• Card holders ..................368
• Cup holders ...................368
• Bottle holders ................369
Luggage compartment
features............................371
6-4. Other interior features
Other interior features ........373
• Sun visors ......................373
• Vanity mirrors ................373
• Clock .............................374
• Outside temperature
display ...........................375
• Power outlet ..................3767-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 378
Cleaning and protecting
the vehicle interior ........... 382
7-2. Maintenance
Maintenance
requirements ................... 385
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ..................... 387
Hood.................................. 390
Positioning a floor jack ...... 392
Engine compartment ......... 393
Clutch pedal (vehicles
with a manual
transmission .................... 403
Tires .................................. 404
Tire inflation pressure........ 410
Wheels .............................. 412
Air conditioning filter .......... 414
Wireless remote control/
electronic key battery ...... 415
Checking and replacing
fuses ............................... 418
Light bulbs ......................... 426
6Interior features
7Maintenance and care

5
1
7
8
6
5
4
3
2
9
AYGO_OM_Europe_OM9A012E
8-1. Essential information
Emergency flashers ...........438
If your vehicle has to
be stopped in an
emergency .......................439
If the vehicle is trapped in
rising water ......................441
8-2. Steps to take in
an emergency
If your vehicle needs
to be towed ......................442
If you think
something is wrong..........447
Fuel pump shut off
system ............................448
If a warning light turns
on or a warning buzzer
sounds .............................449
If you have a flat tire
(vehicles without
a spare tire) .....................459
If you have a flat tire
(vehicles with
a spare tire) .....................481
If the engine
will not start......................494
If the shift lever cannot
be shifted (vehicles
with a multi-mode
manual transmission) ...... 496
If the electronic key does
not operate properly
(vehicles with a smart
entry & start system) ....... 497
If the vehicle battery
is discharged ................... 500
If your vehicle overheats ... 504
If the vehicle becomes
stuck................................ 507
9-1. Specifications
Maintenance data
(fuel, oil level, etc.) .......... 510
Fuel information ................ 521
9-2. Customization
Customizable features ...... 523
9-3. Items to initialize
Items to initialize................ 524
What to do if...
(Troubleshooting) .................... 526
Alphabetical index...................... 530
8When trouble arises
9Vehicle specifications
Index
For vehicles with a multimedia system, refer to the “Multimedia
owner’s manual” for information regarding the equipment listed
below.
• Audio system• Rear view monitor system
Toyota Motor Europe NV/SA, Avenue du Bourget 60 - 1140 Brussels,
Belgium www.toyota-europe.com

1143-1. Key information
AYGO_OM_Europe_OM9A012E
To take out the mechanical key,
slide the release knob and take
the key out.
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. 497)
■If you lose your keys
New genuine keys can be made by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer using a key (type A or type B) or
the other key (type C) and the key number stamped on your key number
plate. Keep the plate in a safe place such as your wallet, not in the vehicle.
■When riding in an aircraft (type B or type C)
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. Pressing a button may cause the key to
emit radio waves that could interfere with the operation of the aircraft.
■Key battery depletion
Type B
If the wireless remote control function does not operate, the battery may be
depleted. Replace the battery when necessary. (P. 415)
Type C
P. 148
■Replacing the battery (type B or type C)
P. 415
■Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer for details.
Using the mechanical key (type C)

1343-2. Opening, closing and locking the doors
AYGO_OM_Europe_OM9A012E■Security feature (vehicles with a smart entry & start system)
If a door is not opened within approximately 30 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again.
■Door lock buzzer (vehicles with a smart entry & start system)
If an attempt to lock the doors is made when a door is not fully closed, a
buzzer sounds continuously for 5 seconds. Fully close the door to stop the
buzzer, and lock the vehicle once more.
■If the smart entry & start system does not operate properly (if equipped)
●Use the mechanical key to lock and unlock the doors. (P. 497)
●Replace the battery with a new one if it is depleted. (P. 415)
◆Inside lock buttons
Vehicles without a power door lock system
Locks the door
Unlocks the door
The front doors can be opened
by pulling the inside handle
even if the lock button is in the
lock position.
Vehicles with a power door lock system
Driver’s side:
Locks all the doors
Passenger’s side:
Locks the door
Driver’s side:
Unlocks all the doors
Passenger’s side:
Unlocks the door
The front doors can be opened by pulling the inside handle even if the
lock button is in the lock position.
Unlocking and locking the doors from the inside
1
2
1
2

1363-2. Opening, closing and locking the doors
AYGO_OM_Europe_OM9A012E
■Conditions affecting operation of the wireless remote control (if
equipped)
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, radio station, electric power plant, airport or other facility
that generates strong radio waves
● When carrying a portable radio, cellular phone or other wireless communi-
cation device
● When multiple wireless keys are in the vicinity
● When the wireless key has come into contact with, or is covered by a metal-
lic object
● When a wireless key (that emits radio waves) is being used nearby
● When the wireless key has been left near an electrical appliance such as a
personal computer
● If window tint with a metallic content or metallic objects are attached to the
rear window
■ Conditions affecting operation of the smart entry & start system (if
equipped)
 P. 146
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 throwing out
of the vehicle, resulting in death or serious injury.
● Ensure that all doors are properly closed.
● Do not pull the inside handle of the doors while driving.
Be especially careful for the front doors, as the doors may be opened even
if the inside lock buttons are in locked position.
● 5-door models: Set the rear door child-protector locks when children are
seated in the rear seats.

1463-2. Opening, closing and locking the doors
AYGO_OM_Europe_OM9A012E■Electronic key battery-saving function
When battery-saving mode is set, battery depletion is minimized by stopping
the electronic key from receiving radio waves.
■Conditions affecting operation
The smart entry & start system uses weak radio waves. In the following situa-
tions, the communication between the electronic key and the vehicle may be
affected, preventing the smart entry & start system, wireless remote control
and engine immobilizer system from operating properly.
(Ways of coping: P. 497)
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electrical
noise
●When the electronic key is in contact with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that emit radio waves) are being used nearby
●When carrying the electronic key together with the following devices that
emit radio waves
• Portable radio, cellular phone, cordless phone or other wireless commu-
nication device
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or metallic objects are attached to the
rear window
●When the electronic key is placed near a battery charger or electronic
devices Press twice while pressing and
holding . Confirm that the electronic
key indicator flashes 4 times.
While the battery-saving mode is set, the
smart entry & start system cannot be
used. To cancel the function, press any of
the electronic key buttons.

1483-2. Opening, closing and locking the doors
AYGO_OM_Europe_OM9A012E■If the smart entry & start system does not operate properly
●Locking and unlocking the doors: Use the mechanical key. (P. 497)
●Starting the engine: P. 498
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
●If the battery becomes low, an alarm will sound in the cabin when the engine
stops. (P. 458)
●As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. (P. 415)
• The smart entry & start system or the wireless remote control does not
operate.
• 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 appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Table lamps
• Induction cookers
■Customization that can be configured at any authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer
Settings (e.g. smart entry & start system) can be changed.
(Customizable features: P. 523)
■If the smart entry & start system has been deactivated in a customized
setting
●Locking and unlocking the doors:
Use the wireless remote control or mechanical key. (P. 113, 497)
●Starting the engine and changing engine switch modes: P. 498
●Stopping the engine: P. 218

2194-2. Driving procedures
4
Driving
AYGO_OM_Europe_OM9A012E
Modes can be changed by pressing the engine switch with the brake
pedal (multi-mode manual transmission) or clutch pedal (manual
transmission) released. (The mode changes each time the switch is
pressed.)
Off
The emergency flashers can be
used.
The smart entry & start system
indicator light (green) is off.
ACCESSORY mode
Some electrical components such
as the audio system can be used.
The smart entry & start system
indicator light (green) flashes
slowly.
IGNITION ON mode
All electrical components can be
used.
The smart entry & start system
indicator light (green) flashes
slowly.
■Auto power off function
If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is not
running) for more than an hour, the engine switch will automatically turn off.
However, this function cannot entirely prevent battery discharge. Do not leave
the vehicle with the engine switch in ACCESSORY or IGNITION ON mode for
long periods of time when the engine is not running.
■Electronic key battery depletion
P. 148
■Conditions affecting operation
P. 146
■Notes for the entry function
P. 147
Changing engine switch modes

2204-2. Driving procedures
AYGO_OM_Europe_OM9A012E■If the engine does not start
●The engine immobilizer system may not have been deactivated. (P. 7 5 )
Contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
●The steering lock may not have been canceled.
■Steering lock
After turning the engine switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
engine switch again automatically cancels the steering lock.
■When the steering lock cannot be released
■Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from running the engine. After about 10 seconds, the
steering lock motor will resume functioning.
■If the system is malfunctioning
P. 453
■If the electronic key battery is depleted
P. 415
■Operation of the engine switch
●If the switch is not pressed shortly and firmly, the engine switch mode may
not change or the engine may not start.
●If attempting to restart the engine immediately after turning the engine
switch off, the engine may not start in some cases. After turning the engine
switch off, please wait a few seconds before restarting the engine.
●The buzzer sound when the following occurs
• When the engine switch is pressed while the vehicle is running
Other than cases of emergency, do not press the engine switch while the
vehicle is running.
• When the engine is stopped by emergency shutdown operation
(P. 439)
The buzzer will sound continuously until the engine is restarted, or the
vehicle is completely stopped and the engine switch is turned to IGNI-
TION ON mode. The smart entry & start system indicator
light (green) will flash quickly.
Press the engine switch while turning the
steering wheel left and right.

377
7Maintenance and care
AYGO_OM_Europe_OM9A012E7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .......... 378
Cleaning and protecting
the vehicle interior ........... 382
7-2. Maintenance
Maintenance
requirements.................... 385
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ...................... 387
Hood .................................. 390
Positioning a floor jack ....... 392
Engine compartment.......... 393
Clutch pedal (vehicles
with a manual
transmission) ................... 403
Tires ................................... 404
Tire inflation pressure ........ 410
Wheels ............................... 412
Air conditioning filter .......... 414
Wireless remote control/
electronic key battery....... 415
Checking and replacing
fuses ................................ 418
Light bulbs ......................... 426