fuse TOYOTA COROLLA HYBRID 2021 Owners Manual (in English)

5TABLE OF CONTENTS
COROLLA HV_U
1
2
3
4
5
6
7
8
9
10
Cleaning the hybrid battery (trac- tion battery) air intake vent and
filter .................................. 455
Electronic key battery ......... 459
Checking and replacing fuses ......................................... 461
Light bulbs .......................... 463
8-1. Essential information Emergency flashers ........... 470
If your vehicle has to be stopped in an emergency .............. 471
If the vehicle is trapped in rising water ................................ 472
8-2. Steps to take in an emergency If your vehicle needs to be towed......................................... 473
If you think something is wrong ......................................... 476
If a warning light turns on or a warning buzzer sounds .... 478
If a warning message is dis- played .............................. 487
If you have a flat tire (vehicles without spare tire) ............ 490
If you have a flat tire (vehicles with a spare tire) .............. 501
If the hybrid system will not start ......................................... 509
If you lose your keys .......... 510
If the fuel filler door cannot be opened ............................. 511
If the electronic key does not operate properly ............... 511
If the 12-volt battery is dis- charged ............................ 513
If your vehicle overheats .... 517
If the vehicle becomes stuck ......................................... 5209-1. Specifications
Maintenance data (fuel, oil level, etc.) .................................. 524
Fuel information ................. 531
Tire information .................. 533
9-2. Customization Customizable features ....... 544
9-3. Initialization Items to initialize ................ 552
10-1. For owners Reporting safety defects for U.S. owners ............................. 554
Seat belt instructions for Cana- dian owners (in French) ... 554
SRS airbag instructions for Canadian owners (in French)......................................... 556
What to do if... (Troubleshooting) ......................................... 564
Alphabetical Index.............. 567
8When trouble arises
9Vehicle specifications
10For owners
Index

3515-13. Phone operation (Hands-free system for cellular phones)
COROLLA HV_U
5
Audio
1 Select “Answer” or press the
switch on the steering
wheel to talk on the phone.
“Decline”: Select to refuse to
receive the call.
To adjust the volume of a received
call: Turn the “POWER VOLUME”
knob, or use the volume control
switch on the steering wheel.
●The contact image picture can be
displayed only when the vehicle is
not moving.
●During international phone calls,
the other party’s name or number
may not be displayed correctly
depending on the type of Blue-
tooth
® phone you have.
●The incoming call display mode
can be set. ( P.359)
●The ringtone that has been set in
the sound settings screen can be
heard when there is an incoming
call. Depending on the type of Bluetooth
® phone, both the sys-
tem and Bluetooth® phone may
ring simultaneously when there is
an incoming call. ( P.358)Receiving a call using
the Bluetooth®
hands-free system
When a call is received, the
following screen is dis-
played with a sound.
Incoming calls

3535-13. Phone operation (Hands-free system for cellular phones)
COROLLA HV_U
5
Audio
●A continuous tone signal is a char-
acter string that consists of num-
bers and the characters “p” or “w”.
(e.g. 056133w0123p#1)
●When the “p” pause tone is used,
the tone data up until the next
pause tone will be automatically
sent after 2 seconds have
elapsed. When the “w” pause tone
is used, the tone data up until the
next pause tone will be automati-
cally sent after a user operation is
performed.
●Release tones can be used when
automated operation of a phone
based service su ch as an answer-
ing machine or bank phone ser-
vice is desired. A phone number
with continuous tone signals can
be registered in the contact list.
●Tone data after a “w” pause tone
can be operated by voice com-
mand during a call.
1 Select “Transmit Volume”.
2 Select the desired level for
the transmit volume.
3 Select to display previ-
ous screen.
●The sound quality of the voice
heard from the other party’s
speaker may be negatively
impacted.
●“Transmit Volume” is dimmed
when mute is on.
When there are no calls on
hold during a call: “Hold” is
displayed. When selected, the current call is placed on hold.
 When there is no current call,
but there is a call on hold:
“Activate” is displayed. When
selected, the system switches
to the call that was on hold.
 When there is another call on
hold during a call: “Swap
Calls” is displayed. When
selected, the current call is
placed on hold, and the sys-
tem switches to the call that
was on hold.
This function may not be available
depending on the type of cellular
phone.
When a call is interrupted by a
third party while talking, the
incoming screen is displayed.
Select “Answer” or press the
switch on the steering wheel to
start talking with the other party.
To refuse to receive the call:
Select “Decline”.
 Each time “Swap Calls” is
selected, the party who is on
hold will be switched.
This function may not be available
depending on the type of Bluetooth®
phone.
Transmit volume setting
Switching calls while a
call is in progress
Incoming call waiting

4026-4. Other interior features
COROLLA HV_U
The power outlet can be used
for 12 V accessories that run on
less than 10 A.
Lift the lid while pulling up the
knob and open the power outlet
lid.
■The power outlet can be used
when
The power switch i s in ACC or ON.
■When stopping the hybrid sys-
tem
Disconnect electrical devices with
charging functions, such as mobile
battery packs.
If such devices are left connected,
the hybrid system may not stop nor-
mally.
A portable device, such as a
smartphone or mobile battery,
can be charged by just placing it
on the charging area, provided
the device is compatible with the
Qi wireless charging standard
created by the Wireless Power
Consortium.
The wireless charger cannot be
used with a portable device that
is larger than the charging area.
Additionally, depending on the
portable device, the wireless
charger may not operate prop-
erly. Refer to the operation man-
ual of the portable device.
■The “Qi” symbol
The “Qi” symbol is a trademark
of the Wireless Power Consor-
tium.
Power outlet
NOTICE
■To prevent the fuse from
being blown
Do not use an accessory that
uses more than 12 V 10 A.
■To avoid damaging the power
outlet
Close the power outlet lid when
the power outlet is not in use.
Foreign objects or liquids that
enter the power outlet may cause
a short circuit.
■To prevent 12-volt battery dis-
charged
Do not use the p ower outlet lon-
ger than necessary when the
hybrid system is off.
Wireless charger (if
equipped)

419
COROLLA HV_U
7
7
Maintenance and care
Maintenance and care
.7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 420
Cleaning and protecting the vehicle interior ........... 422
7-2. Maintenance Maintenance requirements.................................. 425
General maintenance.. 426
Emission inspection and maintenance (I/M) pro-
grams ........................ 429
7-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 430
Hood ........................... 432
Positioning a floor jack .................................. 433
Engine compartment ... 434
Tires ............................ 441
Tire inflation pressure.. 450
Wheels ......... ...............452
Air conditioning filter .... 454
Cleaning the hybrid battery (traction battery) air intake
vent and filter............. 455
Electronic key battery.. 459
Checking and replacing fuses.......................... 461
Light bulbs................... 463

4307-3. Do-it-yourself maintenance
COROLLA HV_U
7-3.Do-it-yourself maintenance
Do-it-yourself ser vice
precautions
If you perform maintenance
by yourself, be sure to fol-
low the correct procedure
as given in these sections.
Maintenance
ItemsParts and tools
12-volt bat-
tery condi-
tion
( P.439)
•Warm water
• Baking soda
•Grease
• Conventional
wrench (for terminal
clamp bolts)
Brake fluid
level
( P.438)
• FMVSS No.116
DOT 3 or SAE
J1703 brake fluid
FMVSS No.116
DOT 4 or SAE
J1704 brake fluid
• Rag or paper towel
• Funnel (used only for adding brake
fluid)
Engine/pow
er control
unit cool-
ant level
( P.436)
• “Toyota Super Long
Life Coolant” or a
similar high quality
ethylene gly-
col-based non-sili-
cate, non-amine,
non-nitrite and
non-borate coolant
with long-life hybrid
organic acid tech-
nology
For the U.S.A.:
“Toyota Super Long
Life Coolant” is
pre-mixed with 50%
coolant and 50%
deionized water.
For Canada:
“Toyota Super Long
Life Coolant” is
pre-mixed with 55%
coolant and 45%
deionized water.
• Funnel (used only for adding coolant)
Engine oil
level
( P.434)
• “Toyota Genuine
Motor Oil” or equiva-
lent
• Rag or paper towel
• Funnel (used only for adding engine
oil)
Fuses
( P.461)• Fuse with same
amperage rating as
original
Hybrid bat-
tery (trac-
tion battery)
air intake
vent
( P.455)
• Vacuum cleaner,
etc.
• Phillips screwdriver
ItemsParts and tools

4347-3. Do-it-yourself maintenance
COROLLA HV_U
Washer fluid tank ( P.440)
Engine coolant reservoir ( P.436)
Fuse boxes ( P.461)
Engine oil level dipstick ( P.435)
Engine oil filler cap ( P.435)
Power control unit coolant reservoir ( P.436)
Brake fluid reservoir ( P.438)
12-volt battery ( P.439)
Radiator ( P.437)
Condenser ( P.437)
Electric cooling fans
With the engine at operating temperature and turned off,
check the oil level on the dip-
stick.
Engine compar tment
Components
Checking and adding the
engine oil

4617-3. Do-it-yourself maintenance
COROLLA HV_U
7
Maintenance and care
1 Turn the power switch off.
2 Open the fuse box cover.
Engine compartment: type A
fuse box
Push the tabs in and lift the lid off.
Engine compartment: type B
fuse box
Push the tabs in and lift the lid off.
Under the driver’s side instru-
ment panel
Remove the lid.
Make sure to push the claw when
removing/installing the lid.
3Remove the fuse with the
pullout tool.
Only type A fuse can be
removed using the pullout
tool.
4 Check if the fuse is blown.
Replace the blown fuse with a new
fuse of an appropriate amperage
rating. The amperage rating can be
found on the fuse box lid.
Checking and replac-
ing fuses
If any of the electrical com-
ponents do not operate, a
fuse may have blown. If this
happens, check and replace
the fuses as necessary.
Checking and replacing
fuses

4627-3. Do-it-yourself maintenance
COROLLA HV_U
Ty p e A
Normal fuse
Blown fuse
Ty p e B
Normal fuse
Blown fuse
Ty p e CNormal fuse
Blown fuse
Type DNormal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure
that the tab is ins talled securely.
●If the lights do not turn on even
after the fuse has been replaced,
a bulb may need replacement.
( P.463)
●If the replaced fuse blows again,
have the vehicle inspected by
your Toyota dealer.
■If there is an ove rload in a cir-
cuit
The fuses are designed to blow, pro-
tecting the wiring harness from
damage.
■When replacing light bulbs
Toyota recommends that you use
genuine Toyota pr oducts designed
for this vehicle.
Because certain bulbs are con-
nected to circuits designed to pre-
vent overload, non-genuine parts of
parts not designed for this vehicle
may be unusable.

4637-3. Do-it-yourself maintenance
COROLLA HV_U
7
Maintenance and care
Check the wattage of the light
bulb to be replaced. ( P.530)
■Front
Front side marker lights
WA R N I N G
■To prevent system break-
downs and vehicle fire
Observe the following precau-
tions.
Failure to do so may cause dam-
age to the vehicle, and possibly a
fire or injury.
●Never use a fuse of a higher
amperage rating than that indi-
cated, or use any other object in
place of a fuse.
●Always use a genuine Toyota
fuse or equivalent.
Never replace a fuse with a
wire, even as a temporary fix.
●Do not modify the fuses or fuse
boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical over-
load determined and repaired by
your Toyota dealer as soon as
possible.
Light bulbs
You may replace the follow-
ing bulbs yourself. The diffi-
culty level of replacement
varies depending on the
bulb. If necessary bulb
replacement seems difficult
to perform, contact your
Toyota dealer.
For more information about
replacing other light bulbs,
contact your Toyota dealer.
Preparing for light bulb
replacement
Bulb locations