check engine TOYOTA COROLLA 2021 Owners Manual (in English)

5TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
10
COROLLA_U
7-2. Maintenance Maintenance requirements......................................... 457
General maintenance ......... 458
Emission inspection and mainte- nance (I/M) programs....... 461
7-3. Do-it-yourself maintenance Do-it-yourself service precau-tions ................................. 462
Hood .................................. 464
Positioning a floor jack ....... 465
Engine compartment .......... 466
Tires ................................... 475
Tire inflation pressure......... 484
Wheels ............................... 486
Air conditioning filter ........... 487
Wireless remote control/elec- tronic key battery.............. 489
Checking and replacing fuses ......................................... 492
Light bulbs .......................... 495
8-1. Essential information Emergency flashers ........... 502
If your vehicle has to be stopped in an emergency .............. 502
If the vehicle is trapped in rising water ................................ 504
8-2. Steps to take in an emergency If your vehicle needs to be towed......................................... 505
If you think something is wrong ......................................... 509
Fuel pump shut off system ......................................... 510
If a warning light turns on or a warning buzzer sounds .... 511
If a warning message is dis- played .............................. 521If you have a flat tire (vehicles
without spare tire) ............ 523
If you have a flat tire (vehicles with a spare tire) .............. 534
If the engine will not start ... 542
If you lose your keys .......... 544
If the electronic key does not operate properly............... 544
If the vehicle battery is dis- charged ............................ 546
If your vehicle overheats .... 550
If the vehicle becomes stuck ......................................... 553
9-1. Specifications Maintenance data (fuel, oil level, etc.) .................................. 556
Fuel information ................. 568
Tire information .................. 570
9-2. Customization Customizable features ....... 581
9-3. Initialization Items to initialize ................ 589
10-1. For owners Reporting safety defects for U.S. owners ............................. 592
Seat belt instructions for Cana- dian owners (in French) ... 592
SRS airbag instructions for Canadian owners (in French)........ ................................. 59

4
8When trouble arises
9Vehicle specifications
10For owners

7
COROLLA_U
Please note that this manual
applies to all models and
explains all equipment, including
options. Therefore, you may find
some explanations for equip-
ment not installed on your vehi-
cle.
All specifications provided in this
manual are current at the time of
printing. However, because of
the Toyota policy of continual
product improvement, we
reserve the right to make
changes at any time without
notice.
Depending on specifications,
the vehicle shown in the illustra-
tions may differ from your vehi-
cle in terms of equipment.
Approximately five hours after
the engine is turned off, you
may hear sound coming from
under the vehicle for several
minutes. This is the sound of a
fuel evaporation leakage check
and, it does not indicate a mal-
function.A wide variety of non-genuine
spare parts and accessories for
Toyota vehicles are currently
available in the market. You
should know that Toyota does
not warrant these products and
is not responsible for their per-
formance, repair, or replace-
ment, or for any damage they
may cause to, or adverse effect
they may have on, your Toyota
vehicle.
This vehicle should not be modi-
fied with non-genuine Toyota
products. Modification with
non-genuine Toyota products
could affect its performance,
safety or durability, and may
even violate governmental regu-
lations. In addition, damage or
performance problems resulting
from the modification may not
be covered under warranty.
The installation of a mobile
two-way radio system in your
vehicle could affect electronic
systems such as:

Multiport fuel injection sys-
tem/sequential multiport fuel
injection system
 Toyota Safety Sense 2.0
For your information
Main Owner’s Manual
Noise from under vehicle
after turning off the engine
Accessories, spare parts
and modification of your
To y o t a
Installation of a mobile
two-way radio system

8
COROLLA_U
Anti-lock brake system
 SRS airbag system
 Seat belt pretensioner system
Be sure to check with your Toy-
ota dealer for precautionary
measures or special instructions
regarding installation of a mobile
two-way radio system.
The vehicle is equipped with
sophisticated computers that will
record certain data, such as:
• Engine speed/Electric motor speed (traction motor speed)
• Accelerator status
• Brake status
• Vehicle speed
• Operation status of the driving assist systems
• Images from the cameras Your vehicle is equipped with
cameras. Contact your Toyota
dealer for the location of
recording cameras.
The recorded data varies
according to the vehicle grade
level and options with which it is
equipped.
These computers do not record
conversations or sounds, and
only record images outside of
the vehicle in certain situations.
 Data Transmission
Your vehicle may transmit the data
recorded in these computers to
Toyota without notification to you.
Data usage
Toyota may use the data recorded
in this computer to diagnose mal-
functions, conduct research and
development, and improve quality.
Toyota will not disclose the
recorded data to a third party
except:
• With the consen t of the vehicle
owner or with the consent of the
lessee if the vehicle is leased
• In response to an official request by the police, a court of law or a
government agency
• For use by Toyota in a lawsuit
• For research purposes where the data is not tied to a specific vehi-
cle or vehicle owner
 Recorded image information
can be erased by your Toyota
dealer.
The image recording function can
be disabled. However, if the func-
tion is disabled, data from when the
system operates will not be avail-
able.
To learn more about the vehi-
cle data collected, used and
shared by Toyota, please visit
www.toyota.com/privacyvts/
.
If your Toyota has Safety Con-
nect and if you have subscribed
to those services, please refer to
the Safety Connect Telematics
Subscription Service Agreement
Vehicle data recording
Usage of data collected
through Safety Connect
(U.S. mainland only)

14Pictorial index
COROLLA_UFuel filler door ...............................................
..................... P.194
Refueling method ............................................... .................. P.195
Fuel type/fuel tan k capacity ................................... .............. P.558
Tires.......................................................... ........................... P.475
Tire size/inflation pressure ................................... ................ P.564
Winter tires/tire chains ....................................... .................. P.277
Checking/rotation/tire pressure warning system
*2............... P.475
Coping with flat tires......................................... ............ P.523, 534
Hood ........................................................... ......................... P.464
Opening ............................................................................... P.464
Engine oil ..................................................... ........................ P.558
Coping with overheating ...................................................... P.550
Headlights/daytime running lights .............................. ..... P.186
Turn signal lights/parking lights .............................. ......... P.186
Parking lights
*2............................................................... .... P.186
Front side marker lights ....................................... ............. P.186
LED accent lights
*2............................................................ P.1 86
Stop lights/tail lights/rear side marker lights/turn signal lig hts
P. 1 8 6
License plate lights........................................... ................. P.186
Tail lights
*2............................................................... ........... P.186
Back-up lights
Shifting the shift position to R .............................. P .169, 172, 176
*1: Vehicles with a smart key system
*2: If equipped
Light bulbs of the exterior lights for driving
(Replacing method: P.495, Watts: P.566)

251-1. For safe use
1
For safety and security
COROLLA_U
Adjust the angle of the seat-
back so that you are sitting
straight up and so that you do
not have to lean forward to
steer. (P.133)
Adjust the seat so that you
can depress the pedals fully
and so that your arms bend
slightly at the elbow when
gripping the steering wheel.
( P.133)
Lock the head restraint in
place with the center of the
head restraint closest to the
top of your ears. ( P.136)
Wear the seat belt correctly.
( P.27)
WA R N I N G
■Before driving
●Check that the floor mat is
securely fixed in the correct
place with all the provided
retaining hooks (clips). Be espe-
cially careful to perform this
check after cleaning the floor.
●With the engine stopped and
the shift lever in P (continuously
variable transmission) or N
(manual transmission), fully
depress each pedal to the floor
to make sure it does not inter-
fere with the floor mat.
For safe driving
For safe driving, adjust the
seat and mirror to an appro-
priate position before driv-
ing.
Correct driving posture

461-1. For safe use
COROLLA_U
Exhaust gas precau-
tions
Harmful substance to the
human body is included in
exhaust gases if inhaled.
WA R N I N G
Exhaust gases include harmful
carbon monoxide (CO), which is
colorless and odorless. Observe
the following precautions.
Failure to do so may cause
exhaust gases enter the vehicle
and may lead to an accident
caused by light-headedness, or
may lead to death or a serious
health hazard.
■Important points while driving
●Keep the trunk lid closed.
●If you smell exhaust gases in
the vehicle even when the trunk
lid is closed, open the windows
and have the vehicle inspected
at your Toyota dealer as soon
as possible.
■When parking
●If the vehicle is in a poorly venti-
lated area or a closed area,
such as a garage, stop the
engine.
●Do not leave the vehicle with
the engine on for a long time.
If such a situation cannot be
avoided, park the vehicle in an
open space and ensure that
exhaust fumes do not enter the
vehicle interior.
●Do not leave the engine running
in an area with snow build-up,
or where it is snowing. If snow-
banks build up around the vehi-
cle while the engine is running,
exhaust gases may collect and
enter the vehicle.
■Exhaust pipe
The exhaust system needs to be
checked periodically. If there is a
hole or crack caused by corro-
sion, damage to a joint or abnor-
mal exhaust noise, be sure to
have the vehicle inspected and
repaired by your Toyota dealer.

882-1. Instrument cluster
COROLLA_U
*1: These lights come on when the engine switch is turned to ON to
indicate that a system check is
being performed. They will turn
off after the engine is started, or
after a few seconds. There may
be a malfunction in a system if
the lights do not come on, or turn
off. Have the vehicle inspected
by your Toyota dealer.
*2: This light illuminates on the multi-information display.
The indicators inform the driver
of the operating state of the
vehicle’s various systems.
Rear passengers’
seat belt reminder
lights ( P.515)
Tire pressure warning
light
*1 (if equipped)
(  P.515)
(Orange)
LTA indicator (if equipped)
( P.515)
LDA indicator (if equipped)
(  P.515)
(Flashes)
RCTA OFF indicator*1 (if
equipped) (P.516)
(Flashes or illumi- nates)PCS warning light*1
(  P.516)
Slip indicator
*1 (  P.516)
(Flashes)
(U.S.A.)
Parking brake indicator
(  P.517)
(Flashes)
(Canada)
Parking brake indicator
( P.517)
(Flashes)
Brake hold operated indi-
cator
*1(if equipped)
(  P.517)
(Orange)
iMT indicator*1 (if
equipped) (P.517)
WA R N I N G
■If a safety system warning
light does not come on
Should a safety system light such
as the ABS and SRS warning light
not come on when you start the
engine, this cou ld mean that
these systems are not available to
help protect you in an accident,
which could result in death or seri-
ous injury. Have the vehicle
inspected by your Toyota dealer
immediately if this occurs.
Indicators
Turn signal indicator
(  P.179)
(U.S.A.)
Headlight indicator
( P.186)
(Canada)
Tail light indicator
( P.186)
Headlight high beam indi-
cator ( P.188)
Automatic High Beam
indicator ( P.189)
PCS warning light
*1, 2
(  P.205)
Cruise control indicator
(  P.229, 240)
Dynamic radar cruise con-
trol indicator ( P.229,
240)
Cruise control “SET” indi-
cator ( P.229, 240)

892-1. Instrument cluster
2
Vehicle status information and indicators
COROLLA_U
*1: These lights come on when the engine switch is turned to ON to
indicate that a system check is
being performed. They will turn
off after the engine is started, or
after a few seconds. There may
be a malfunction in a system if
the lights do not come on, or turn
off. Have the vehicle inspected
by your Toyota dealer.
*2: This light comes on when the system is turned off.
*3: Depending on the operating con-dition, the color and illuminat-
ing/flashing stat e of the light
change.
*4: In order to confirm operation, the BSM outside rear view mirror
indicators illumina te in the follow-
ing situations:
• When the engine switch is
turned to ON, the BSM func-
tion is enabled on of the
multi-information display.
• When the BSM function is
enabled on of the
multi-information display, the
engine switch is turned to ON.
If the system is functioning cor-
rectly, the BSM outside rear view
mirror indicators will turn off after a
few seconds.
*3
LTA indicator (if equipped)
( P.216)
LDA indicator (if
equipped) ( P.225)
BSM outside rear view
mirror indicators
*4, 5 (if
equipped) ( P.253)
BSM indicator (if
equipped) ( P.253)
RCTA OFF indicator
*1, 2
(if equipped) ( P.258)
(Flashes)
Slip indicator*1 ( P.273)
VSC OFF indicator
*1, 2
(  P.273)
Smart key system indica-
tor
*6 (if equipped)
(  P.164)
(U.S.A.)
Parking brake indicator
( P.180, 181)
(Canada)
Parking brake indicator
( P.180, 181)
Brake hold standby indi-
cator
*1 (if equipped)
(  P.184)
Brake hold operated indi-
cator
*1 (if equipped)
(  P.184)
Auto EPB OFF indicator
*1,
2
(if equipped) ( P.181)
Eco Driving Indicator
Light
*1(if equipped)
(  P.102)
Low outside temperature
indicator
*7 (  P.91, 95)
Security indicator ( P.80,
82)
“AIR BAG ON/OFF”
indicator
*1, 8 (  P. 4 1 )
Sport mode indicator (if
equipped) (P.271)
(Green)
iMT indicator (if equipped)
(  P.178)

922-1. Instrument cluster
COROLLA_U
■Outside temperature display
●In the following situations, the cor-
rect outside tempe rature may not
be displayed, or the display may
take longer than normal to
change:
• When stopped, or driving at low
speeds (less than 16 mph [25
km/h])
• When the outside temperature
has changed su ddenly (at the
entrance/exit of a garage, tunnel,
etc.)
●When “--” or “E” is displayed, the
system may be malfunctioning.
Take your vehicle to your Toyota
dealer.
■Liquid crystal display
 P. 1 0 1
■Changing the display
Press the display change button
until the desired item is dis-
played.
■Display items
 Odometer
Displays the total distance the vehi-
cle has been driven.
 Trip meter A/Trip meter B
Displays the distance the vehicle
has been driven since the meter
was last reset. Trip meters A and B
can be used to record and display
WA R N I N G
■The information display at
low temperatures
Allow the interior of the vehicle to
warm up before u sing the liquid
crystal informat ion display. At
extremely low temperatures, the
information display monitor may
respond slowly, and display
changes may be delayed.
For example, there is a lag
between the driver’s shifting and
the new gear number appearing
on the display. This lag could
cause the driver to downshift
again, causing rapid and exces-
sive engine braking and possibly
an accident resulting in death or
injury.
NOTICE
■To prevent damage to the
engine and its components
●Do not let the indicator needle
of the tachometer enter the red
zone, which indicates the maxi-
mum engine speed.
●The engine may be overheating
if the engine coolant tempera-
ture gauge is in the red zone
(H). In this case, immediately
stop the vehicle in a safe place,
and check the engine after it
has cooled completely.
(  P.550)
Odometer and trip meter
display

972-1. Instrument cluster
2
Vehicle status information and indicators
COROLLA_Ube displayed, or the display may
take longer than normal to
change:
• When stopped, or driving at low speeds (less than 16 mph [25
km/h])
• When the outside temperature has changed su ddenly (at the
entrance/exit of a garage, tunnel,
etc.)
●When “--” or “E” is displayed, the
system may be malfunctioning.
Take your vehicle to your Toyota
dealer.
■Liquid crystal display
 P. 1 0 1
■Customization
The gauges and met ers can be cus-
tomized in of the multi-informa-
tion display. ( P.104)
■Changing the display
Press the display change button
until the desired item is dis-
played.
■Display items
 Odometer
Displays the total distance the vehi-
cle has been driven.
 Trip meter A/Trip meter B
Displays the distance the vehicle
has been driven since the meter
was last reset. Trip meters A and B
can be used to record and display
WA R N I N G
■The information display at
low temperatures
Allow the interior of the vehicle to
warm up before u sing the liquid
crystal informat ion display. At
extremely low temperatures, the
information display monitor may
respond slowly, and display
changes may be delayed.
For example, there is a lag
between the driver’s shifting and
the new gear number appearing
on the display. This lag could
cause the driver to downshift
again, causing rapid and exces-
sive engine braking and possibly
an accident resulting in death or
injury.
NOTICE
■To prevent damage to the
engine and its components
●Do not let the indicator needle
of the tachometer enter the red
zone, which indicates the maxi-
mum engine speed.
●The engine may be overheating
if the engine coolant tempera-
ture gauge is in the red zone
(H). In this case, immediately
stop the vehicle in a safe place,
and check the engine after it
has cooled completely.
(  P.550)
Odometer and trip meter
display