check engine TOYOTA COROLLA HATCHBACK 2021 (in English) Owner's Manual

1434-2. Driving procedures
COROLLA H/B_U
4
Driving
Either Direction” will be displayed
on the multi-information display.
Press the engine switch shortly
and firmly while turning the steer-
ing wheel left and right.
●To prevent the steering lock motor
from overheating, operation of the
motor may be suspended if the
engine is turned on and off repeat-
edly in a short period of time. In
this case, refrain from operating
the engine switch. After about 10
seconds, the steering lock motor
will resume functioning.
■Electronic key battery
 P. 4 5 6
■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 turn-
ing the engine switch off, please
wait a few seconds before restart-
ing the engine.
■Customization
If the smart key system has been
deactivated in a customized setting,
refer to P.504.
Continuously variable trans-
mission
1 Stop the vehicle completely.
WARNING
■When starting the engine
Always start the engine while sit-
ting in the driver’s seat. Do not
depress the accelerator pedal
while starting the engine under
any circumstances.
Doing so may cause an accident
resulting in death or serious injury.
■Caution while driving
If engine failure occurs while the
vehicle is moving, do not lock or
open the doors until the vehicle
reaches a safe and complete
stop. Activation of the steering
lock in this circumstance may lead
to an accident, resulting in death
or serious injury.
NOTICE
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to
start or stalls frequently, have
your vehicle checked by your
Toyota dealer immediately.
■Symptoms indicating a mal-
function with the engine
switch
If the engine switch seems to be
operating somewhat differently
than usual, such as the switch
sticking slightly, there may be a
malfunction. Contact your Toyota
dealer immediately.
Stopping the engine

1444-2. Driving procedures
COROLLA H/B_U
2Set the parking brake
( P.154), and shift the shift
lever to P.
Check the parking brake indicator
is illuminated.
3 Press the engine switch.
The engine will stop, and the meter
display will be extinguished.
4Release the brake pedal and
check that “ACCESSORY” or
“IGNITION ON” is not shown
on the multi-information dis-
p l a y.
Manual transmission
1 Stop the vehicle completely.
2 If the parking brake is in man-
ual mode, set the parking
brake. ( P.154)
Check the parking brake indicator
is illuminated.
3 Shift the shift lever to N.
( P.151)
4 Press the engine switch.
The engine will stop, and the meter
display will be extinguished.
5Release the brake pedal and
check that “ACCESSORY” or
“IGNITION ON” is not shown
on the multi-information dis-
p l a y.
■Automatic engine shut off fea-
ture
●The vehicle is equipped with a
feature that automatically shuts off
the engine when the shift lever is
in P (continuously variable trans-
mission) or the parking brake is
set (manual transmission) with the
engine running for an extended
period.
●The engine will automatically shut
off after approximately 1 hour if it
has been left running while the
shift lever is in P (continuously
variable transmission) or the park-
ing brake is set (manual transmis-
sion).
●The timer for the automatic engine
shut off feature will reset if the
brake pedal (continuously variable
transmission) or the clutch pedal
(manual transmission) is
depressed, or if the shift lever is in
a position other than P (continu-
ously variable transmission) or the
parking brake is released (man-
ual transmission).
●After the vehicle is parked, if the
door is locked with the door lock
switch ( P.103) from the inside or
the mechanical key ( P.504) from
the outside, the automatic engine
shut off feature will be disabled.
The timer for the automatic engine
shut off feature will be re-enabled
if the driver’s door is opened.
WARNING
■Stopping the engine in an
emergency
●If you want to stop the engine in
an emergency while driving the
vehicle, press and hold the
engine switch for more than 2
seconds, or press it briefly 3
times or more in succession.
(  P.464)
However, do not touch the
engine switch while driving
except in an emergency. Turn-
ing the engine off while driving
will not cause loss of steering or
braking control, but the power
assist to these systems will be
lost. This will make it more diffi-
cult to steer and brake, so you
should pull over and stop the
vehicle as soon as it is safe to
do so.

1464-2. Driving procedures
COROLLA H/B_Uthe multi-information display.
*: Vehicles with a continuously vari-
able transmission: If the shift
lever is in a position other than P
when turning off the engine, the
engine switch will be turned to
ACC, not to off.
■Auto power off function
Continuously variable transmission:
If the vehicle is left in ACC for more
than 20 minutes or ON (the engine
is not running) for more than an
hour with the shift lever in P, 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 ACC or ON for long
periods of time when the engine is
not running.
Manual transmission: If the vehicle
is left in ACC for more than 20 min-
utes or ON (the engine is not run-
ning) 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 ACC or ON for long
periods of time when the engine is
not running.If the engine is stopped with the
shift lever in a position other
than P, the engine switch will not
be turned off but instead be
turned to ACC. Perform the fol-
lowing procedure to turn the
switch off:
1 Check that the parking brake
is set.
2 Shift the shift lever to P.
3 Check that “ACCESSORY” is
displayed on the multi-infor-
mation display and press the
engine switch shortly and
firmly.
4 Check that “ACCESSORY”
or “IGNITION ON” on the
multi-information display are
off.
NOTICE
■To prevent battery discharge
●Do not leave the engine switch
in ACC or ON for long periods of
time without the engine running.
●If “ACCESSORY” or “IGNITION
ON” is displayed on the
multi-information display, the
engine switch is not off. Exit the
vehicle after turning the engine
switch off.
When stopping the engine
with the shift lever in a
position other than P
(vehicles with a continu-
ously variable transmis-
sion)
NOTICE
■To prevent battery discharge
Do not stop the engine when the
shift lever is in a position other
than P. If the engine is stopped in
another shift lever position, the
engine switch will not be turned
off but instead be turned to ACC
mode. If the vehicle is left in ACC,
battery discharge may occur.

1484-2. Driving procedures
COROLLA H/B_U
:While the engine switch is in
ON and the brake pedal
depressed
*, shift the shift lever
while pushing the shift release
button on the shift knob.
:Shift the shift lever while
pushing the shift release button
on the shift knob.
:Shift the shift lever normally.
When shifting the shift lever
between P and D, make sure that
the vehicle is completely stopped
and the brake pedal is depressed.
*: For the vehicle be able to be shifted from P, the brake pedal
must be depressed before the
shift release button is pushed. If
the shift release button is pushed
first, the shift lock will not be
released.
■Shift lock system
The shift lock system is a system to
prevent accidental operation of the
shift lever in starting.
The shift lever can be shifted from P
only when the engine switch is in
ON and the brake pedal is being
depressed.
■If the shift lever cannot be
shifted from P
First, check whether the brake pedal
is being depressed.
If the shift lever cannot be shifted
with your foot on the brake pedal,
there may be a problem with the
shift lock system. Have the vehicle
inspected by your Toyota dealer
immediately.
The following steps may be used as
an emergency measure to ensure
that the shift lever can be shifted.
Releasing the shift lock:
1 Set the parking brake.
2 Turn the engine switch off.
3 Depress the brake pedal.
4 Ply the cover up with a flathead
screwdriver or equivalent tool.
To prevent damaging the cover,
wrap the tip of the flathead
screwdriver with a tape.
5 Press and hold the shift lock
override button and then push
the button on the shift knob.
The shift lever can be shifted while
Shifting the shift lever

1534-2. Driving procedures
COROLLA H/B_U
4
Driving
the iMT may not operate and the
engine speed may not be con-
trolled optimally for the next gear
change.
To enable the iMT, release the
clutch pedal completely and then
depress it again before operating
the shift lever.
■If the “iMT” indicator illumi-
nates in amber
The iMT may be temporarily
unavailable or malfunctioning. Have
the vehicle inspected at your Toyota
dealer.
1 Right turn
2 Lane change to the right
(move the lever partway and
release it)
The right hand signals will flash 3
times.
3Lane change to the left
(move the lever partway and
release it)
The left hand signals will flash 3
times.
4Left turn
■Turn signals can be operated
when
The engine switch is in ON.
■If the indicator flashes faster
than usual
Check that a light bulb in the front or
rear turn signal lights has not
WARNING
■Limitations of the iMT
iMT is not a system that prevents
shift lever operation error or
engine overrevving.
Depending on the situation, iMT
may not operate normally and the
shift position may not be changed
smoothly. Overly relying on iMT
may cause an unexpected acci-
dent.
Tur n signal lever
Operating instructions

1674-3. Operating the lights and wipers
COROLLA H/B_U
4
Driving
operation
3 (U.S.A.) or (Canada)
High speed windshield wiper
operation
4 (U.S.A.) or (Canada)
Temporary operation
Wiper intervals can be adjusted
when intermittent operation is
selected.
5 Increases the intermittent
windshield wiper frequency
6 Decreases the intermittent
windshield wiper frequency
7 Washer/wiper dual
operation
Pulling the lever operates the wip-
ers and washer.
Wipers will automatically operate a
couple of times after the washer
squirts.
■The windshield wiper and
washer can be operated when
The engine switch is in ON.
■If no windshield washer fluid
sprays
Check that the washer nozzles are
not blocked if there is washer fluid in
the windshield washer fluid reser-
voir.
■When stopping the engine in an
emergency while driving
If the windshield wipers are operat-
ing when the engine is stopped, the
windshield wipers will operate in
high speed operation. After the vehi-
cle is stopped, operation will return
to normal when the engine switch is
turned to ON, or operation will stop
when the driver’s door is opened.
WARNING
■Caution regarding the use of
washer fluid
When it is cold, do not use the
washer fluid until the windshield
becomes warm. The fluid may
freeze on the windshield and
cause low visibility. This may lead
to an accident, resulting in death
or serious injury.
NOTICE
■When the washer fluid tank is
empty
Do not operate the switch continu-
ally as the washer fluid pump may
overheat.
■When a nozzle becomes
blocked
In this case, contact your Toyota
dealer. Do not try to clear it with a
pin or other object. The nozzle will
be damaged.

1684-3. Operating the lights and wipers
COROLLA H/B_U
Operating the switch
operates the rear wiper as fol-
lows:
1 (U.S.A.) or (Canada)
Intermittent window wiper
operation
2 (U.S.A.) or (Canada)
Normal window wiper opera-
tion 3
Washer/wiper dual
operation
Pushing the lever operates the
wiper and washer.
The wiper will automa tically operate
a couple of times after the washer
squirts.
■The rear window wiper and
washer can be operated when
The engine switch is in ON.
■If no windshield washer fluid
sprays
Check that the wash er nozzle is not
blocked if there is washer fluid in the
windshield washer fluid reservoir.
■Back door opening linked rear
window wiper stop function
When the rear window wiper are
operating, if a back door is opened
while the vehicle is stopped, opera-
tion of the rear window wiper will be
stopped to prevent anyone near the
vehicle from being sprayed by water
from the wiper. When the back door
is closed, wiper operation will
resume.
Rear window wiper
and washer
Operating the lever can use
the rear window wiper or the
washer.
NOTICE
■When the rear window is dry
Do not use the wiper, as it may
damage the rear window.
Operating instructions
NOTICE
■When the washer fluid tank is
empty
Do not operate the switch continu-
ally as the washer fluid pump may
overheat.

3695-14. Phone settings
COROLLA H/B_U
5
Audio
Backed-up contact data
(“vCard” formatted) can be
transferred from USB device or
Bluetooth
® phone to this sys-
tem.
1 Connect a USB device.
( P.305)
2 Select “Transfer Contacts
from Device”.
3 Select “From USB”.
4 Select “USB 1” or “USB 2”
when the multiple USB
devices are connected. If a
USB device is connected,
skip this procedure.
5 Select “Replace Contacts” or
“Add Contact”. If the contact
is already registered, skip
this procedure.
“Replace Contacts”: Select to trans-
fer the contact from the connected
USB device or Bluetooth
® phone
and replace the current one.
“Add Contact”: Select to transfer
the desired contact data from the
connected USB device or Blue-
tooth
® phone to add to the current
one.
6 Select a desired file from
vCard file list.
7 Check that a confirmation
screen is displayed when the
operation is complete.
●Depending on the type of Blue-
tooth® phone used and number of
files, it may take time to display
vCard file lists and download con- tacts.
●Downloading may not complete
correctly in the following cases:
• If the engine switch is turned off during downloading.
• If the USB device or Bluetooth
®
phone is removed before down-
loading is complete.
New contact data can be regis-
tered.
Up to 4 numbers per person can
be registered. For PBAP com-
patible Bluetooth
® phones, this
function is available when “Auto-
matic Transfer” is set to off.
( P.366)
1 Select “New Contact”.
2 Enter the name and select
“OK”.
3 Enter the phone number and
select “OK”.
4 Select the phone type for the
phone number.
5 To add another number to
this contact, select “Yes”.
■Registering a new contact
in a different way (from the
call history screen)
1 Display the phone top
screen. ( P.348)
2 Select “History” and select a
contact not yet registered in
the contact list.
3 Select “Add to Contacts”.
From USB device
Registering a new contact
to the contacts list

3775-15. What to do if... (Bluetooth®)
COROLLA H/B_U
5
Audio
■Notification of
SMS/MMS/E-mail reception
on this system is set to off.
Set notification of
SMS/MMS/E-mail reception on
this system to on. ( P.365)
■Automatic message trans-
fer function is not enabled
on the cellular phone.
Enable automatic transfer func-
tion on the cellular phone.
■Connection confirmation
display on this system is
set to on.
To turn off the display, set con-
nection confirmation display on
this system to off. ( P.282)
*: The engine switch is in ACC or
ON mode.
■The cellular phone is not
close enough to this sys-
tem.
Bring the cellular phone closer
to this system.
■Radio interference has
occurred.
Turn off Wi-Fi
® devices or other
devices that may emit radio
waves.
■The cellular phone is the
most likely cause of the
symptom.
Turn the cellular phone off,
remove and reinstall the battery
pack, and then restart the cellu-
lar phone.
Enable the cellular phone’s
Bluetooth
® connection.
Disable the Wi-Fi
® connection of
the cellular phone.
Stop the cellular phone’s secu-
rity software and close all appli-
cations.
Before using an application
installed on the cellular phone,
carefully check its source and
how its operation might affect
this system.
●For details, refer to the owner’s
manual that came with the cellular
phone.
New message notifications
are not displayed.
In other situations
The Bluetooth
® connection
status is displayed at the top
of the screen each time the
system is activated
*.
Even though all conceivable
measures have been taken,
the symptom status does not
change.

419
COROLLA H/B_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 ..................... 431
Hood ........................... 433
Positioning a floor jack .................................. 434
Engine compartment ... 435
Tires ............................ 442
Tire inflation pressure.. 451
Wheels ......... ...............453
Air conditioning filter .... 454
Electronic key battery.. 456
Checking and replacing fuses.......................... 458
Light bulbs................... 460