key TOYOTA COROLLA HATCHBACK 2020 (in English) Service Manual

4106-4. Other interior features
COROLLA H/B_U
1To set the visor in the forward
position, flip it down.
2 To set the visor in the side
position, flip down, unhook,
and swing it to the side.
3 To use the side extender,
place the visor in the side
position, then slide it back-
ward.
Slide the cover to open.
The vanity lig ht turns on.
■To prevent bat tery discharge
If the vanity lights remain on when
the engine switch is OFF, the lights
will go off automatically after 20 min-
utes.
NOTICE
●When wireless keys (that emit
radio waves) other than those of
your vehicle are being used
nearby.
If in situations other than above
the wireless charger does not
operate properly or the operation
indicator light is blinking, the wire-
less charger may be malfunction-
ing. Contact your Toyota dealer.
■To prevent failu re or damage
to data
●Do not bring magnetic cards,
such as a credit card, or mag-
netic recording media, close to
the wireless charger while
charging. Otherwise, data may
be erased due to the influence
of magnetism.
Additionally, do not bring preci-
sion instruments such as wrist
watches, close to the wireless
charger, as such objects may
malfunction.
●Do not leave portable devices in
the cabin. The temperature
inside the cabin may become
high when parked in the sun,
and cause damage to the
device.
■To prevent battery discharge
Do not use the wireless charger
for a long period of time with the
engine stopped.
Sun visors
Vanity mirrors

413
COROLLA H/B_U
7
7
Maintenance and care
Maintenance and care
.7-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 414
Cleaning and protecting the vehicle interior ........... 416
7-2. Maintenance Maintenance requirements.................................. 419
General maintenance.. 420
Emission inspection and maintenance (I/M) pro-
grams ........................ 423
7-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 425
Hood ........................... 427
Positioning a floor jack .................................. 428
Engine compartment ... 429
Tires ............................ 436
Tire inflation pressure.. 445
Wheels ......... ...............447
Air conditioning filter .... 449
Electronic key battery.. 450
Checking and replacing fuses.......................... 452
Light bulbs................... 455

4147-1. Maintenance and care
COROLLA H/B_U
7-1.Maintenance and care
Working from top to bottom,
liberally apply water to the
vehicle body, wheel wells and
underside of the vehicle to
remove any dirt and dust.
 Wash the vehicle body using
a sponge or soft cloth, such
as a chamois.
 For hard-to-remove marks,
use car wash soap and rinse
thoroughly with water.
 Wipe away any water.
 Wax the vehicle when the
waterproof coating deterio-
rates.
If water does not bead on a clean
surface, apply wax when the vehi-
cle body is cool.
■Automatic car washes
●Fold the mirrors before washing
the vehicle. Start washing from the
front of the vehicle. Make sure to
extend the mirrors before driving.
●Brushes used in automatic car
washes may scratch the vehicle
surface and harm your vehicle’s
paint.
●In certain automatic car washes,
the rear spoiler ma y interfere with machine operation. This may pre-
vent the vehicle from being
cleaned properly or result in dam-
age to the r
ear spoiler.
■High pressure car washes
As water may enter the cabin, do
not bring the nozzle tip near the
gaps around the doors or perimeter
of the windows, or spray these
areas continuously.
■When using a car wash
If the door handle becomes wet
while the electronic key is within the
effective range, the door may lock
and unlock repeatedly. In that case,
follow the following correction pro-
cedures to wash the vehicle:
●Place the key in a position 6 ft. (2
m) or more separate from the
vehicle while the vehicle is being
washed. (Take care to ensure that
the key is not stolen.)
●Set the electronic key to bat-
tery-saving mode to disable the
smart key system. ( P.109)
■Aluminum wheel s (if equipped)
●Remove any dirt immediately by
using a neutral detergent.
●Wash detergent off with water
immediately after use.
●To protect the paint from damage,
make sure to observe the follow-
ing precautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such
as after driving or parking in hot
weather
■Bumpers
Do not scrub with abrasive cleaners.
■Plated portions
If dirt cannot be re moved, clean the
parts as follows:
●Use a soft cloth dampened with an
approximately 5% solution of neu-
Cleaning and protect-
ing the vehicle exte-
rior
Perform cleaning in a man-
ner appropriate to each
component and its material.
Cleaning instructions

4347-3. Do-it-yourself maintenance
COROLLA H/B_U
Terminals
Hold-down clamp
■Before recharging
When recharging, t he battery pro-
duces hydrogen ga s which is flam-
mable and explosive. Therefore,
observe the following precautions
before recharging:
●If recharging wi th the battery
installed on the vehicle, be sure to
disconnect the ground cable.
●Make sure the charger is off when
connecting and disconnecting the
charger cables to the battery.
■After recharging/reconnecting
the battery
●Unlocking the doors using the
smart key system may not be pos-
sible immediately after reconnect-
ing the battery. If this happens,
use the wireless remote control or
the mechanical key to lock/unlock
the doors.
●Start the engine with the engine
switch in ACC. The engine may
not start with the engine switch
turned off. However, the engine
will operate normally from the sec-
ond attempt.
●The engine switch mode is
recorded by the vehicle. If the bat-
tery is reconnected, the vehicle
will return the engi ne switch mode
to the status it was in before the
battery was disconnected. Make
sure to turn off the engine before
disconnecting the battery. Take extra care when connecting the
battery if the engine switch mode
prior to discharge is unknown.
If the system will not start even after
multiple attempts, contact your Toy-
ota dealer.
WARNING
■Chemicals in the battery
The battery contains poisonous
and corrosive sulfuric acid and
may produce hydrogen gas which
is flammable and explosive. To
reduce the risk of death or serious
injury, take the following precau-
tions while working on or near the
battery:
●Do not cause sparks by touch-
ing the battery terminals with
tools.
●Do not smoke or light a match
near the battery.
●Avoid contact with eyes, skin
and clothes.
●Never inhale or swallow electro-
lyte.
●Wear protective safety glasses
when working near the battery.
●Keep children away from the
battery.
■Where to safely charge the
battery
Always charge the battery in an
open area. Do not charge the bat-
tery in a garage or closed room
where there is ins ufficient ventila-
tion.

4507-3. Do-it-yourself maintenance
COROLLA H/B_Ufrequent cleaning or early replace-
ment may be required. (For sched-
uled maintenance information,
please refer to the “Scheduled
Maintenance Guide” or “Owner’s
Manual Supplement”.)
■If air flow from the vents
decreases dramatically
The filter may be clogged. Check
the filter and replace if necessary.
■If the electronic key battery is
depleted
The following symptoms may occur:
●The smart key system and wire-
less remote control will not func-
tion properly.
●The operational range will be
reduced.
 Flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at
your Toyota dealer, local electrical
appliance shops or camera stores.
●Replace only with the same or
equivalent type recommended by
the manufacturer.
●Dispose of used batteries accord-
ing to local laws.
NOTICE
■When using the air condition-
ing system
Make sure that a filter is always
installed.
Using the air conditioning system
without a filter may cause damage
to the system.
■To prevent damage to the fil-
ter cover
When moving the filter cover in
the direction of arrow to release
the fitting, pay attention not to
apply excessive force to the
claws. Otherwise, the claws may
be damaged.
Electronic key batter y
Replace the battery with a
new one if it is depleted.
As the key may be damaged
if the following procedure is
not performed properly, it is
recommended that key bat-
tery replacement be per-
formed by your Toyota
dealer.
Items to prepare

4517-3. Do-it-yourself maintenance
COROLLA H/B_U
7
Maintenance and care
1 Release the lock and remove
the mechanical key.
2 Remove the key cover.
To prevent damage to the key,
cover the tip of the flathead screw-
driver with a rag.
3Remove the depleted battery
using a small flathead screw-
driver.
When removing the cover, the elec-
tronic key module may stick to the
cover and the battery may not be
visible. In this case, remove the
electronic key module in order to
remove the battery.
Insert a new battery with the “+” ter- minal facing up.
4
When installing the key cover
and mechanical key, install
by conducting step 2 and
step 1 with the directions
reversed.
5 Operate the or switch
and check that the doors can
be locked/unlocked.
Replacing the battery
WARNING
■Removed battery and other
parts
These parts are small and if swal-
lowed by a child, they can cause
choking. Keep away from chil-
dren. Failure to do so could result
in death or serious injury.
NOTICE
■When replacing the battery
Use a flathead screwdriver of
appropriate size. Applying exces-
sive force may deform or damage
the cover.
■For normal operation after
replacing the battery
Observe the following precautions
to prevent accidents:
●Always work with dry hands.
Moisture may cause the battery
to rust.

459
COROLLA H/B_U
8
8
When trouble arises
When trouble arises
.8-1. Essential informationEmergency flashers .... 460
If your vehicle has to be stopped in an emergency.................................. 460
If the vehicle is trapped in rising water ................ 461
8-2. Steps to take in an emer- gency
If your vehicle needs to be towed......................... 463
If you think something is wrong ........................ 466
Fuel pump shut off system .................................. 467
If a warning light turns on or a warning buzzer sounds.................................. 468
If a warning message is dis- played........................ 477
If you have a flat tire (vehi- cles without spare tire).................................. 479
If you have a flat tire (vehi- cles with a spare tire)
.................................. 490
If the engine will not start .................................. 498
If you lose your keys ... 500
If the electronic key does not operate properly .. 500
If the vehicle battery is dis- charged ..................... 502If your vehicle overheats
.................................. 506
If the vehicle becomes stuck .................................. 508

4798-2. Steps to take in an emergency
COROLLA H/B_U
8
When trouble arises
reset the message after the mainte-
nance is performed. ( P.420)
*: Refer to the separate “Scheduled
Maintenance” or “Owner’s Man-
ual Supplement” for the mainte-
nance interval applicable to your
vehicle.
■If a message that indicates the
need for visiting your Toyota
dealer is displayed
The system or part shown on the
multi-information display is malfunc-
tioning. Have the vehicle inspected
by your Toyota dealer immediately.
■If a message that indicates the
need for referring to Owner’s
Manual is displayed
●If “Engine Coolant Temp High” is
displayed, follow the instructions
accordingly. ( P.506)
●If any of the following messages
are displayed on the multi-infor-
mation display, it may indicate a
malfunction. Have the vehicle
inspected by you r Toyota dealer
immediately.
• “Smart Key System Malfunction”
●If any of the following messages
are displayed on the multi-infor-
mation display, it may indicate a
malfunction. Immediately stop the
vehicle and contact your Toyota
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
 Stop the vehicle in a safe
place on a hard, flat surface.
 Set the parking brake.
 Shift the shift lever to P (con-
NOTICE
■If “High Power Consumption
Partial Limit on AC/Heater
Operation” is displayed fre-
quently
There is a possible malfunction
relating to the charging system or
the battery may be deteriorating.
Have the vehicle inspected by
your Toyota dealer.
If you have a flat tire
(vehicles without
spare tire)
Your vehicle is not equipped
with a spare tire, but instead
is equipped with an emer-
gency tire puncture repair
kit.
A puncture caused by a nail
or screw passing through
the tire tread can be
repaired temporarily using
the emergency tire puncture
repair kit. (The kit contains a
bottle of sealant. The seal-
ant can be used only once
to temporarily repair one
tire without removing the
nail or screw from the tire.)
After temporarily repairing
the tire with the kit, have the
tire repaired or replaced by
your Toyota dealer.
WARNING
■If you have a flat tire
Do not continue driving with a flat
tire.
Driving even a short distance with
a flat tire can damage the tire and
the wheel beyond repair, which
could result in an accident.
Before repairing the tire

4998-2. Steps to take in an emergency
COROLLA H/B_U
8
When trouble arises
 The battery terminal connec-
tions may be loose or cor-
roded. ( P.433)
The engine starting system may
be malfunctioning due to an
electrical problem such as elec-
tronic key battery depletion or a
blown fuse. However, an interim
measure is available to start the
engine. ( P.499)
One of the following may be the
cause of the problem:
 The battery may be dis-
charged. ( P.502)
 One or both of the battery ter-
minals may be disconnected.
( P.433)
 There may be a malfunction
in the steering lock system.
Contact your Toyot a dealer if the
problem cannot be repaired, or if
repair procedures are unknown.
When the engine does not start,
the following steps can be used
as an interim measure to start the engine if the engine switch is
functioning normally.
Do not use this starting proce-
dure except in case of emer-
gency.
1
Pull the parking brake switch
to check that the parking
brake is set. ( P.154)
Parking brake indicator will come
on.
2 Check that the shift lever is
set in P (continuously vari-
able transmission) or N
(manual transmission).
3 Turn the engine switch to
ACC.
4 Press and hold the engine
switch for about 15 seconds
while depressing the brake
pedal (continuously variable
transmission) or clutch pedal
(manual transmission) firmly.
Even if the engi ne can be started
using the above steps, the system
may be malfunctioning. Have the
vehicle inspected by your Toyota
dealer.
The starter motor does
not turn over
The starter motor does
not turn over, the interior
lights and headlights do
not turn on, or the horn
does not sound.
Emergency start function

5008-2. Steps to take in an emergency
COROLLA H/B_U
■When the electronic key does
not work properly
●Make sure that the smart key sys-
tem has not been deactivated in
the customization setting. If it is
off, turn the function on. (Custom-
izable features  P.531)
●Check if battery-saving mode is
set. If it is set, cancel the function.
( P.109)
Use the mechanical key
( P.100) in order to perform the
following operations:
If you lose your keys
New genuine mechanical
keys can be made by your
Toyota dealer using another
mechanical key 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.
NOTICE
■When an electronic key is lost
If the electronic key remains lost,
the risk of vehicle theft increases
significantly. Visit your Toyota
dealer immediately with all
remaining electronic keys that
were provided wit h your vehicle.
If the electronic key
does not operate prop-
erly
If communication between
the electronic key and vehi-
cle is interrupted ( P.109)
or the electronic key cannot
be used because the battery
is depleted, the smart key
system and wireless remote
control cannot be used. In
such cases, the doors can
be opened and the engine
can be started by following
the procedure below.
NOTICE
■In case of a smart key system
malfunction or other
key-related problems
Take your vehicle with all the elec-
tronic keys provided with your
vehicle to your Toyota dealer.
Locking and unlocking
the doors