2023 TOYOTA COROLLA HATCHBACK key battery

1334-2. Driving procedures
4
Driving
4-2.Driving procedures
1Pull the parking brake switch
to check that the parking
brake is set. ( P.142)
The parking brake indicator will
come on.
2Check that the shift lever is
set in P.
3 Firmly depress the brake
pedal.
and a message will be dis-
played on the multi-information dis-
play.
If it is not displayed, the engine
cannot be started.
4 Press the engine switch
shortly and firmly.
When operating the engine switch,
one short, firm press is enough. It is
not necessary to press and hold the
switch.
The engine will crank until it starts
or for up to 30 seco nds, whichever
is less.
Continue depressing the brake
pedal until the engine is completely
started.
The engine can be started from any engine switch mode.
■Engine switch illumination
According to the situation, the
engine switch illumination operates
as follows:
●When a door is opened, or the
engine switch mode is changed
from ACC or ON to off, the engine
switch illumination comes on.
●When depressing the brake pedal
with carrying the electronic key on
your person, the engine switch
illumination blinks.
●When the engine switch mode is
in ACC or ON, the engine switch
illumination is constantly illumi-
nated.
■If the engine does not start
●The engine immobilizer system
may not have been deactivated.
(  P. 6 4 )
Contact your Toyota dealer.
●If a message related to start-up is
shown on the multi-information
display, read the message and fol-
low the instructions.
■If the battery is discharged
The engine cannot be started using
the smart key system. Refer to
P.358to restart the engine.
■Electronic key battery depletion
 P. 9 2
■Conditions affecting operation
 P.104
Engine (ignition)
switch
Performing the following
operations when carrying
the electronic key on your
person starts the engine or
changes engine switch
modes.
Starting the engine

1344-2. Driving procedures
■Notes for the entry function
 P. 1 0 5
■Electronic key battery
 P. 3 0 4
■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.356.
1 Stop the vehicle completely.
2 Set the parking brake
( P.142), and shift the shift
lever to P.
Check the parking brake indicator
is illuminated.
3 Press the engine switch
shortly and firmly.
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-
play.
■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 with the engine running for an
extended period.
●The engine will automatically shut
off after approxima tely 1 hour if it
has been left running while the
shift lever is in P.
●The timer for the automatic engine
shut off feature will reset if the
brake pedal is depressed, or if the
shift lever is in a position other
than P.
WARNING
■When starting the engine
Always start the e ngine 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.
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

1494-3. Operating the lights and wipers
4
Driving
sensor is affixed to the windshield.
Doing so interferes with the sensor
detecting the level of ambient light
and may cause the automatic head-
light system to malfunction.
■Automatic light off system
●When the headlights are on: The
headlights and tail lights turn off
30 seconds after the driver’s door
is opened and closed if the engine
switch is turned to ACC or OFF.
(The lights turn off immediately if
on the key is pressed after all
the doors are closed.)
●When only the tail lights are on:
The tail lights tu rn off automati-
cally if the engine switch is turned
to ACC or OFF and the driver’s
door is opened.
To turn the lights on again, turn the
engine switch to ON, or turn the light
switch off once and then back to
or .
■Light reminder buzzer
A buzzer sounds when the engine
switch is turned to OFF or ACC and
the driver’s door is opened while the
lights are turned on.
■Automatic headlight leveling
system (if equipped)
The level of the headlights is auto-
matically adjusted according to the
number of passengers and the load-
ing condition of the vehicle to
ensure that the headlights do not
interfere with other road users.
■Windshield wiper linked head-
light illumination
When driving during daytime with
the headlight switch turned to , if
the windshield wipers are used, the
headlights will turn on automatically
after several seconds to help
enhance the visibility of your vehi-
cle.
■Battery-saving function
In order to prevent the battery of the vehicle from discharging, if the
headlights and/or tail lights are on
when the engine switch is turned off
the battery saving function will oper-
ate and automatically turn off all the
lights after approximately 20 min-
utes. When the engine switch is
turned to ON, the
battery-saving
function will be disabled.
When any of the following are per-
formed, the battery-saving function
is canceled once and then reacti-
vated. All the lights will turn off auto-
matically 20 minutes after the
Battery- saving function has been
reactivated:
●When the headlight switch is oper-
ated
●When a door is opened or closed
■Customization
Some functions can be customized.
(  P.386)
1 With the headlights on, push
the lever away from you to
turn on the high beams.
Pull the lever toward you to the
NOTICE
■To prevent battery discharge
Do not leave the lights on longer
than necessary w hen the engine
is not running.
Turning on the high beam
headlights

2445-2. Using the interior lights
interior light will turn on when a
door is open and turn off when
all of them are closed.
When the rear interior light is on
linked to the door position for
the front interior lights, it will not
turn off even though the switch
is pressed.
Turns the lights on/off
■Illuminated entry system
The lights automatically turn on/off
according to the engine switch
mode, the presence of the elec-
tronic key, whether the doors are
locked/unlocked, and whether the
doors are opened/closed.
■To prevent the battery from
being discharged
If the interior lights remain on when
the engine switch is turned off, the
lights will go off automatically after
20 minutes.
■The interior lights may turn on
automatically when
If any of the SRS airbags deploy
(inflate) or in the event of a strong
rear impact, the interior lights will
turn on automatically.
The interior lights will turn off auto-
matically after approximately 20 minutes.
The interior lights can be turned off
manually. However, in order to help
prevent further co
llisions, it is rec-
ommended that they be left on until
safety can be ensured.
(The interior lights may not turn on
automatically depending on the
force of the impact and conditions of
the collision.)
■Customization
Some functions can be customized.
(  P.386)
Operating the personal
lights
NOTICE
■To prevent battery discharge
Do not leave the lights on longer
than necessary w hen the engine
is not running.

259
6
6
Maintenance and care
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 260
Cleaning and protecting the vehicle interior ........... 262
6-2. Maintenance Maintenance requirements.................................. 265
General maintenance.. 267
Emission inspection and maintenance (I/M) pro-
grams ........................ 270
6-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 271
Hood ........................... 273
Positioning a floor jack .................................. 274
Engine compartment ... 275
Tires ............................ 282
Tire inflation pressure.. 299
Wheels ......... ...............301
Air conditioning filter .... 303
Electronic key battery.. 304
Checking and replacing fuses.......................... 306
Light bulbs................... 309

2806-3. Do-it-yourself maintenance
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.

3046-3. Do-it-yourself maintenance
frequent 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
 Small flathead screwdriver
 Lithium battery CR2450
■Use a CR2450 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

3056-3. Do-it-yourself maintenance
6
Maintenance and care
1Release 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
■Battery precautions
Observe the following precau-
tions.
Failure to do so may result in
death or serious injury.
●Do not swallow the battery.
Doing so may cause chemical
burns.
●A coin battery or button battery
is used in the electronic key. If a
battery is swa llowed, it may
cause severe chemical burns in
as little as 2 hours and may
result in death or serious injury.
●Keep away new and removed
batteries from children.
●If the cover cannot be firmly
closed, stop using the electronic
key and stow the key in the
place where children cannot
reach, and then contact your
Toyota dealer.