2023 TOYOTA COROLLA change key battery

1223-2. Opening, closing and locking the doors
●Near a TV tower, electric power
plant, gas station, radio station,
large display, airpo rt or other facil-
ity that generates strong radio
waves or electrical noise
●When carrying a portable radio,
cellular phone, cordless phone or
other wireless communication
device
●When the electronic key is in con-
tact with, or is covered by the fol-
lowing metallic objects
• Cards to which al uminum foil is
attached
• Cigarette boxes that have alumi- num foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that
emit radio waves) are being used
nearby
●When carrying the electronic key
together with the following devices
that emit radio waves
• Another vehicle’s electronic key or a wireless key that emits radio
waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic con-
tent or metallic objects are
attached to the rear window
●When the electronic key is placed
near a battery charger or elec-
tronic devices
●When the vehicle is parked in a
pay parking spot where radio
waves are emitted
If the doors cannot be
locked/unlocked using the smart key
system, lock/unlock the doors by
performing any of the following:
●Bring the electronic key close to
either front door handle and oper-
ate the entry function.
●Operate the wireless remote con- trol.
If the doors cannot be
locked/unlocked using the above
methods, use the mechanical key.
(  P.382)
If the engine cannot be started using
the smart key system, refer to
P.382.
■Note for the entry function
●Even when the electronic key is
within the effective range (detec-
tion areas), the system may not
operate properly in the following
cases:
• The electronic key is too close to the window or outside door han-
dle, near the ground, or in a high
place when the doors are locked
or unlocked.
• The electronic key is near the ground or in a high place, or too
close to the center of the rear
bumper when the trunk is opened.
• The electronic key is on the instru- ment panel, rear package tray or
floor, or in the door pockets or
glove box when the engine is
started or engine switch modes
are changed.
●Do not leave the electronic key on
top of the instrument panel or near
the door pockets when exiting the
vehicle. Depending on the radio
wave reception conditions, it may
be detected by the antenna out-
side the cabin and the door will
become lockable from the outside,
possibly trapping the electronic
key inside the vehicle.
●As long as the electronic key is
within the effective range, the
doors may be locked or unlocked
by anyone. However, only the
doors detecting the electronic key
can be used to unlock the vehicle.
●Even if the electro nic key is not
inside the vehicle, it may be possi-
ble to start the engine if the elec-
tronic key is near the window.
●The doors may unlock or lock if a
large amount of water splashes on

1554-2. Driving procedures
4
Driving
3ON ( “ON” position)
All electrical com ponents can be
used.
4 START ( “START” position)
For starting the engine.
■Turning the key from ACC to
OFF
1 Shift the shift lever to P.
2 Push in the key and turn it to
OFF.
■Key reminder function
A buzzer sounds if the driver’s door
is opened while the engine switch is
in OFF or ACC to r emind you to
remove the key.
1 Check that the parking brake
is set. ( P.168)
2 Check that the shift lever is 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 seconds, whichever
is less.
Continue depressing the brake
pedal until the engine is completely
started.
The engine can be started from any
WARNING
■Caution when driving
Do not turn the engine switch to
OFF while driving. If, in an emer-
gency, you must turn the engine
off while the vehicle is moving,
turn the engine switch only to
ACC to stop the engine. An acci-
dent may result i f the engine is
stopped while driving. ( P.348)
NOTICE
■To prevent battery discharge
Do not leave the engine switch in
ACC or ON for long periods of
time without the engine running.
Engine (ignition)
switch (vehicles with
a smar t key system)
Performing the following
operations when carrying
the electronic key on your
person starts the engine or
changes engine switch
modes.
Starting the engine

1564-2. Driving procedures
engine switch mode.
■Engine switch illumination
According to the situation, the
engine switch illumi nation 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. 7 7 )
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.383 to restart the engine.
■Electronic key battery depletion
 P. 1 0 6
■Conditions affecting operation
 P. 1 2 1
■Notes for the entry function
 P.122
■Electronic key battery
 P.333
■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.381.
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 o r 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.

441Alphabetical Index
Multi-information display .. 91, 97
RCTA .................................... 237
Warning message ................ 366
Display change button ....... 87, 90
Do-it-yourself maintenance ... 295
Door lock Doors.................................... 111
Key ....................................... 112
Smart key system................. 120
Wireless remote control ....... 108
Doors Automatic door locking and unlocking system................ 116
Door glasses ........................ 134
Door lock .............................. 111
Open door warning buzzer . 113, 11 6
Outside rear view mirrors ..... 132
Rear door child-protectors.... 116
Side doors ............................ 111
Drive distance ................... 95, 100
Drive information ............. 95, 100
Drive-Start Control (DSC) ...... 149
Driving Break-in tips ......................... 144
Correct driving posture ........... 25
Driving mode select switch... 247
Procedures ........................... 143
Winter drive tips ................... 253
Driving information display92, 98
Driving range ...................... 93, 98
Driving support system informa- tion display ....................... 94, 99
DSC (Drive-Start Control) ...... 149
Dynamic radar cruise control 219
E
Eco Driving Indicator ......... 93, 98
Eco Driving Indicator Light93, 98
EDR (Event data recorder)......... 8
Elapsed time ..................... 95, 100 Electric Power Steering (EPS)
...............................................249Warning light.........................358
Electronic key .........................106 Battery-saving function .........121
If the electronic key does not operate properly .................381
Replacing the battery ...........333
Emergency Driving Stop System ...............................................230
Emergency flashers ...............348
Emergency, in case of If a warning buzzer sounds ..356
If a warning light turns on .....356
If a warning message is dis-played .................................366
If the battery is d ischarged ...383
If the electronic key does not operate properly .................381
If the engine will not start......379
If the vehicle is submerged or water on the road is rising ..350
If you have a flat tire .............370
If you lose your keys.............381
If you think something is wrong ...........................................354
If your vehicle becomes stuck ...........................................389
If your vehicle has to be stopped in an emergency .................348
If your vehicle needs to be towed ...........................................351
If your vehicle ove rheats ......387
Engine ACCESSORY mode . ............158
Compartment........................304
Engine switch ...............154, 155
Fuel pump shut off system ...355
Hood .....................................302
How to start the engine 154, 155
Identification number ............393
If the engine will not start......379