2023 TOYOTA COROLLA CROSS change key battery

701-4. Theft deterrent system
If a door is unlocked using the
mechanical key while the alarm is
set, a warning will sound intermit-
tently for approximately 10 seconds.
If the alarm is not canceled or
stopped during this time, the warn-
ing pattern changes and the warning
sounds for a certain period of time.
●A person inside the vehicle opens
a door or hood, or unlocks the
vehicle using a door lock switch or
inside lock button.
●The battery is recharged or
replaced when the vehicle is
locked. ( P.421)
■Alarm-operated door lock
In the following cases, depending
on the situation, th e door may auto-
matically lock to p revent improper
entry into the vehicle:
●When a person remaining in the
vehicle unlocks the door and the
alarm is activated.
●While the alarm i s activated, a
person remaining in the vehicle
unlocks the door.
●When recharging or replacing the
battery
NOTICE
■To ensure the system oper-
ates correctly
Do not modify or remove the sys-
tem. If modified or removed, the
proper operation of the system
cannot be guaranteed.

1193-2. Opening, closing and locking the doors
3
Before driving
●Interior buzzer sounds continu-
ously
■If “Key Detected in Vehicle” is
shown on the multi-information
display
An attempt was m ade to lock the
doors using the smart key system
while the electronic key was still
inside the vehicle. Retrieve the elec-
tronic key from the vehicle and lock
the doors again.
■Battery-saving function
The battery-saving function will be
activated in order to prevent the
electronic key battery and the vehi-
cle battery from being discharged
while the vehicle is not operated for
a long time.
●In the following situations, the
smart key system may take some
time to unlock the doors. Also the
illuminated entry system may not
operate properly.
• The electronic key has been left in an area of approximately 11 ft.
(3.5 m) of the outside of the vehi-
cle for 40 seconds or longer.
• The smart key system has not been used for 5 days or longer.
●If the smart key system has not
been used for 14 days or longer,
the doors cann ot be unlocked from any door except the driver’s
door. In this case, hold the driver’s
door handle, or use the wireless
remote control or mechanical key
to unlock the doors.
■Electronic key battery-saving
function
When battery-saving mode is set,
battery depletion is minimized by
stopping the electronic key from
receiving radio waves.
Press twice while pressing and
holding . Confirm that the elec-
tronic key indicator flashes 4 times.
While the battery-saving mode is
set, the smart key system cannot be
used. To cancel the function, press
any of the electronic key buttons.
■When electronic key function
stops
If the position of the electronic key
has not changed for a certain
amount of time suc h as when the
electronic key is left some where,the
function of the elec tronic key stops
to reduce depletion of the battery.
■Conditions affecting operation
The smart key system uses weak
radio waves. In the following situa-
tions, the communication between
the electronic key and the vehicle
may be affected, preventing the
smart key system, wireless remote
control and engi ne immobilizer sys-
tem from operating properly.
●When the electronic key battery is
depleted
●Near a TV tower, electric power
plant, gas station, radio station,
large display, airpo rt or other facil-
SituationCorrection
procedure
The engine switch
was turned to ACC
while the driver’s
door was open (or
the driver’s door was
opened while the
engine switch was in
ACC).
Turn the
engine
switch off
and close
the driver’s
door.
The engine switch
was turned to off
while the driver’s
door was open.Close the
driver’s
door.

1203-2. Opening, closing and locking the doors
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.418)
If the engine cannot be started using
the smart key system, refer to
P.418.
■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 on the instru-
ment panel, luggage compartment
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
the door handle, such as in the
rain or in a car wash when the
electronic key is within the effec-
tive range. (The doors will auto-
matically be locked after
approximately 60 seconds if the
doors are not opened and closed.)

1634-2. Driving procedures
4
Driving
All electrical components 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.172)
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 displ ayed, 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.382)
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

1644-2. 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. 6 8 )
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.419to restart the engine.
■Electronic key battery depletion
 P. 9 8
■Conditions affecting operation
 P. 1 1 9
■Notes for the entry function
 P.120
■Electronic key battery
 P.368
■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.417.
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.

477Alphabetical Index
Daytime running lights/parking lightsReplacing light bulbs ............ 375
Defogger Outside rear view mirrors ... 288, 295
Rear window ................ 288, 295
Windshield.................... 287, 294
Differential Rear differential oil ............... 433
Dimensions ............................. 428
Dinghy towing ........................ 161
Display Cruise control ....................... 231
Dynamic radar cruise control 223
Intuitive parking assist .......... 259
Multi-information display .. 82, 89
RCTA .................................... 249
Warning message ................ 401
Display change button ....... 77, 80
Do-it-yourself maintenance ... 335
Door lock Back door ............................. 108
Key ....................................... 104
Side doors ............................ 103
Smart key system................. 118
Wireless remote control ....... 100
Doors Automatic door locking and unlocking system................ 107
Back door ............................. 108
Door glasses ........................ 132
Door lock .............................. 108
Open door warning buzzer . 105, 107
Outside rear view mirrors ..... 130
Rear door child-protectors.... 107
Drive distance ..................... 85, 92
Drive information ............... 85, 92
Drive-Start Control (DSC) Sudden start restraint control147 Driving
Break-in tips .........................142
Correct driving posture ...........23
Procedures ...........................141
Winter drive tips....................279
Driving information display83, 90
Driving range ................83, 84, 90
Driving support system informa- tion display........................85, 91
DSC (Drive-Start Control) Sudden start restraint control147
Dynamic radar cruise control 220
Dynamic Torque Control AWD system ...................................274
E
Eco Driving Indicator .........84, 90
Eco Driving Indicator Light84, 90
EDR (Event data recorder) .........8
Elapsed time .......................85, 92
Electric Power Steering (EPS) ...............................................274Warning light.........................393
Electronic key ...........................98 Battery-saving function ......... 119
If the electronic key does not operate properly .................417
Replacing the battery ...........368
Emergency Driving Stop System ...............................................235
Emergency flashers ...............382
Emergency, in case of If a warning buzzer sounds ..391
If a warning light turns on .....391
If a warning message is dis-played .................................401
If the battery is d ischarged ...419
If the electronic key does not operate properly .................417
If the engine will not start......415
If the vehicle is submerged or water on the road is rising ..384