change key battery TOYOTA COROLLA CROSS HYBRID 2023 Owners Manual

781-5. 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 12-volt battery is recharged or
replaced when the vehicle is
locked. ( P.435)
■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
12-volt 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.

1303-2. Opening, closing and locking the doors
●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
●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 cannot 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 immobilizer system from
operating properly.
●When the electronic key battery is
depleted
SituationCorrection
procedure
An attempt was
made to lock the
vehicle while a door
was open.Close all of
the doors
and lock the
doors again.
SituationCorrection procedure
The power switch
was turned to ACC
while the driver’s
door was open (or
the driver’s door was
opened while the
power switch was in
ACC).
Turn the
power
switch off
and close
the driver’s
door.
The power switch
was turned to off
while the driver’s
door was open.Close the
driver’s
door.

1313-2. Opening, closing and locking the doors
3
Before driving
●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.431)
If the hybrid system cannot be
started using the smart key system,
refer to P.432.
■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 hybrid system
is started or power 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 hybrid system if the
electronic 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-

1754-2. Driving procedures
4
Driving
using the smart key system. Refer
to P.433 to restart the hybrid sys-
tem.
■If the “READY” indicator does
not come on
In the event that the “READY” indi-
cator does not come on even after
performing the proper procedures
for starting the vehicle, contact your
Toyota dealer immediately.
■If the hybrid system is malfunc-
tioning
 P. 7 5
■Electronic key battery depletion
 P. 1 1 2
■Conditions affecting operation
 P. 1 3 0
■Notes for the entry function
 P. 1 3 1
■Electronic key battery
 P. 3 8 2
■Operation of the power switch
●If the switch is not pressed shortly
and firmly, the power switch mode
may not change or the hybrid sys-
tem may not start.
●If attempting to re start the hybrid
system immediately after turning
the power switch off, the hybrid
system may not start in some
cases. After turn ing the power
switch off, please wait a few sec-
onds before restarting the hybrid
system.
■Customization
If the smart key system has been
deactivated in a customized setting,
refer to P.431.
1 Stop the vehicle completely.
2 Set the parking brake
( P.186), and shift the shift
lever to P.
Check the parking brake indicator
is illuminated.
Do not press the shift lever button
after shifting the shit position to P.
3 Press the power switch.
The hybrid system will stop, and the
meter display will be extinguished.
WARNING
■When starting the hybrid sys-
tem
Always start the hybrid system
while sitting in the driver’s seat.
Do not depress t he accelerator
pedal while starting the hybrid
system under any circumstances.
Doing so may cause an accident
resulting in death o r serious injury.
NOTICE
■When starting the hybrid sys-
tem
If the hybrid system becomes diffi-
cult to start, have your vehicle
checked by your Toyota dealer
immediately.
■Symptoms indicating a mal-
function with the power
switch
If the power 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 hybrid sys-
tem

4327-2. Steps to take in an emergency
1Ensure that the shift lever is
in P and depress the brake
pedal.
2 Touch the electronic key to
the power switch.
When the electronic key is
detected, a buzzer sounds and the
power switch will turn to ON.
When the smart key system is
deactivated in customization set-
ting, the power switch will turn to
ACC.
3Firmly depress the brake
pedal and check that is shown on the multi-informa-
tion display.
4 Press the power switch
shortly and firmly.
In the event that the hybrid sys-
tem still cannot be started, con-
tact your Toyota dealer.
■Stopping the hybrid system
Shift the shift lever to P and press
the power switch as you normally do
when stopping the hybrid system.
■Electronic key battery
As the above proce dure is a tempo-
rary measure, it is recommended
that the electronic key battery be
replaced immediately when the bat-
tery is depleted. ( P.382)
■Alarm (if equipped)
If a door is unl ocked using the
mechanical key when the alarm sys-
tem is set, the alarm may be trig-
gered. ( P.77)
■Changing power switch modes
Release the brake pedal and press
the power switch in step 3 above.
The hybrid system does not start
and modes will be changed each
time the switch is pressed. ( P.177)
WARNING
■When using the mechanical
key and operating the power
windows or moon roof (if
equipped)
Operate the power window or
moon roof after checking to make
sure that there is n o possibility of
any passenger having any of their
body parts caught in the window
or moon roof.
Also, do not allow children to
operate the mechanical key. It is
possible for children and other
passengers to get caught in the
power window or moon roof.
Starting the hybrid sys-
tem

491Alphabetical Index
Windshield............................ 300
Differential Rear differential oil ............... 448
Dimensions ............................. 444
Dinghy towing ........................ 173
Display Cruise control ....................... 246
Dynamic radar cruise control 238
Energy monitor ..................... 105
Intuitive parking assist .......... 268
Multi-information display .. 90, 98
RCTA .................................... 258
Warning message ................ 412
Display change button ....... 85, 89
Do-it-yourself maintenance ... 341
Door lock Back door ............................. 119
Side doors ............................ 115
Smart key system................. 129
Wireless remote control ....... 113
Doors Automatic door locking and unlocking system................ 118
Back door ............................. 119
Door glasses ........................ 143
Door lock .............................. 119
Open door warning buzzer . 116, 11 8
Outside rear view mirrors ..... 141
Rear door child-protectors.... 118
Drive distance ................... 95, 102
Drive information ............. 95, 102
Drive-Start Control (DSC) Sudden start restraint control159
Driving Break-in tips ......................... 154
Correct driving posture ........... 23
Driving mode select switch... 283
Hybrid vehicle driving tips .... 289
Procedures ........................... 153
Winter drive tips ................... 291
Driving information display91, 99 Driving range ......................92, 99
Driving support system informa-
tion display......................95, 102
DSC (Drive-Start Control) Sudden start restraint control159
Dynamic radar cruise control 235
E
ECO Accelerator Guidance....93, 100
Eco score ..........................93, 100
EDR (Event data recorder) .........8
E-Four ......................................285
Elapsed time .....................95, 102
Electric motor (t raction motor)68
Electric Power Steering (EPS) ...............................................285Warning light.........................405
Electronic key ......................... 112 Battery-saving function .........130
If the electronic key does not operate properly .................431
Replacing the battery ...........382
Emergency Driving Stop System ...............................................250
Emergency flashers ...............394
Emergency tire puncture .......417
Emergency, in case of If a warning buzzer sounds ..402
If a warning light turns on .....402
If a warning message is dis-played .................................412
If the 12-volt battery is dis- charged ..............................433
If the electronic key does not operate properly .................431
If the fuel filler door cannot be opened ...............................430
If the hybrid sys tem will not start
...........................................428
If the vehicle is submerged or water on the road is rising ..396