change key battery TOYOTA COROLLA 2020 Owners Manual (in English)

1484-2. Driving procedures
COROLLA_Uas the audio system can be used.
3
ON ( “ON” position)
All electrical components can be
used.
4START ( “START” position)
For starting the engine.
■Turning the key from ACC to
OFF
1 Shift the shift le ver to P (continu-
ously variable transmission) or N
(manual transmission).
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 remind you to
remove the key.
1 Check that the parking brake
is set. ( P.163, 164)
2 Check that the shift lever is in
P (continuously variable
transmission) or N (manual
transmission).
3 Firmly depress the brake
pedal (continuously variable
transmission) or clutch pedal
(manual transmission).
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 (continuously variable trans-
mission) or clutch pedal (manual
transmission) until the engine is
completely started.
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 if the engine is
stopped while driving. ( P.472)
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

1494-2. Driving procedures
COROLLA_U
4
Driving
The engine can be started from any
engine switch mode.
■If the engine does not start
●The engine immobilizer system
may not have been deactivated.
(  P. 6 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.515 to restart the engine.
■Electronic key battery depletion
 P. 9 7
■Conditions affecting operation
 P. 1 1 3
■Notes for the entry function
 P. 1 1 4
■Steering lock function
●After turning the engine switch off
and opening and closing the
doors, the steering wheel will be
locked due to the steering lock
function. Operating the engine
switch again automatically can-
cels the steering lock.
●When the steering lock cannot be
released, “Push Engine Switch
while Turning Steering Wheel in
Either Direction” will be displayed
on the multi-information display.
Press the engine switch shortly
and firmly while turning the steer- ing wheel left and right.
●To prevent the steering lock motor
from overheating, operation of the
motor may be suspended if the
engine is turned on and off repeat-
edly in a short period of time. In
this case, refrain from operating
the engine switch. After about 10
seconds, the steering lock motor
will resume functioning.
■Electronic key battery
 P.458
■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.513.
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 or serious injury.

5158-2. Steps to take in an emergency
COROLLA_U
8
When trouble arises
ACC.
3 Firmly depress the brake
pedal (continuously variable
transmission) or clutch pedal
(manual transmission) and
check that is shown on
the multi-information display.
4 Press the engine switch
shortly and firmly.
In the event that the engine still
cannot be started, contact your
Toyota dealer.
■Stopping the engine
Shift the shift lever to P (continu-
ously variable transmission) or N
(manual transmission) and press
the engine switch as you normally
do when stopping the engine.
■Electronic key battery
As the above procedure is a tempo-
rary measure, it is recommended
that the electronic key battery be
replaced immediately when the bat-
tery is depleted. ( P.458)
■Changing engine switch modes
Release the brake pedal (continu-
ously variable transmission) or
clutch pedal (manual transmission)
and press the engine switch in step
3 above.
The engine does not start and
modes will be changed each time
the switch is pressed. ( P.151)
If the vehicle batter y
is discharged
The following procedures
may be used to start the
engine if the vehicle’s bat-
tery is discharged.
You can also call your Toy-
ota dealer or a qualified
repair shop.

5731-1. What to do if... (Troubleshooting)
COROLLA_U573Alphabetical Index
Types of child restraint system installation method ............... 48
Using an anchor bracket ........ 58
Child safety Airbag precautions ................. 34
Battery precautions ...... 443, 519
Child restraint system............. 48
Heated steering wheel and seat heater precautions ............. 396
How your child should wear the seat belt................................ 26
Moon roof precautions ......... 131
Power window lock switch.... 129
Power window precautions .. 128
Rear door child-protectors.... 107
Removed electronic key battery precautions......................... 460
Seat belt extender precautions ............................................. 26
Seat belt precautions ............. 45
Trunk precautions................. 108
Child-protectors ..................... 107
Cleaning Aluminum wheels ................. 422
Exterior ................................. 422
Interior .................................. 424
Radar sensor........................ 181
Seat belts ............................. 424
Clock ............... 77, 79, 81, 84, 297
Coat hooks .............................. 413
Command list ......................... 339
Condenser .............................. 440
Console box ............................ 402
Consumption screen................ 92
Continuously variable transmis- sion ................................ 153, 155If the shift lever cannot be shifted from P......................... 154, 157
M mode ................................ 158
Paddle shift switches.... 157, 158
Cooling system ...................... 440 Engine overheating .............. 519 Cruise control
Dynamic radar cruise control 223
Dynamic radar cruise control with full-speed range ..........213
Cup holders.............................401
Current fuel consumption........88
Curtain shield airbags ..............29
Customizable features ...........548
D
Daytime running light system170
DCM .................................377, 378
Defogger Outside rear view mirrors ...388, 392
Rear window.................388, 392
Windshield ....................387, 392
Dimensions .............................524
Dinghy towing .........................146
Display Dynamic radar cruise control 223
Dynamic radar cruise control with full-speed range ..........213
LDA (Lane Departure Alert with steering control)..................210
LTA (Lane-Tracing Assist) .....201
Multi-information display.........86
Warning message.................490
Display change button .......78, 83
Do-it-yourself maintenance ...428
Door lock Doors ....................................103
Key .......................................104
Smart key system ................. 111
Wireless remote control..........98
Doors Automatic door locking and unlocking system ................107
Door glasses ........................127
Door lock ..............................103
Open door warning buzzer .105, 107