key TOYOTA COROLLA 2021 (in English) Manual Online

604What to do if... (Troubleshooting)
COROLLA_U
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your keys or
mechanical keys, new genu-
ine keys or mechanical keys
can be made by your Toyota
dealer. ( P.544)
 If you lose your keys or elec-
tronic keys, the risk of vehicle
theft increases significantly.
Contact your Toyota dealer
immediately. ( P.544)
 Is the key battery weak or
depleted? ( P.489)
 Vehicles with a smart key sys-
tem: Is the engine switch in
ON?
When locking the doors, turn the
engine switch off. ( P.166)
 Vehicles with a smart key sys-
tem: Is the electronic key left
inside the vehicle?
When locking the doors, make sure
that you have the electronic key on
your person.
 The function may not operate
properly due to the condition
of the radio wave. ( P. 1 1 3 ,
127)
 Is the child-protector lock set?
The rear door cannot be opened
from inside the vehicle when the
lock is set. Open the rear door from
outside and then unlock the
child-protector lock. ( P.121)
 Continuously variable trans-
mission: Is the shift lever in
P? ( P.163)
 Manual transmission: Do you
turn the key with the clutch
pedal depressed firmly?
( P.163)
 Is the steering wheel
unlocked? ( P.163)
 Is the battery discharged?
( P.546)
If you have a problem,
check the following before
contacting your Toyota
dealer.
The doors cannot be
locked, unlocked, opened
or closed
You lose your keys
The doors cannot be
locked or unlocked
The rear door cannot be
opened
If you think something is
wrong
The engine does not start
(vehicles without a smart
key system)

605What to do if... (Troubleshooting)
COROLLA_U
Continuously variable trans-
mission: Did you press the
engine switch while firmly
depressing the brake pedal?
( P.164)
 Manual transmission: Did you
press the engine switch while
firmly depressing the clutch
pedal? ( P.164)
 Continuously variable trans-
mission: Is the shift lever in
P? ( P.164)
 Is the electronic key any-
where detectable inside the
vehicle? ( P.126)
 Is the steering wheel
unlocked? ( P.165)
 Is the electronic key battery
weak or depleted?
In this case, the engine can be
started in a temporary way.
( P.545)
 Is the battery discharged?
( P.546)
 Is the engine switch in ON?
If you cannot release the shift lever
by depressing the brake pedal with
the engine switch in ON. ( P.171)
 Vehicles without a smart key
system: It is locked to prevent
theft of the vehicle if the key is
pulled from the engine switch.
( P.163)
 Vehicles with a smart key sys-
tem: It is locked automatically
to prevent theft of the vehicle.
( P.165)
 Is the window lock switch
pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the window lock switch
is pressed. ( P.144)
 The auto power off function
will be operated if the vehicle
is left in ACC or ON (the
engine is not running) for a
period of time. ( P.168)
The engine does not start
( v e h i c l e s w i t h a s m a r t k e y
system)
The shift lever cannot be
shifted from P even if you
depress the brake pedal
(continuously variable
transmission)
The steering wheel can-
not be turned after the
engine is stopped
The windows do not open
or close by operating the
power window switches
The engine switch is
turned off aut omatically
( v e h i c l e s w i t h a s m a r t k e y
system)
A warning buzzer sounds
during driving

606What to do if... (Troubleshooting)
COROLLA_U
The seat belt reminder light is
flashing
Are the driver and the passenger
wearing the seat belts? ( P.514)
 The parking brake indicator is
on
Is the parking brake released?
( P.180
, 181)
Depending on the situation,
other types of warning buzzer
may also sound. ( P.511, 521)
 Did anyone inside the vehicle
open a door during setting the
alarm?
The sensor detects it and the alarm
sounds. ( P. 8 2 )
Do one of the following to deac-
tivate or stop the alarms:
 Unlock the doors.
 Turn the engine switch to
ACC or ON, or start the
engine. (The alarm will be
deactivated or stopped after a
few seconds.)
 Is the electronic key left inside
the vehicle?
Check the message on the
multi-information display. ( P.521)
 When a warning light turns on
or a warning message is dis-
played, refer to P.511, 521.
 Vehicles with an emergency
tire puncture repair kit: Stop
the vehicle in a safe place and
repair the flat tire temporarily
with the emergency tire punc-
ture repair kit. ( P.523)
 Vehicles with a spare tire:
Stop the vehicle in a safe
place and replace the flat tire
with the spare tire. ( P.534)
 Try the procedure for when
the vehicle becomes stuck in
mud, dirt, or snow. ( P.553)
An alarm is activated and
the horn sounds (vehicles
with an alarm)
A warning buzzer sounds
when leaving the vehicle
( v e h i c l e s w i t h a s m a r t k e y
system)
A warning light turns on
or a warning message is
displayed
When a problem has
occurred
If you have a flat tire
The vehicle becomes
stuck

607Alphabetical Index
COROLLA_U
Alphabetical Index
A
A/CAir conditioning filter ............. 487
Automatic air conditioning sys-tem ..................................... 421
Manual air conditioning system ........................................... 416
ABS (Anti-lock Brake System) ............................................... 272Warning light ........................ 513
ACA (Active Cornering Assist) ............................................... 272
Active Cornering Assist (ACA) ............................................... 272
Adaptive Front-lighting System (AFS)...................................... 188
AFS (Adaptive Front-lighting System) ................................. 188
Air conditioning filter ............. 487
Air conditioning system Air conditioning filter ............. 487
Automatic air conditioning sys-tem ..................................... 421
Manual air conditioning system ........................................... 416
Airbags Airbag operating conditions.... 33
Airbag precautions for your child............................................. 36
Correct driving posture ........... 25
Curtain shield airbag operating conditions ............................. 34
Curtain shield airbag precautions ............................................. 36
Front passenger occupant clas- sification system ................... 41
General airbag precautions .... 36
Locations of airbags ............... 31
Modification and disposal of air- bags ..................................... 40 Side airbag operating conditions
.............................................34
Side airbag precautions..........36
Side and curtain shield airbags operating conditions .............34
Side and curtain shield airbags precautions ...........................36
SRS airbags ...........................31
SRS warning light .................512
Alarm Alarm ......................................82
Warning buzzer .................... 511
AM ............................................333
Anchor brackets ... ..............50, 68
Android Auto ...........................344
Antennas (smart key system)125
Anti-lock Brake System (ABS) ...............................................272Warning light.........................513
Apple CarPlay/Android Auto .314 Troubleshooting ....................317
Approach warning ..........236, 246
Apps button (Menu screen) ...285
Armrest ......... ......................... ..443
Assist grips .............................443
Audio .......................................328 Audio source ........................329
Operating information ...........352
Reordering the audio source 329
Screen adjustment ...............331
Some basics .........................329
Sound settings......................330
Turning the sys tem on and off
...........................................329
USB port ...............................330
Voice command system .......332
AUDIO button ..........................283
Audio button (Menu screen) ..285
Audio buttons overview .........283
Audio settings.........................351 Common settings .................351
Radio settings.......................351

609Alphabetical Index
COROLLA_URiding with children ................ 47
Types of child restraint system
installation met hod ............... 50
Using an anchor bracket ........ 68
Child safety Airbag precautions ................. 36
Battery precautions ...... 473, 550
Child restraint system............. 50
Heated steering wheel and seat
heater precautions ............. 426
How your child should wear the seat belt................................ 28
Moon roof precau tions ......... 146
Power window lock switch.... 144
Power window precautions .. 143
Rear door child-protectors.... 121
Removed electronic key battery precautions......................... 491
Seat belt extender precautions ............................................. 28
Seat belt precautions ............. 47
Trunk precautions................. 122
Child-protectors ..................... 121
Cleaning Exterior ................................. 452
Interior .................................. 454
Radar sensor........................ 197
Seat belts ............................. 454
Wheels and wheel ornaments........................................... 452
Clock ............... 91, 93, 95, 98, 322
Coat hooks .............................. 443
Command list ......................... 367
Condenser .............................. 471
Console box ............................ 432
Consumption screen.............. 106
Continuously variable transmis- sion ................................ 169, 172If the shift lever cannot be shifted from P......................... 171, 173
M mode ................................ 175
Paddle shift switches.... 174, 175 Cooling system .......................470
Engine overheating ..............550
Cruise control Dynamic radar cruise control 240
Dynamic radar cruise control with full-speed range ..........229
Cup holders.............................431
Current fuel consumption......102
Curtain shield airbags ..............31
Customizable featu res ...........581
D
Daytime running light system186
DCM .................................406, 407
Defogger
Outside rear view mirrors ...418, 422
Rear window.................418, 422
Windshield ....................417, 422
Dimensions .............................556
Dinghy towing .........................162
Display Dynamic radar cruise control 240
Dynamic radar cruise control with full-speed range ..........229
LDA (Lane Departure Alert with steering control)..................226
LTA (Lane Tracing Assist) .....217
Multi-information display.......100
RCTA ....................................258
Warning message.................521
Display change button .......92, 97
Do-it-yourself maintenance ...458
Door lock Doors .................................... 117
Key ....................................... 118
Smart key system .................125
Wireless remote control........ 112
Doors Automatic door locking and unlocking system ................121
Door glasses ........................142

610Alphabetical Index
COROLLA_UDoor lock .............................. 117
Open door warning buzzer . 119,
121
Outside rear view mirrors ..... 140
Rear door child-protectors.... 121
Side doors ............................ 117
Drive distance ......................... 104
Drive information ................... 104
Drive-start control .................. 152
Driving Break-in tips ......................... 152
Correct driving posture ........... 25
Driving mode select switch... 271
Procedures ........................... 150
Winter drive tips ................... 277
Driving information display ... 101
Driving range .......................... 102
Driving support system informa- tion display ........................... 103
Dynamic radar cruise control 240 Warning message ................ 248
Dynamic radar cruise control with full-speed range ........... 229Warning message ................ 238
E
Eco Driving Indicator ............. 102
Eco Driving Indicator Light ... 102
EDR (Event data recorder)......... 9
Elapsed time ........................... 104
Electric Power Steering (EPS) ............................................... 272Warning light ........................ 514
Electronic key ......................... 110 Battery-saving function......... 126
If the electronic key does not operate properly ................. 544
Replacing the battery ........... 489
Emergency flashers ............... 502
Emergency tire puncture repair kit ........................................... 523 Emergency, in case of
If a warning buzzer sounds .. 511
If a warning light turns on ..... 511
If a warning message is dis-played .................................521
If the battery is d ischarged ...546
If the electronic key does not operate properly .................544
If the engine will not start......542
If the vehicle is trapped in rising water...................................504
If you have a flat tire .....523, 534
If you lose your keys.............544
If you think something is wrong ...........................................509
If your vehicle becomes stuck ...........................................553
If your vehicle has to be stopped in an emergency .................502
If your vehicle needs to be towed ...........................................505
If your vehicle ove rheats ......550
Engine ACCESSORY mode . ............167
Compartment........................466
Engine switch ...............163, 164
Fuel pump shut off system ...510
Hood .....................................464
How to start the engine 163, 164
Identification number ............557
If the engine will not start......542
If your vehicle has to be stopped in an emergency .................502
Ignition switch (engine switch) ...................................163, 164
Overheating ..........................550
Tachometer.......................91, 95
Engine coolant Capacity ...............................561
Checking ..............................470
Preparing and checking before winter ..................................277

613Alphabetical Index
COROLLA_UPower windows .................... 142
K
Keyless entry
Smart key system................. 125
Wireless remote control ....... 112
Keys Battery-saving function......... 126
Electronic key ....................... 110
Engine switch ............... 163, 164
If the electronic key does not operate properly ................. 544
If you lose your keys ............ 544
Key number plate ................. 110
Keyless entry................ 117, 125
Mechanical key .................... 110
Replacing the battery ........... 489
Warning buzzer .................... 126
Wireless remote control ....... 112
Knee airbags ............................. 31
L
Lane Departure A lert with steer-
ing control (LDA) Operation ............................. 221
Warning messages............... 228
Lane Tracing Assist (LTA) Operation ............................. 211
Warning messages............... 220
Language (multi-information dis- play) ....................................... 104
LATCH anchors ........................ 64
LDA (Lane Departure Alert with steering control)Operation ............................. 221
Warning messages............... 228
LDA (Lane Departure Alert with steering control) switch....... 225
LED accent lights Light switch .......................... 186
Replacing light bulbs ............ 496 Lever
Auxiliary catch lever .............464
Hood lock release lever ........464
Internal trunk rele ase lever ...125
Shift lever .............169, 172, 176
Turn signal lever ...................179
Wiper lever ...........................192
License plate lights Light switch...........................186
Replacing light bulbs ............496
Wattage ................................566
Light bulbs Replacing .............................495
Lights Automatic High Beam system...........................................189
Front interior lights................428
Headlight switch ...................186
Interior lights .........................428
Interior lights list ...................428
Personal lights ......................429
Rear interior lights ................428
Replacing light bulbs ............496
Trunk light .............................124
Turn signal lever ...................179
Vanity lights ..........................442
Wattage ................................566
Linking multi-information display and the system .....................297
Lock steering column ....163, 165
LTA (Lane Tracing Assist) Operation.............................. 211
Warning messages ...............220
M
MaintenanceDo-it-yourself maintenance ..462
General maintenance ...........458
Maintenance data .................556
Maintenance requirements ...457
Malfunction indicator lamp ....512

615Alphabetical Index
COROLLA_UOutside temperature .......... 91, 95
Overheating ............................ 550
P
Paddle shift switches ..... 174, 175
Panic mode ............................. 113
Parking brake
Operation ..................... 180, 181
Parking brake engaged warning buzzer ........................ 180, 183
Warning light ........................ 517
Warning message ........ 180, 183
Parking lights Light switch .......................... 186
Replacing light bulbs ............ 496
Wattage ................................ 566
PCS (Pre-Collision System) Function ............................... 203
Warning light ........................ 516
Personal lights ....................... 428 Wattage ................................ 566
Phone ...................................... 373 About the contacts in the contact list ....................................... 377
Phone screen operation ....... 373
Registering/Conn ecting a Blue-
tooth
® phone ...................... 375
Some basics......................... 374
Troubleshooting.................... 398
Voice command system ....... 377
When selling or disposing of the vehicle ................................ 377
Phone button .......................... 373
Phone button (Menu screen) . 285
Phone button (Setup screen) 288
Phone settings ....................... 388 Contacts/Call history settings390
Message settings ................. 396
Notifications settings ............ 389
Sounds settings.................... 388 Placing a call using the Blue-
tooth
® hands-free system....378
By call history .......................378
By contacts list .....................379
By favorites list .....................378
By home screen ...................380
By keypad.............................380
Power outlet ............................435
Power steering (Electric power steering system) ...................272Warning light.........................514
POWER VOLUME knob ..........329
Power windows Door lock linked window opera-tion......................................143
Jam protection function ........142
Operation..............................142
Window lock switch ..............144
Pre-Collision System (PCS) Function................................203
Warning light.........................516
R
Radar cruise control...............240
Radar cruise control (dynamic radar cruise control with
full-speed range)...................229
Radiator ...................................471
Radio........................................333 Displaying the radi o ID .........336
How to subscribe to SiriusXM Radio Services ...................335
Presetting a station ...............333
Radio broadcast data system334
Refer to the tabl e below to iden-
tify the problem and take the
suggested corrective action 336
RCTA Function................................258
Warning message.................259
RCTA function .........................260

616Alphabetical Index
COROLLA_URear Cross Traffic Alert (RCTA)
............................................... 258
Rear seats ............................... 134 Head restraints ..................... 136
Rear side marker lights Light switch .......................... 186
Replacing light bulbs .... 496, 497
Wattage ................................ 566
Rear turn signal lights Replacing light bulbs .... 497, 498
Turn signal lever ................... 179
Wattage ................................ 566
Rear view mirror Inside rear view mirror.......... 139
Outside rear view mirrors ..... 140
Rear view monitor system ..... 263 If you notice any symptoms.. 268
Rear window defogger ... 418, 422
Receiving a call using the Blue- tooth
® hands-free system ... 381
Refueling Capacity ............................... 558
Fuel types............................. 558
Opening the fuel tank cap .... 194
Registering/Connecting a Blue- tooth
® device ........................ 298
Profiles ................................. 301
Registering a Bluetooth
® audio
player for the first time........ 301
Registering a Bluetooth
® phone
for the first time .................. 298
Replacing Electronic key battery ........... 489
Fuses ................................... 492
Light bulbs ............................ 495
Tires ..................................... 534
Wireless remote control battery........................................... 489
Reporting safety defects for U.S. owners................................... 592
Resetting the message indicat- ing maintenance is required 458 Road Sign Assist ....................250
RSA (Road Sign Assist) .........250
S
Safety Connect .........................73
Screen adjustment .
................296
Seat belt reminder light..514, 515
Seat belts...................................27 Adjusting the seat belt ............29
Automatic Locking Retractor ..29
Child restraint sys tem installation
.............................................50
Cleaning and maintaining the seat belt ..............................454
Emergency Locking Retractor 29
How to wear your seat belt .....28
How your child should wear the seat belt ................................28
Pregnant women, proper seat belt use .................................27
Reminder light and buzzer .514, 515
Seat belt extender ..................28
Seat belt pretensioners ..........30
SRS warning light .................512
Seat heaters ............................426
Seating capacity .............161, 556
Seats Adjustment ...........................133
Adjustment precautions ........133
Child seats/child restraint system installation ............................48
Cleaning ...............................454
Head restraints .....................136
Properly sitting in the seat ......25
Seat heaters ....... ..................426
Secondary Collision Brake ....272
Sensor Automatic headlight system .187
Automatic High Beam system...........................................189
BSM (Blind Spot M onitor) .....253

617Alphabetical Index
COROLLA_UInside rear view mirror.......... 140
LDA (Lane Departure Alert with
steering control) ................. 221
LTA (Lane Tracing Assist) ..... 211
Radar sensor................ 196, 255
RCTA .................................... 259
Service Connect ..................... 407
Service reminder message .... 458
Setup button (Menu screen) 285, 288
Setup screen ........................... 288
Shift lever Continuously variable transmis-sion............................. 169, 172
If the shift lever cannot be shifted from P......................... 171, 173
Manual transmission ............ 176
Shift lock system............ 171, 173
Side airbags .............................. 31
Side marker lights Light switch .......................... 186
Replacing light bulbs ............ 497
Wattage ................................ 566
Side mirrors Adjustment ........................... 140
BSM (Blind Spot Monitor)..... 253
Folding ................................. 141
RCTA function ...................... 258
Side turn signal lights Replacing light bulbs ............ 496
Turn signal lever ................... 179
Side windows ...... ................... 142
SiriusXM (SXM) ....................... 333
Smart key system Antenna location .................. 125
Entry functions ..................... 117
Starting the engine ............... 164
Snow tires ............................... 277
Spare tire ................................. 534 Inflation pressure.................. 564
Storage location ................... 535
Spark plug ............................... 561 Specifications .........................556
Speedometer .......................91, 95
Status icon ..............................286
Status icon explanation ........286
Steering lock Column lock release .....163, 165
Steering lock system warning message .............................165
Steering switch ...............349, 364 Audio switch .........................349
Talk switch ............................364
Steering wheel Adjustment ...........................138
Heated steering wheel..........426
Meter control switches..........101
Stop lights Replacing light bulbs ............496
Storage features ... ..................430
Stuck If the vehicle becomes stuck 553
Sun visors ...............................442
Sunshade Roof ......................................145
Switches Automatic High Beam system...........................................189
Brake Hold switch .................184
Display change button ......92, 97
Door lock switches ...............120
Driving mode select switch ...271
Dynamic radar cruise control switch .................................240
Dynamic radar cruise control with full-speed range switch230
Emergency flashers switch...502
Engine switch ...............163, 164
Garage door opener switches ...........................................444
Heated steering wheel switch ...........................................426
Ignition switch ...............163, 164