2021 TOYOTA TUNDRA brake light

596What to do if... (Troubleshooting)
●Vehicles without a smart key system:
It is locked to prevent theft of the vehicle if the key is removed from the
engine switch. ( P. 218)
●Vehicles with a smart key system:
It is locked automatically to prevent theft of the vehicle. ( P. 222)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 172)
●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. 221)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 486)
●The parking brake indicator is on
Is the parking brake released? ( P. 233)
Depending on the situation, other types of warning buzzer may also sound.
( P. 485, 493)
The steering wheel cannot be turned after the engine is
stopped
The windows do not open or close by operating the power
window switches
The engine switch is tur ned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving

598Alphabetical index
Alphabetical index
A/C .................................... 340, 347Air conditioning filter ............. 448
Automatic air conditioning system ......... ....................... 347
Manual air conditioning system ......... ....................... 340
ABS (Anti-lock Brake
System) .................................. 320 Function ................................ 320
Warning light ......................... 486
Air conditioning filter .............. 448
Air conditioning system ............................ 340, 347
Air conditioning filter ............. 448
Automatic air conditioning system ......... ....................... 347
Manual air conditioning system ......... ....................... 340
Airbags ....................................... 40
Airbag operating conditions .... 49
Airbag precautions for your child ......................... 44
Airbag warning light .............. 485
Correct driving posture ........... 32
Curtain shield airbag operating conditions ............. 49
Curtain shield airbag precautions ........................... 45
Front passenger occupant classification syst em............. 53
General airbag precautions .... 44
Locations of airbags................ 40 Modification and disposal
of airbags ............................. 47
Side airbag operating
conditions ............................. 49
Side airbag precautions .......... 45
Side and curtain shield airbags operating
conditions ............................. 49
Side and curtain shield airbags precautions .............. 45
SRS airbags ........................... 40
Alarm Alarm ...................................... 95
Warning buzzer ............ 485, 493
Anchor brackets ........................ 63
Antennas (smart key system) ............... 138
Anti-lock Brake System (ABS) ...................................... 320
Function ................................ 320
Warning light......................... 486
Armrest..................................... 383
Assist grips .............................. 384
Audio input
*
Audio remote control switches*
AUX port*
AUTO LSD system................... 318
Automatic High Beam ............. 239
Automatic light control
system.................................... 234
Automatic transmission
Automatic transmission ........ 225
If the shift lever cannot be shifted from P ..................... 229
TOW/HAUL switch................ 228
AUX port
*
Auxiliary boxes ........................ 373
A

599Alphabetical index
Back windowBack window ......................... 175
Power back window .............. 176
Back-up lights
Replacing light bulbs............. 468
Wattage ................................ 550
Battery ...................................... 422
If the vehicle battery is discharged .......................... 525
Preparing and checking
before winter....................... 331
Warning light ......................... 485
Blind Spot Monitor (BSM) ....... 305
Bluetooth
®*
Bottle holders .......................... 372
Brake
Fluid ...................................... 420
Parking brake........................ 233
Warning buzzer..................... 485
Warning light ......................... 485
Brake assist ............................. 320
Brake Override System ........... 185
Break-in tips ............................. 186
Brightness control Instrument panel light
control................................. 107
BSM (Blind Spot Monitor) ....... 305 Blind Spot Monitor
function ............................... 309
Rear Cross Traffic Alert function ............................... 312 Camper information ................ 588
Card holder .............................. 364
Care .................................. 400, 403
Aluminum wheels ................. 400
Exterior ................................. 400
Interior .................................. 403
Seat belts.............................. 404
Cargo capacity......................... 195
Cargo lamp Light switch ........................... 359
Replacing light bulbs ............ 470
Wattage ................................ 550
CD player
*
Certification label ............ 200, 541
Chains ...................................... 332
Child restraint system............... 59
Booster seats, definition ......... 60
Booster seats, installation....... 69
Convertible seats, definition ... 60
Convertible seats, installation ............................ 68
Front passenger occupant
classification syst em ............ 53
Infant seats, definition............. 60
Infant seats, installation .......... 67
Installing CRS with LATCH anchors ............ 65
Installing CRS with seat
belts...................................... 67
Installing CRS with top tether strap........ 70, 73
BC
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER
’S MANUAL”.

602Alphabetical index
Engine coolant ......................... 418Capacity ................................ 545
Checking ............................... 418
Preparing and checking before winter....................... 331
Engine coolant temperature gauge...................................... 105
Engine immobilizer system ...... 85
Engine oil ................................. 416 Capacity ................................ 543
Checking ............................... 416
Preparing and checking before winter....................... 331
Engine oil maintenance data ......................................... 407
Engine switch
(ignition switch)..................... 217
Engine switch light (ignition switch light) ............ 357
Event data recorder (EDR) ........ 11 Flat tire ..................................... 506
Floor mats .................................. 30
Fluid
Automatic transmission ........ 546
Brake .................................... 547
Washer ................................. 425
Fog lights ................................. 244
Replacing light bulbs ............ 466
Switch ................................... 244
Wattage ................................ 550
Foot well light .......................... 357
Four-wheel drive system ........ 315
Front passenger occupant classification system .............. 53
Front personal lights............... 358
Front seats ............................... 147 Adjustment............................ 147
Cleaning ............................... 403
Correct driving posture ........... 32
Driving position memory ....... 152
Head restraints ..................... 157
Power easy access system .......... ...................... 152
Seat heaters ......................... 354
Seat position memory ........... 152
Seat ventilators ..................... 354
Front side marker lights Light switch ........................... 234
Replacing light bulbs ............ 464
Wattage ................................ 550
Front turn signal lights
Replacing light bulbs ............ 463
Turn signal lever ................... 232
Wattage ................................ 550
Fuel ........................................... 542 Capacity................................ 542
Fuel gauge............................ 105
Fuel pump shut off system ... 484
Gas station information......... 612
Information............................ 551
Refueling .............................. 248
Type.............................. 248, 542F

606Alphabetical index
Parking assist sensors (intuitive parking assist) ....... 298
Parking brake ........................... 233 Operation .............................. 233
Parking brake engaged
warning buzzer ................... 485
Parking brake engaged
warning message ............... 495
Parking lights ........................... 234 Light switch ........................... 234
Replacing light bulbs..... 463, 470
Wattage ................................ 550
PCS
(Pre-Collision System) .......... 260 Pre-collision brake assist ...... 261
Pre-collision braking ............. 261
PCS warning ......................... 261
Warning light ......................... 488
Warning message ................. 493
Pen holder ................................ 367
Personal lights ......................... 358 Light switch ........................... 357
Wattage ................................ 550
Power back window ................ 176
Power easy access system .... 152
Power outlets ........................... 379
Power steering fluid ................ 421
Power windows........................ 172 Jam protection function......... 173
Operation .............................. 172
Window lock switch............... 172
Pre-Collision System (PCS) ...................................... 260 Radar cruise control
(dynamic radar
cruise control) ....................... 280
Radiator .................................... 420
Radio
*
Rear personal lights ................ 358
Rear seat
Adjustment precautions ........ 151
Child seats/child restraint system installation . ............... 63
Cleaning ............................... 403
Head restraints ..................... 157
Raising the bottom cushion ............................... 150
Rear side marker lights........... 234 Light switch ........................... 234
Replacing light bulbs ............ 468
Wattage ................................ 550
Rear step bumper .................... 137
Rear turn signal lights ............ 232
Replacing light bulbs ............ 468
Turn signal lever ................... 232
Wattage ................................ 550
Rear view mirror Inside rear view mirror .......... 164
Outside rear view mirrors ..... 167
Rear view monitor system
*
Refueling .................................. 248 Capacity................................ 542
Fuel types ............................. 542
Opening the fuel tank cap..... 250
Replacing Fuses .................................... 454
Light bulbs ............................ 457
Tires...................................... 506
Wireless remote control battery ................................ 451
Reporting safety defects for U.S. owners...................... 576
Resetting the message
indicating maintenance
is required.............................. 407
PR

610Alphabetical index
Tires .......................................... 426Chains................................... 332
Checking ............................... 426
If you have a flat tire ............. 506
Inflation pressure .................. 548
Information ............................ 554
Replacing .............................. 506
Rotating tires......................... 426
Size ....................................... 548
Snow tires ............................. 333
Spare tire .............................. 507
Tire pressure warning system ......... ....................... 427
Warning light ......................... 487
Tissue pocket........................... 368
Tools ......................................... 507
Top tether strap ................... 70, 73
Total load capacity .......... 195, 538
TOW/HAUL switch ... ................ 228
Towing Bumper towing ...................... 207
Dinghy towing ....................... 216
Emergency towing ................ 481
Fifth wheel trailer .................. 206
Trailer brake controller .......... 327
Trailer towing ........................ 197
TRAC (Traction Control) ......... 320
Toyota Safety Sense P ............ 252 Automatic High Beam ........... 239
Dynamic radar cruisecontrol................................. 280
LDA (Lane Departure Alert)........ 272
PCS
(Pre-Collision System)........ 260
Trailer brake controller ........... 327
Transmission ........................... 225 Automatic transmission......... 225
If the shift lever cannot be shifted from P ..................... 229
S mode ................................. 227 Trip meters ....................... 105, 107
Turn signal lights .................... 232
Replacing light
bulbs................... 463, 468, 470
Turn signal lever ................... 232
Wattage ................................ 550
USB charging ports................. 382
USB port
*
Vanity lights Vanity lights .......................... 378
Wattage ................................ 550
Vanity mirrors .......................... 378
Vehicle data recording ................ 9
Vehicle identification number ................................... 541
Vehicle Stability Control (VSC) ...................................... 320
Ventilators
(seat ventilators) ................... 354
Voice command system
*
VSC (Vehicle Stability Control) .... 320
U
V

611Alphabetical index
Warning buzzersBrake system ....... ......... 485, 495
Downshifting ......................... 231
Intuitive parking assist .......... 299
Key reminder ........................ 218
Light reminder ....................... 238
Open door ............................. 494
Open moon roof .................... 181
PCS (Pre-Collision System)........ 488
Seat belt reminder ................ 486
Warning lights.......................... 101 ABS....................................... 486
Brake system ....... ................. 485
Charging system ................... 485
LDA (Lane Departure Alert)........ 488
Low fuel level ........................ 486
Malfunction indicator lamp .... 485
Master warning light.............. 486
Parking brake warning light ....................... 486
PCS (Pre-Collision System)........ 488
Seat belt reminder light ........ 486
Slip indicator ......................... 487
SRS ...................................... 485
Tire pressure......................... 487
Warning messages .................. 493
Washer...................................... 245 Checking ............................... 425
Low windshield washer fluid
warning message ............... 495
Preparing and checking
before winter....................... 331
Switch ................................... 245 Washing and waxing ............... 400
Weight
Cargo capacity...................... 195
Cargo weight rating .............. 590
Gross axle weight rating ....... 592
Gross combination weight rating ....................... 201
Gross vehicle weight rating .................................. 592
Load limits ............................ 195
Towing capacity ............ 195, 201
Trailer Weight Rating ......................... 195, 201
TWR ............................. 195, 201
Vehicle capacity weight ......................... 195, 538
Wheels Replacing wheels ................. 446
Size....................................... 548
Window glasses ...................... 172
Window lock switch ................ 172
Windows................................... 172 Back window......................... 175
Back window defogger ..................... 342, 349
Power back window .............. 176
Power windows..................... 172
Windshield wiper
de-icer ............................ 343, 350
Windshield wipers ................... 245
Winter driving tips ................... 331
Wireless remote control key Locking/Unlocking ................ 128
Replacing the battery............ 451
WMA disc
*
W
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER
’S MANUAL”.