2020 TOYOTA TUNDRA brake light

594What 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. 484)
●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. 483, 491)
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

596Alphabetical index
Alphabetical index
A/C .................................... 340, 347Air conditioning filter ............. 446
Automatic air conditioning system ......... ....................... 347
Manual air conditioning system ......... ....................... 340
ABS (Anti-lock Brake
System) .................................. 320 Function ................................ 320
Warning light ......................... 484
Air conditioning filter .............. 446
Air conditioning system ............................ 340, 347
Air conditioning filter ............. 446
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 .............. 483
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 ............ 483, 491
Anchor brackets ........................ 63
Antennas
(smart key system) ............... 138
Anti-lock Brake System
(ABS) ...................................... 320 Function ................................ 320
Warning light......................... 484
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
Back window
Back window......................... 175
Power back window .............. 176
Back-up lights Replacing light bulbs ............ 466
Wattage ................................ 548
Battery ...................................... 422 If the vehicle battery is discharged.......................... 523
Preparing and checking before winter ...................... 331
Warning light......................... 483
A
B

597Alphabetical index
Blind Spot Monitor (BSM) ....... 305
Bluetooth®*
Bottle holders .......................... 372
BrakeFluid ...................................... 420
Parking brake........................ 233
Warning buzzer..................... 483
Warning light ......................... 483
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 ................ 586
Card holder .............................. 364
Care................................... 400, 403 Aluminum wheels.................. 401
Exterior ................................. 400
Interior................................... 403
Seat belts .............................. 404
Cargo capacity ......................... 195
Cargo lamp Light switch ........................... 359
Replacing light bulbs............. 468
Wattage ................................ 548
CD player
*
Certification label ............ 200, 539
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
Child safety ................................ 58
Airbag precautions.................. 44
Battery precautions............... 525
Child restraint system ............. 59
How your child should wear the seat belt ................. 36
Installing child restraints ......... 63
Moon roof precautions .......... 182
Power back window precautions......................... 178
Power window lock switch .... 172
Power window precautions ... 174
Rear door child-protector ...... 131
Removed wireless remote control battery
precautions......................... 451
Seat belt extender precautions........................... 39
Seat belt precautions .............. 62
Seat heater precautions ....... 355
Child-protectors ...................... 131
Cleaning ........................... 400, 403 Aluminum wheels ................. 401
Exterior ................................. 400
Interior .................................. 403
Seat belts.............................. 404
Clock
*
Compass .................................. 394
C
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER
’S MANUAL”.

599Alphabetical index
If the warning message is displayed......................... 491
If you have a flat tire ............. 504
If you lose your keys ............. 123
If you think something
is wrong .............................. 481
If your vehicle becomes
stuck ................................... 530
If your vehicle has to be stopped in an emergency ... 473
If your vehicle needs to be towed ......................... 476
If your vehicle overheats ....... 527
Emergency flashers ................ 472
Engine “ACC” position ...................... 217
Compartment ........................ 415
Engine switch........................ 217
Hood ..................................... 414
How to start the engine ......... 217
Identification number ............ 539
If the engine will not start ...... 519
Ignition switch
(engine switch) ................... 217
Immobilizer system ................. 85
Overheating .......................... 527
Engine coolant ......................... 418 Capacity ................................ 543
Checking ............................... 418
Preparing and checking before winter....................... 331
Engine coolant temperature gauge...................................... 105
Engine immobilizer system ...... 85
Engine oil ................................. 416
Capacity ................................ 541
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 ..................................... 504
Floor mats .................................. 30
Fluid
Automatic transmission ........ 544
Brake .................................... 545
Washer ................................. 425
Fog lights ................................. 244 Replacing light bulbs ............ 464
Switch ................................... 244
Wattage ................................ 548
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 ............ 462
Wattage ................................ 548
Front turn signal lights Replacing light bulbs ............ 461
Turn signal lever ................... 232
Wattage ................................ 548
F

602Alphabetical index
Map holder ............................... 366
Master warning light........ 484, 491
MeterIndicators .............................. 102
Instrument panel light control................................. 107
Meters ................................... 105
Multi-information display ....... 110
Warning lights ....................... 101
Mirrors
Inside rear view mirror .......... 164
Outside rear view mirror defoggers ......... 342, 349
Outside rear view mirrors...... 167
Vanity mirrors........................ 378
Moon roof ................................. 179
Door lock linked moon roof operation ........... 180
Jam protection function......... 179
Operation .............................. 179
MP3 disc
*
Multi-information display ........ 110 Customizing vehicle features .............................. 562
Drive information................... 111
Dynamic radar
cruise control ...................... 280
LDA
(Lane Departure Alert)........ 272
Settings ................................. 114
Trip information ..................... 110
Warning message ................. 491
Noise from under vehicle............ 8
Odometer.......................... 105, 107
Off-road precaution s ............... 335
Oil
Engine oil .............................. 541
Differential oil ........................ 544
Transfer oil ............................ 545 Opener
Hood ..................................... 414
Outer foot lights
Location ................................ 357
Replacing light bulbs ............ 468
Wattage ................................ 548
Outside rear view mirrors ....... 167
Adjusting and folding ............ 167
Blind spot monitor ................. 305
Mirror position memory ......... 152
Outside rear view mirror defoggers ......... 342, 349
Outside temperature
display.................................... 105
Overhead console ................... 369
Overheating ............................. 527
Parking assist sensors (intuitive parking assist)....... 298
Parking brake........................... 233 Operation .............................. 233
Parking brake engaged
warning buzzer ................... 483
Parking brake engaged
warning message ............... 493
Parking lights........................... 234 Light switch ........................... 234
Replacing light bulbs .... 461, 468
Wattage ................................ 548
PCS
(Pre-Collision System).......... 259 Pre-collision brake assist ...... 260
Pre-collision braking ............. 260
PCS warning......................... 260
Warning light......................... 486
Warning message................. 491
Pen holder ................................ 367
Personal lights......................... 358 Light switch ........................... 357
Wattage ................................ 548
Power back window ................ 176
Power easy access system .... 152
N
O
P

606Alphabetical index
Tire pressure warning system .................................... 427 Initializing .............................. 428
Installing tire pressure
warning valves and
transmitters......................... 427
Registering ID codes ............ 429
Tire pressure warning reset
switch ................................. 428
Warning light ......................... 485
Tires .......................................... 426 Chains................................... 332
Checking ............................... 426
If you have a flat tire ............. 504
Inflation pressure .................. 546
Information ............................ 552
Replacing .............................. 504
Rotating tires......................... 426
Size ....................................... 546
Snow tires ............................. 333
Spare tire .............................. 505
Tire pressure warning system ......... ....................... 427
Warning light ......................... 485
Tissue pocket........................... 368
Tools ......................................... 505
Top tether strap ................... 70, 73
Total load capacity .......... 195, 536
TOW/HAUL switch ... ................ 228
Towing Bumper towing ...................... 207
Dinghy towing ....................... 216
Emergency towing ................ 478
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) ....... 259
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................... 461, 466, 468
Turn signal lever ................... 232
Wattage ................................ 548
USB charging ports................. 382
USB port
*
Vanity lights Vanity lights .......................... 378
Wattage ................................ 548
Vanity mirrors .......................... 378
Vehicle data recording ................ 9
Vehicle identification number ................................... 539
Vehicle Stability Control
(VSC) ...................................... 320
Ventilators (seat ventilators) ................... 354
Voice command system
*
VSC (Vehicle Stability Control) .... 320
U
V

607Alphabetical index
Warning buzzersBrake system ....... ......... 483, 493
Downshifting ......................... 231
Intuitive parking assist .......... 299
Key reminder ........................ 218
Light reminder ....................... 238
Open door ............................. 492
Open moon roof .................... 181
PCS (Pre-Collision System)........ 486
Seat belt reminder ................ 484
Warning lights.......................... 101 ABS....................................... 484
Brake system ....... ................. 483
Charging system ................... 483
LDA (Lane Departure Alert)........ 486
Low fuel level ........................ 484
Malfunction indicator lamp .... 483
Master warning light.............. 484
Parking brake warning light ....................... 484
PCS (Pre-Collision System)........ 486
Seat belt reminder light ........ 484
Slip indicator ......................... 485
SRS ...................................... 483
Tire pressure......................... 485
Warning messages .................. 491
Washer...................................... 245 Checking ............................... 425
Low windshield washer fluid
warning message ............... 493
Preparing and checking
before winter....................... 331
Switch ................................... 245
Washing and waxing ............... 400 Weight
Cargo capacity...................... 195
Cargo weight rating .............. 588
Gross axle weight rating ....... 590
Gross combination weight rating ....................... 201
Gross vehicle weight
rating .................................. 590
Load limits ............................ 195
Towing capacity ............ 195, 201
Trailer Weight Rating ......................... 195, 201
TWR ............................. 195, 201
Vehicle capacity
weight ......................... 195, 536
Wheels
Replacing wheels ................. 444
Size....................................... 546
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............ 449
WMA disc
*
W
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER
’S MANUAL”.