2023 TOYOTA TUNDRA brake

597What to do if... (Troubleshooting)
●Vehicles with an automatic transmission:
Is the shift lever in P? (P. 202)
●Vehicles with a manual transmission:
Do you turn the key with the clutch pedal depressed firmly? ( P. 202)
●Is the battery discharged? (P. 530)
●Did you press the engine switch while firmly depressing the bra ke pedal?
( P. 205)
●Is the shift lever in P? ( P. 208)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 132)
●Is the steering wheel unlocked? (P. 208)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( P. 528)
●Is the battery discharged? (P. 530)
●Vehicles without a smart key system:
Is the engine switch in the “ON” position?
If you cannot release the shift lever by depressing the brake p edal with the
engine switch in the “ON” position. ( P. 214)
●Vehicles with a smart key system:
Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake p edal with the
engine switch in IGNITION ON mode. ( P. 214)
If you think something is wrong
The engine does not start
(vehicles without a smart key system)
The engine does not start
(vehicles with a smart key system)
The shift lever cannot be shifted from P even if you depress
the brake pedal (vehicles with an automatic transmission)

598What 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. 203)
●Vehicles with a smart key system:
It is locked automatically to prevent theft of the vehicle. ( P. 208)
●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. 156)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a peri od of
time. ( P. 207)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 483)
●The parking brake indicator is on
Is the parking brake released? ( P. 219)
Depending on the situation, other types of warning buzzer may also sound.
( P. 483, 496)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. ( P. 489)
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 turned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving
A warning buzzer sounds w hen leaving the vehicle
(vehicles with a smart key system)

600Alphabetical index
Alphabetical index
A/C .................................... 338, 344Air conditioning filter ............. 448
Automatic air conditioning system ......... ....................... 344
Manual air conditioning system ......... ....................... 338
ABS
(Anti-lock Brake System)...... 323
Function ................................ 323
Warning light ......................... 482
Warning message ................. 491
Active head restraints ............. 140
Active traction control ............ 312
Air conditioning filter .............. 448
Air conditioning system ............................ 338, 344
Air conditioning filter ............. 448
Automatic air conditioning system ......... ....................... 344
Manual air conditioning system ......... ....................... 338
Airbags ....................................... 36
Airbag operating conditions .... 43
Airbag precautions for your child ......................... 39
Airbag warning light .............. 482
Correct driving posture ........... 28
Curtain shield airbag operating conditions ............. 44
Curtain shield airbag precautions ........................... 40
Front passenger occupant classification syst em............. 48
General airbag precautions .... 39
Locations of airbags................ 36
Modification and disposal of airbags.............................. 42
Side airbag operating conditions ............................. 44
Side airbag precautions .......... 40 Side and curtain shield
airbags operating
conditions ............................. 44
Side and curtain shield airbags precautions .............. 40
SRS airbags ........................... 36
Alarm
Alarm ...................................... 88
Warning buzzer ............ 482, 489
Anchor brackets ........................ 58
Antennas
(smart key system) ............... 131
Anti-lock Brake System
(ABS) ...................................... 323 Function ................................ 323
Warning light......................... 482
Warning message................. 491
Assist grips .............................. 388
Audio remote control switches
*
Audio system*
AUTO LSD system................... 307
Automatic High Beam ............. 224
Automatic light control system.................................... 220
Automatic transmission Automatic transmission ........ 211
If the shift lever cannot be shifted from P ..................... 214
S mode ................................. 213
Power mode switch .............. 212
Auxiliary boxes ........................ 365
A

601Alphabetical index
Back windowBack window ......................... 159
Power back window .............. 160
Back-up lights
Replacing light bulbs............. 466
Wattage ................................ 553
Battery ...................................... 428
If the vehicle battery is discharged .......................... 530
Preparing and checking
before winter....................... 329
Warning message ................. 490
Blind Spot Monitor (BSM) ....... 292
Bluetooth
®*
Bottle holders .......................... 360
Brake
Fluid ...................................... 425
Parking brake........................ 219
Warning buzzer..................... 482
Warning light ......................... 482
Warning message ................. 489
Brake assist ............................. 323
Brake Override System ........... 170
Break-in tips ............................. 171
Brightness control
Instrument panel light control................................... 99
BSM (Blind Spot Monitor) ....... 292
Blind Spot Monitor function ............................... 294
Rear Cross Traffic Alert
function ............................... 297 Camper information ................ 590
Care .................................. 402, 406
Aluminum wheels ................. 403
Exterior ................................. 402
Interior .................................. 406
Seat belts.............................. 407
Cargo capacity......................... 182
Cargo lamp
Light switch ........................... 355
Replacing light bulbs ............ 469
Certification label .................... 543
Chains ...................................... 330
Child restraint system............... 54 Booster seats, definition ......... 55
Booster seats, installation....... 65
Convertible seats, definition ... 55
Convertible seats, installation ...................... 63, 64
Front passenger occupant
classification syst em ............ 48
Infant seats, definition............. 55
Infant seats, installation .......... 63
Installing CRS with LATCH anchors ...... 61, 62
Installing CRS with
seat belts .............................. 63
Installing CRS with top tether strap ............... 66, 68
BC
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”

604Alphabetical index
Emergency flashers ................ 472
EngineCompartment ........................ 419
Engine switch................ 202, 205
Hood ..................................... 417
How to start the engine......................... 202, 205
Identification number ............ 543
If the engine will not start ...... 526
Ignition switch (engine switch) ........... 202, 205
Immobilizer system ................. 78
Overheating .......................... 534
Engine coolant ......................... 423 Capacity ................................ 547
Checking ............................... 423
Preparing and checking before winter....................... 329
Engine coolant temperature
gauge........................................ 98
Engine immobilizer system ...... 78
Engine oil ................................. 421 Capacity ................................ 545
Checking ............................... 421
Oil level warning message .... 492
Oil pressure warning message ............................. 490
Preparing and checking
before winter....................... 329
Engine switch (ignition switch)............. 202, 205
Engine switch light (ignition switch light) ............ 353
Event data recorder (EDR) ........ 11 Flat tire ..................................... 511
Floor mats .................................. 26
Fluid
Automatic transmission ........ 549
Brake .................................... 550
Power steering...................... 550
Washer ................................. 430
Fog lights ................................. 229 Replacing light bulbs ............ 464
Switch ................................... 229
Wattage ................................ 553
Four-wheel drive system ........ 303
Front passenger occupant classification system .............. 48
Front personal lights............... 354
Front seats ............................... 139 Adjustment............................ 139
Cleaning ............................... 406
Correct driving posture ........... 28
Head restraints ..................... 145
Seat heaters ......................... 351
Front side marker lights
Light switch ........................... 220
Replacing light bulbs ............ 462
Wattage ................................ 553
Front turn signal lights Replacing light bulbs ............ 463
Turn signal lever ................... 218
Wattage ................................ 553F

608Alphabetical index
Navigation system*
Noise from under vehicle............ 8
Odometer.................................... 98
Off-road precautions ............... 333
Oil
Engine oil .............................. 545
Differential oil ........................ 548
Manual transmission oil ........ 549
Transfer oil ............................ 550
Opener Hood ..................................... 417
Outside rear view mirrors ....... 154 Adjusting and folding ............ 154
Blind spot monitor ................. 292
Outside rear view mirror defoggers ......... 340, 347
Outside temperature
display ...................................... 98
Overhead console ................... 358
Overheating.............................. 534 Parking assist sensors
(intuitive parking assist)....... 284
Parking brake........................... 219 Operation .............................. 219
Parking brake engaged
warning buzzer ................... 483
Parking brake engaged
warning message ............... 496
Parking lights........................... 220 Light switch ........................... 220
Replacing light bulbs .... 463, 469
Wattage ................................ 553
PCS (Pre-Collision System).... 245
Pre-collision brake assist ...... 246
Pre-collision braking ............. 246
Pre-collision warning ............ 246
Warning light......................... 484
Personal lights......................... 354 Wattage ................................ 553
Power back window ................ 160
Power mode switch ................. 212
Power outlets ................... 375, 376
Power steering fluid ................ 426
Power windows ....................... 156 Jam protection function ........ 157
Operation .............................. 156
Power back window switch ... 160
Window lock switch .............. 156
Pre-Collision System (PCS).... 245
N
O
P

613Alphabetical index
Trip meters ................................. 98
Turn signal lights..................... 218Replacing light
bulbs ................... 463, 466, 469
Turn signal lever ................... 218
Wattage ................................ 553
USB charging ports ................. 381
USB port
*
Vanity lights Vanity lights .......................... 374
Wattage ................................ 553
Vanity mirrors .......................... 374
Vehicle data recordings .............. 9
Vehicle identification number ................................... 543
Vehicle Stability Control (VSC) ...................................... 323
Voice command system
*
VSC
(Vehicle Stability Control) .... 323 Warning buzzers
Brake Override System ........ 492
Brake system ....... ......... 482, 489
BSM (Blind Spot Monitor) ..... 292
Crawl Control ........................ 320
Downshifting ......................... 215
Four-wheel drive control ....... 303
Intuitive parking assist .......... 285
Key reminder ........................ 203
Light reminder....................... 223
Open door............................. 495
Open moon roof............ 164, 497
Parking brake ............... 483, 496
PCS
(Pre-Collision System) ....... 245
Reverse warning................... 217
Seat belt reminder ................ 483
Warning lights ........................... 93 ABS ...................................... 482
Brake system ....... ................. 482
LDA (Lane Departure Alert) ....... 258
Low fuel level ........................ 483
Low speed four-wheel drive indicator ..................... 483
Malfunction indicator lamp .... 482
Master warning light ............. 483
Parking brake indicator ......... 483
PCS (Pre-Collision System) ....... 245
Rear differential lock
indicator light ...................... 483
Seat belt reminder light......... 483
Slip indicator ......................... 483
SRS ...................................... 482
Tire pressure ........................ 484
Warning messages.................. 489
U
V
W
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”