door lock TOYOTA TUNDRA 2023 Repair Manual

5748-2. Customization
■Seat Belt Reminder Buzzer (P. 483)
■Rear seat reminder ( P. 125)
■Vehicle customization
●When the speed-detecting automatic door lock function and shift position
linked door locking function (shifting gears to a position other than P locks
all doors) are both on, the door lock operates as follows.
• When shifting the shift lever to any position other than P, al l the doors will
be locked.
• If the vehicle is started with all the doors locked, the speed-detecting auto-
matic door lock function would not operate.
• If the vehicle is started with any the door unlocked, the speed-detecting automatic door lock function will operate.
● When the doors remain closed after unlocking the doors and the automatic
door lock function (Time elapsed before the automatic door lock function is
activated if a door is not opened after being unlocked) activates, the signals
will be generated in accordance with operation signal (buzzers) and the
operation signal (emergency flashers) settings.
FunctionDefault settingCustomized setting
Vehicle speed linked seat belt
reminder buzzerOnOff — — O
123
FunctionDefault settingCustomized setting
Indication to prevent mis-
placement in the rear seatOnOff O — —
WARNING
■ During customization
As the engine needs to be running during customization, ensure that the
vehicle is parked in a place with adequate ventilation. In a closed area such
as a garage, exhaust gases including harmful carbon monoxide (CO) may
collect and enter the vehicle. This may lead to death or seriou s health haz-
ard.
NOTICE
■ During customization
To prevent battery discharge, ensure that the engine is running while cus-
tomizing features.
123

596What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your keys or mechanical keys, new genuine mechanical keys
can be made by your Toyota dealer. ( P. 115)
●If you lose your keys or electronic keys, the risk of vehicle t heft increases
significantly. Contact your Toyota dealer immediately. ( P. 118)
●Is the key battery weak or depleted? (P. 451)
●Vehicles with a smart key system:
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 206)
●Vehicles with a smart key system:
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 t he radio
wave. ( P. 134)
●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. 123)
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 opene d (Double Cab models only)

602Alphabetical index
Child safety ................................ 53Airbag precautions .................. 39
Battery precautions ............... 533
Child restraint system ............. 54
How your child should wear the seat belt ................. 32
Installing child restraints ......... 58
Moon roof precautions .......... 165
Power back window precautions ......................... 161
Power window lock switch .... 156
Power window precautions ... 158
Rear door child-protector ...... 123
Removed wireless remote control/electronic key
battery precautions ............. 453
Seat belt extender precautions ........................... 35
Seat belt precautions .............. 57
Seat heater precautions........ 351
Child-protectors....................... 123
Cleaning ........................... 402, 406 Aluminum wheels.................. 403
Exterior ................................. 402
Interior................................... 406
Seat belts .............................. 407
Clock
*
Compass .................................. 397
Condenser ................................ 425
Console box ............................. 358
Consumption screen ....... 103, 109
Cooling system ........................ 423 Capacity ................................ 547
Checking ............................... 423
Engine overheating ............... 534
Preparing and checking before winter....................... 329 Crawl Control ........................... 318
CRS ............................................. 54
Cruise control
Cruise control ....................... 280
Dynamic radar cruise control ................................ 266
Cup holders ............................. 359
Curtain shield airbags............... 37
Customizable features ............ 568
Daytime running light system.................................... 222
Deck hooks .............................. 367
Defogger Outside rear view
mirrors ........................ 340, 347
Windshield .................... 340, 347
Differential................................ 548
Dimensions .............................. 540
Dinghy towing.......................... 201
Display
Drive information .................. 103
Dynamic radar cruise control ................................ 266
LDA (Lane Departure Alert) ....... 258
Multi-information display ....... 102
Warning message................. 489
Do-it-yourself maintenance .... 415
Door lock Doors .................................... 119
Key ....................................... 119
Smart key system ................. 120
Wireless remote control ........ 119
D

603Alphabetical index
Doors ........................................ 119Automatic door locking and unlocking system ................ 123
Door lock............................... 121
Door windows ....................... 156
Open door warning message ............................. 495
Outside rear view mirrors...... 154
Rear door child-protector ...... 123
Drive-Start Control .................. 170
Driving ...................................... 168
Break-in tips .......................... 171
Correct driving posture ........... 28
Driving assist system ............ 323
Procedures ........................... 168
Winter drive tips .................... 329
Dynamic radar cruise control .................................... 266 Constant speed control
mode .................................. 275
Vehicle-to-vehicle distance control mode....................... 273
EDR (Event data recorder) ........ 11
Electronic key .......................... 112 Battery-saving function ......... 133
If the electronic key does not operate properly ................. 528
Replacing the battery ............ 451 Emergency, in case of
If a warning buzzer sounds................................ 482
If a warning light turns on ..... 482
If a warning message is displayed ............................ 489
If the electronic key does not
operate properly ................. 528
If the engine will not start ...... 526
If the vehicle is submerged or water on
the road is rising ................. 475
If the vehicle battery is
discharged.......................... 530
If you have a flat tire ............. 511
If you think something is wrong ............ 480
If your vehicle becomes stuck ................................... 536
If your vehicle has to be stopped in an emergency ... 473
If your vehicle needs
to be towed......................... 476
If your vehicle overheats....... 534
E
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”

611Alphabetical index
Steering wheel audio switches*
Stop lightsReplacing light bulbs............. 466
Wattage ................................ 553
Storage box .............................. 361
Storage feature ........................ 356
Stuck If the vehicle becomes stuck ................................... 536
Sun visors ................................ 374
Switches
Active traction control switch ................................. 312
Audio remote control switches
*
Automatic High Beam ........... 224
BSM (Blind spot monitor) main switch......................... 292
Cargo lamp main switch ....... 355
“CLUTCH START
CANCEL” switch................. 322
Crawl Control switch ............. 318
Cruise control switch............. 280
Door lock switches ................ 121
Dynamic radar cruise
control switch...................... 266
Emergency flashers switch ... 472
Engine switch................ 202, 205
Fog light switch ..................... 229
Front-wheel drive control switch ................................. 303
Garage door opener switches.............................. 389 Headlight switch ................... 220
Ignition switch ............... 202, 205
Intuitive parking assist .......... 284
LDA (Lane Departure Alert)
switch ................................. 258
Light switches ....................... 220
Moon roof switches............... 162
Multi-terrain Select switches ............................. 314
Outside rear view mirror
defoggers switch ........ 340, 347
Outside rear view mirror switches ............................. 154
Power door lock switch ......... 121
Power mode switch .............. 212
Power outlet main switch ...... 376
Power window switches........ 156
Rear differential lock switch ................................. 309
Seat heater switches ............ 351
Talk switch
*
Telephone switches*
Tire pressure warning reset switch ........................ 433
Turn signal lights .................. 218
VSC off switch ...... 307, 324, 325
Window lock switch .............. 156
Windshield wipers and
washer switch..................... 230
Wireless charger switch........ 383
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”

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”

616
GAS STATION INFORMATION
Auxiliary catch leverFuel filler door
P. 417 P. 235
Hood lock release leverTire inflation pressure
P. 417
P. 551
Fuel tank capacity
(Reference) 21.1 gal. (80.0 L, 17.6 Imp.gal.)
Fuel type
P. 544, 554
Cold tire inflation pressure P. 551
Engine oil capacity
(Drain and refill — reference) P. 5 4 5
Engine oil type
P. 545