2021 TOYOTA TUNDRA tow

5337-2. Steps to take in an emergency
7
When trouble arises
NOTICE
■To avoid damage to the trans mission and other components
● Avoid spinning the rear wheels and depressing the accelerator p edal more
than necessary.
● If the vehicle remains stuck even after these procedures are pe rformed,
the vehicle may require towing to be freed.
● When a warning message for the automatic transmission fluid tem perature
is displayed while attempting to free a stuck vehicle, immediat ely remove
your foot from the accelerator pedal and wait until the warning message
disappears. Otherwise, the transmission may become damaged.
( P. 493)

5388-1. Specifications
Double Cab models
*1: The model code is indicated on the Certification Label. (P. 5 4 1 )
*2: Vehicles with towing package
*3: Vehicles with towing package and large fuel tank
Vehicle capacity weight
Model code*1EngineDriving
systemBed type
Vehicle capacity weight
(Occupants + lug- gage)
USK51L- CRTSKA
3UR-FE engine 2WD
Standard
1605 lb. (730 kg)
1540 lb. (700 kg)*2
1425 lb. (645 kg)*3
USK51L-
CRTLKA
1570 lb. (710 kg)
1505 lb. (680 kg)*2
1385 lb. (630 kg)*3
USK52L-
CHTSKA Long
1580 lb. (715 kg)
1515 lb. (690 kg)*2
1400 lb. (635 kg)*3
USK56L-
CRTSKA
4WDStandard
1500 lb. (680 kg)
1435 lb. (650 kg)*2
1320 lb. (600 kg)*3
USK56L-
CRTLKA
1485 lb. (675 kg)
1420 lb. (645 kg)*2
1300 lb. (590 kg)*3
USK57L-
CHTSKA Long
1475 lb. (670 kg)
1410 lb. (640 kg)*2
1290 lb. (585 kg)*3

5408-1. Specifications
*1: The model code is indicated on the Certification Label. (P. 5 4 1 )
*2: Vehicles with electric moon roof
*3: Vehicles with towing package
*4: Vehicles with towing package and large fuel tank
*5: Vehicles with towing package and electric moon roof
*6: Vehicles with towing package, el ectric moon roof and large fuel tank
USK56L-
PSTSKA
3UR-FE engine 4WD Short 1450 lb. (660 kg)
1415 lb. (640 kg)
*2
1385 lb. (630 kg)*3
1270 lb. (575 kg)*4
1350 lb. (610 kg)*5
1235 lb. (560 kg)*6
USK56L- PSTLKA 1400 lb. (635 kg)
1365 lb. (620 kg)
*2
1335 lb. (605 kg)*3
1220 lb. (555 kg)*4
1300 lb. (590 kg)*5
1185 lb. (535 kg)*6
USK56L- PSTZKA 1405 lb. (635 kg)
1370 lb. (620 kg)
*2
1340 lb. (605 kg)*3
1220 lb. (555 kg)*4
1305 lb. (590 kg)*5
1185 lb. (540 kg)*6
Model code*1EngineDriving
systemBed type
Vehicle capacity weight
(Occupants + lug-
gage)

5458-1. Specifications
8
Vehicle specifications
Cooling system
Capacity
Vehicles without towing package
11.4 qt. (10.8 L, 9.5 Imp.qt.)
Vehicles with towing package
12.4 qt. (11.7 L, 10.3 Imp.qt.)
Coolant typeUse either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol- based non-silicate, non-amine, non-
nitrite, and non-borate coolant with
long-life hybrid organic acid technology
Do not use plain water alone.
Ignition system
Spark plug
MakeDENSO SK20HR11
Gap0.043 in. (1.1 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark pl ug gap.
Electrical system
Battery
Open voltage at 68F
(20 C):12.6  12.8 V Fully charged
12.2
 12.4 V Half charged
11 . 8
 12.0 V Discharged
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
Charging rates5 A max.

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

600Alphabetical index
Child safety ................................ 58Airbag precautions .................. 44
Battery precautions ............... 527
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 ......................... 453
Seat belt extender precautions ........................... 39
Seat belt precautions .............. 62
Seat heater precautions........ 355
Child-protectors....................... 131
Cleaning ........................... 400, 403 Aluminum wheels.................. 400
Exterior ................................. 400
Interior................................... 403
Seat belts .............................. 404
Clock
*
Compass .................................. 394
Condenser ................................ 420
Console box ............................. 363
Coolant ..................................... 418 Capacity ................................ 545
Checking ............................... 418
Preparing and checking before winter....................... 331
Cooling system ........................ 418 Engine overheating ............... 529
CRS ............................................. 59 Cruise control
Cruise control ....................... 294
Dynamic radar cruise control ...................... 280
Cup holders ............................. 370
Curtain shield airbags............... 41
Customizable features ............ 564
Daytime running light system.................................... 237
Deck hooks .............................. 377
Defogger Back window................. 342, 349
Outside rear view mirrors ........................ 342, 349
Windshield .................... 342, 349
Differential................................ 546
Dimensions .............................. 536
Dinghy towing.......................... 216
Display Drive information .................. 111
Dynamic radar
cruise control ...................... 280
LDA
(Lane Departure Alert) ....... 272
Multi-information display ....... 110
Trip information..................... 110
Warning message................. 493
Do-it-yourself maintenance .... 412
Door lock .................................. 127 Doors .................................... 127
Key ....................................... 127
Smart key system ................. 128
Wireless remote control ........ 128
D

601Alphabetical index
Doors ........................................ 127Automatic door locking and unlocking system ......... 132
Door glasses ......................... 172
Door lock............................... 130
Open door warning message ............................. 494
Outside rear view mirrors...... 167
Rear door child-protector ...... 131
Side doors............................. 127
Driver’s seat position memory .................................. 152
Drive-Start Control .................. 185
Driving ...................................... 184
Break-in tips .......................... 186
Correct driving posture ........... 32
Driving assist system ............ 320
Procedures ........................... 184
Winter drive tips .................... 331
Dynamic radar cruise control ........................ 280 Constant speed
control mode....................... 285
Vehicle-to-vehicle distance control mode ........ 287 EDR (Event data recorder)........ 11
Emergency, in case of
If the engine will not start ...... 521
If the vehicle is trappedin rising water ..................... 477
If the vehicle has discharged battery ................................ 525
If the warning buzzer sounds................................ 485
If the warning light turns
on ....................................... 485
If the warning message is displayed ........................ 493
If you have a flat tire ............. 506
If you lose your keys ............. 123
If you think something is wrong .............................. 483
If your vehicle becomes stuck ................................... 532
If your vehicle has to be stopped in an emergency ... 475
If your vehicle needs
to be towed......................... 478
If your vehicle overheats....... 529
Emergency flashers ................ 474
Engine
“ACC” position ...................... 217
Compartment ........................ 415
Engine switch ....................... 217
Hood ..................................... 414
How to start the engine......... 217
Identification number ............ 541
If the engine will not start ...... 521
Ignition switch (engine switch) ................... 217
Immobilizer system .. ............... 85
Overheating .......................... 529E
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER
’S MANUAL”.

609Alphabetical index
Outside rear view mirror defoggers switch ........ 342, 349
Outside rear view mirror
switches.............................. 167
Personal/interior lights main switch......................... 357
Power back window
switch ................................. 176
Power door lock switch ......... 130
Power window switches ........ 172
Seat heater switches ............ 354
Seat ventilator switches ........ 354
Tilt and telescopic steering control switch ........ 162
Tire pressure warning reset
switch ................................. 428
TOW/HAUL switch ................ 228
Turn signal lights................... 232
VSC off switch ......................... 318, 323
Window lock switch............... 172
Windshield wiper de-icer switch ............. 343, 350
Windshield wipers and washer switch .............. 245 Tachometer .............................. 105
Tail lights.................................. 234
Light switch ........................... 234
Replacing light bulbs ............ 468
Wattage ................................ 550
Tailgate Removing the tailgate ........... 134
Tailgate ................................. 133
Talk switch
*
Telephone switches*
Theft deterrent system Alarm ...................................... 95
Engine immobilizer system ..... 85
Tire inflation pressure............. 442 Maintenance data ................. 548
Warning light......................... 487
Tire information ....................... 554 Glossary ............................... 559
Size....................................... 555
Tire identification number ..... 555
Uniform Tire Quality Grading .............................. 557
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......................... 487
T
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER
’S MANUAL”.