2021 TOYOTA TUNDRA heater

TABLE OF CONTENTS4
5-1. Using the air conditioning system
Manual air conditioning system............................. 340
Automatic air conditioning system............................. 347
Seat heaters/ seat ventilators ................ 354
5-2. Using the interior lights Interior lights list ................ 357• Personal/interior lightsmain switch ................... 357
• Personal/interior lights ............................. 358
• Cargo lamp main
switch ............................ 359
5-3. Using the storage features List of storage features...... 360• Glove box...................... 362
• Console box (front
separated type seat) ..... 363
• Card holder ................... 364
• Map holder (front bench type seat) ........... 366
• Pen holder .................... 367
• Tissue pocket ................ 368
• Overhead console ......... 369
• Cup holders .................. 370
• Bottle holders ................ 372
• Auxiliary boxes (front bench type seat) ........... 373
• Storage box .................. 375
Luggage compartment features ........................... 377 5-4. Using the other interior fea-
tures
Other interior features........ 378 • Sun visors ..................... 378
• Vanity mirrors ................ 378
• Power outlets ................ 379
• USB charging ports ....... 382
• Armrest.......................... 383
• Assist grips .................... 384
Garage door opener .......... 385
Compass ........................... 394
5Interior features

339
5Interior features
5-1. Using the air conditioning system
Manual air conditioning system............................. 340
Automatic air conditioning system............................. 347
Seat heaters/ seat ventilators ................ 354
5-2. Using the interior lights Interior lights list ................ 357• Personal/interior lightsmain switch ................... 357
• Personal/interior
lights ............................. 358
• Cargo lamp main switch ............................ 359 5-3. Using the storage features
List of storage features ..... 360• Glove box...................... 362
• Console box (front separated type seat) ..... 363
• Card holder ................... 364
• Map holder (front bench type seat) ........... 366
• Pen holder .................... 367
• Tissue pocket................ 368
• Overhead console......... 369
• Cup holders .................. 370
• Bottle holders ................ 372
• Auxiliary boxes (front bench type seat) ........... 373
• Storage box .................. 375
Luggage compartment features ........................... 377
5-4. Using the other interior fea- tures
Other interior features ....... 378 • Sun visors ..................... 378
• Vanity mirrors................ 378
• Power outlets ................ 379
• USB charging ports....... 382
• Armrest ......................... 383
• Assist grips ................... 384
Garage door opener.......... 385
Compass ........................... 394

3545-1. Using the air conditioning system
Seat heaters/seat ventilators
Turns the seat heater on
Hi
Mid
Lo
Off
The level indicator lights come on.
Press the “ ” on the button to up
and “ ” to down, and off.
■
Seat heater
Turns the seat heater on Hi
Mid
Lo
Off
The level indicator lights come on.
Pressing the button changes
modes in the following:
HiMid LoOff
: If equipped
The seat heaters and ventilator s heat the seats and maintain
good airflow by blowing air from the seats.
Seat heaters
1
2
3
4
Seat ventilators
1
2
3
4

3555-1. Using the air conditioning system
5
Interior features
■Seat ventilators
Blows air from the seat Hi
Mid
Lo
Off
The level indicator lights come on.
Pressing the button changes
modes in the following:
HiMid LoOff
■The seat heaters/seat ventilators can be used when
The engine switch is in ON.
■ Passenger seat ventilator timer (vehicles with seat ventilators )
● The ventilator operates on for 5 minutes after the button is pr essed.
● When the passenger is not detected, the automatically turns off the ventila-
tor after 5 minutes.
■ When not in use
Turn the seat heaters or seat ventilators off by pressing the b utton. The indi-
cator light turns off.
1
2
3
4
WARNING
■ Burns
● Use caution when seating the following persons in a seat with t he seat
heater on to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the physical ly chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sle eping
drugs, cold remedies, etc.)
● Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the t emperature
of the seat and may lead to overheating.
● Do not use seat heater more than necessary. Doing so may cause minor
burns or overheating.

3565-1. Using the air conditioning system
NOTICE
■To prevent damage to the seat heaters/seat ventilators
Do not put heavy objects that have an uneven surface on the sea t and do
not stick sharp objects (needles, nails, etc.) into the seat.
■ To prevent battery discharge
Turn the seat heaters/seat ventilators off when the engine is n ot running.

4056-1. Maintenance and care
6
Maintenance and care
NOTICE
■Cleaning detergents
● Do not use the following types of detergent, as they may discol or the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasol ine,
alkaline or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alcohol
● Do not use polish wax or polish cleaner. The instrument panel’s or other
interior part’s painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended perio ds of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
■ Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if wate r comes
into contact with electrical components such as the audio syste m above or
under the floor of the vehicle. Water may also cause the body to rust.
■ When cleaning the inside of the windshield (vehicles with Toyota
Safety Sense P)
Do not allow glass cleaner to contact the lens. Also, do not to uch the lens.
( P. 253)
■ Cleaning the inside of the back window
● Do not use glass cleaner to clean the back window, as this may cause
damage to the back window defogger heater wires. Use a cloth da mpened
with lukewarm water to gently wipe the window clean. Wipe the w indow in
strokes running parallel to the heater wires.
● Be careful not to scratch or damage the heater wires.

5598-1. Specifications
8
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended infla-
tion pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty battery, and special trim

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