2022 TOYOTA TUNDRA air condition

4506-3. Do-it-yourself maintenance
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause da mage to the
system.

4807-2. Steps to take in an emergency
If you think something is wrong
●Fluid leaks un der the vehicle.
(Water dripping from the air conditioning a fter use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature gauge needle continually points high er
than normal.
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
● Engine misses, stumbli ng or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one s ide when driving on a level road
● Loss of brake effectiveness, spongy feeling, pedal almost touch es
the floor
If you notice any of the followi ng symptoms, your vehicle proba -
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4867-2. Steps to take in an emergency
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■
When the tire pressure warning light comes on (if equipped)
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressur e warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural caus es
(if equipped)
The tire pressure warning light may come on due to natural caus es such
as natural air leaks and tire inflation pressure changes caused by tem-
perature. In this case, adjusting the tire inflation pressure w ill turn off the
warning light (after several minutes).
■When a tire is replaced with a spare tire (vehicles with the ti re pres-
sure warning system)
The temporary spare tire is not equipped with a tire pressure w arning
valve and transmitter. If a tire goes flat, the tire pressure w arning light will
not turn off even though the flat tire has been replaced with t he temporary
spare tire. Replace the temporary spare tire with the repaired tire and
adjust the tire inflation pressu re. The tire pressure warning l ight will go off
after several minutes.
■Conditions that the tire pressure warning system may not functi on
properly (if equipped)
 P. 4 3 6
■If the tire pressure warning light frequently comes on after bl inking
for 1 minute (if equipped)
If the tire pressure warning light frequently comes on after bl inking for 1
minute when the engine switch is turned to “ON” position (vehic les with-
out a smart key system) or IGNITION ON mode (vehicles with a sm art
key system), have it checked by your Toyota dealer.
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy pla ce or an
audio sound.

5347-2. Steps to take in an emergency
If your vehicle overheats
●The needle of the engine coolant temperature gauge ( P. 9 8 )
enters the red zone or a loss of engine power is experienced. ( For
example, the vehicle speed does not increase.)
● “High Engine Coolant Temperature” is shown on the multi-informa-
tion display. (if equipped)
● Steam comes out f rom under the hood.
Stop the vehicle in a safe place and turn off the air condition ing sys-
tem, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks. Radiator
Cooling fan
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir.Reservoir
“FULL”
“LOW”
Radiator cap
The following may indicate that your vehicle is overheating:
Correction procedures
1
2
3
1
2
4
1
2
3
4

5638-1. 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
Alphabetical index
A/C .................................... 338, 344Air conditioning filter ............. 448
Automatic air conditioning system ......... ....................... 344
Manual air conditioning system ......... ....................... 338
ABS (Anti-lock Brake
System) .................................. 322 Function ................................ 322
Warning light ......................... 482
Warning message ................. 491
Active head restraints ............. 140
Active traction control ............ 311
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) ...................................... 322 Function ................................ 322
Warning light......................... 482
Warning message................. 491
Assist grips .............................. 388
Audio remote control switches
*
Audio system*
AUTO LSD system................... 306
Automatic High Beam ............. 223
Automatic light control system.................................... 219
Automatic transmission Automatic transmission ........ 210
If the shift lever cannot be shifted from P ..................... 213
S mode ................................. 212
Power mode switch .............. 211
Auxiliary boxes ........................ 365
A

605Alphabetical index
Fuel ........................................... 544Capacity ................................ 544
Fuel gauge .............................. 98
Fuel pump shut off system.... 481
Information ............................ 554
Refueling............................... 232
Type ...................................... 544
Warning light ......................... 483
Warning message ................. 493
Fuel consumption
Average fuel consumption ............... 103, 109
Current fuel
consumption ............... 103, 109
Fuel filler door.......................... 234
Fuel pump shut off system ..... 481
Fuses ........................................ 454
Garage door opener ................ 389
Gas station information .......... 616
Gauges ....................................... 98
Glove box ................................. 357
Grocery bag hooks .................. 372
Hands-free system (for cellular phone)
*
Head restraints ........................ 145
Headlights ................................ 219 Automatic High Beam ........... 223
Light switch ........................... 219
Replacing light bulbs..... 459, 460
Wattage ................................ 553 Heaters
Automatic air conditioning system .......... ...................... 344
Manual air conditioning system .......... ...................... 338
Seat heaters ......................... 351
Outside rear view mirrors ........................ 340, 347
High mounted stoplight Replacing.............................. 467
Wattage ................................ 553
Hill-start assist control ........... 323
Hood ......................................... 417
Hooks Deck hooks ........................... 367
Grocery bag hooks ............... 372
Retaining hooks (floor mat) .... 26
Horn .......................................... 149
G
H
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”

607Alphabetical index
License plate lightsLight switch ........................... 219
Replacing light bulbs............. 466
Wattage ................................ 553
Light bulbs Replacing .............................. 457
Wattage ................................ 553
Lights Automatic High Beam ........... 223
Cargo lamp switch ................ 355
Center tray light .................... 353
Engine switch light (ignition switch light) ........... 353
Fog light switch ..................... 228
Headlight switch.................... 219
Illuminated entry system ....... 355
Interior lights ......................... 354
Interior lights list .................... 353
Personal lights ...................... 354
Replacing light bulbs............. 457
Turn signal lever ................... 217
Vanity lights .......................... 374
Wattage ................................ 553
Load capacity........................... 182
Lock steering column ............. 149
Luggage compartment features .................................. 364
Luggage storage box .............. 361
Maintenance
Do-it-yourself maintenance ... 415
General maintenance ........... 411
Maintenance data ................. 540
Maintenance requirements ... 409
Resetting the maintenance required remainder light
or message........................ 410 Malfunction indicator lamp..... 482
Manual air conditioning
system.................................... 338
Manual transmission............... 215
Master warning light ....... 483, 489
Meter Indicators ................................ 95
Instrument panel light
control .................................. 99
Meters..................................... 98
Multi-information display ....... 102
Warning lights ......................... 93
Warning message................. 489
Meter control switches ........... 103
Mirrors Inside rear view mirror .......... 151
Outside rear view
mirror defoggers ......... 340, 347
Outside rear view mirrors ..... 154
Vanity mirrors ....................... 374
Moon roof ................................. 162 Jam protection function ........ 163
Operation .............................. 162
Multi-information display........ 102 Customizing vehicle
features .............................. 105
Driving information................ 103
Dynamic radar cruise control ................................ 265
LDA (Lane Departure Alert) ....... 257
Navigation system-linked...... 102
Settings display .................... 105
Switching the display ............ 103
Warning message................. 489
Multi Terrain ABS .................... 322
Multi-terrain Select .................. 313
M
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”