2022 TOYOTA SEQUOIA air conditioning

4156-3. Do-it-yourself maintenance
6
Maintenance and care
SEQUOIA_OM_USA_OM0C047U
WARNING
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■ When working on the engine compartment
● Keep hands, clothing and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil and other fluids may also be hot.
● Do not leave anything that may burn easily, such as paper and r ags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or t he bat-
tery. Fuel and battery fumes are flammable.
● Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
■ When working near the electric cooling fan or radiator grille
Be sure the engine switch is off. With the engine switch on, th e electric cool-
ing fans may automatically start to run if the air conditioning is on and/or the
coolant temperature is high. ( P. 422)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.
from getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.

4466-3. Do-it-yourself maintenance
SEQUOIA_OM_USA_OM0C047U
Air conditioning filter
Turn the engine switch to OFF.
Open the glove box.
Remove the internal tray.
Remove the inside cover by
sliding up while pulling toward
you.
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
1
2
3
4

4476-3. Do-it-yourself maintenance
6
Maintenance and care
SEQUOIA_OM_USA_OM0C047U
Remove the filter cover.
Remove the air conditioning fil-
ter and replace it with a new
one.
The “UP” marks shown on the fil-
ter should be pointing up.
■ Checking interval
Inspect and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, earl y replacement
may be required. (For scheduled maintenance information, please refer to the
“Schedule maintenance guide” or “Owner’s Manual Supplement”.)
■ If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if nece ssary.
5
6
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.

4707-2. Steps to take in an emergency
SEQUOIA_OM_USA_OM0C047U
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.
● Voltmeter continually points higher or lower than normal
● Engine oil pressure gauge continually points higher or lower th an
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

5428-1. Specifications
SEQUOIA_OM_USA_OM0C047U
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

578Alphabetical index
SEQUOIA_OM_USA_OM0C047U
Alphabetical index
A/C .................................... 342, 350Air conditioning filter ............. 446
Front air conditioning system ......... ....................... 342
Rear air conditioning system ......... ....................... 350
A/V input port
*
ABS
(Anti-lock Brake System)...... 324
Function ................................ 324
Warning light ......................... 473
Adaptive variable suspension system .................................... 316
Air conditioning filter .............. 446
Air conditioning system ............................ 342, 350
Air conditioning filter ............. 446
Airbags ....................................... 40 Airbag operating conditions .... 47
Airbag precautions
for your child ......................... 42
Airbag warning light .............. 472
Correct driving posture ........... 28
Curtain shield airbag
operating conditions ............. 47
Curtain shield airbag
precautions ........................... 44
Front passenger occupant classification syst em............. 51
General airbag precautions .... 42
Locations of airbags................ 40
Modification and disposal of airbags.............................. 46
Side airbag operating conditions ............................. 47
Side airbag precautions .......... 42
Side and curtain shield airbags operating conditions ............. 47
Side and curtain shield airbags precautions .............. 42
SRS airbags............................ 40 Alarm
Alarm ...................................... 84
Warning buzzer .................... 472
Anchor brackets ........................ 62
Anti-lock Brake System (ABS) ...................................... 324 Function ................................ 324
Warning light......................... 473
Armrest..................................... 384
Assist grip ................................ 386
Audio system
*
Audio visual input*
AUTO LSD system................... 322
Automatic air conditioning system.................................... 342
Automatic High Beam ............. 231
Automatic light control system.................................... 227
Automatic transmission ......... 220 If the shift lever
cannot be shifted from P .... 223
S mode ................................. 221
AUX port
*
Auxiliary boxes ........................ 372
AVS ........................................... 316
A

582Alphabetical index
SEQUOIA_OM_USA_OM0C047U
Flat tire...................................... 493
Floor mats .................................. 26
FluidAutomatic transmission......... 529
Brake .................................... 530
Power steering ...................... 530
Washer ................................. 427
Fog lights ................................. 236 Replacing light bulbs............. 459
Switch ................................... 236
Four-wheel drive system .................................... 317
Front passenger occupant
classification system .............. 51
Front personal lights ............... 359
Front seats ............................... 136 Adjustment ............................ 136
Cleaning................................ 404
Correct driving posture ........... 28
Driving position memory ....... 149
Head restraints ..................... 154
Seat heaters ......................... 354
Seat position memory ........... 149
Seat ventilators ..................... 354
Front side marker lights.......... 227 Light switch ........................... 227
Replacing light bulbs............. 459
Front turn signal lights ........... 225 Replacing light bulbs............. 459
Turn signal lever ................... 225
Fuel ........................................... 244 Capacity ................................ 525
Fuel gauge .............................. 94
Fuel pump shut off system.... 471
Information ............................ 533
Refueling............................... 244
Type ...................................... 525
Warning light ......................... 474 Fuel consumption ................... 104
Fuel filler door ......................... 246
Refueling .............................. 244
Fuel pump shut off system..... 471
Fuses ........................................ 450
Garage door opener ................ 387
Gauges ....................................... 94
Glove box ................................. 362
Grocery bag hooks.................. 374
Hands-free system (for cellular phone)
*
Head restraints ........................ 154
Headlights ................................ 227 Automatic High Beam
system .......... ...................... 231
Light switch ........................... 227
Replacing light bulbs ............ 459
Heaters Air conditioning system ....... ................. 342, 350
Outside rear view mirrors ..... 345
Seat heaters ......................... 354
Hill-start assist control ........... 324
Hood ......................................... 416
F
G
H

585Alphabetical index
SEQUOIA_OM_USA_OM0C047U
Outer foot lights....................... 357
Outside rear view mirrors ....... 161Adjusting and folding ............ 161
BSM (Blind Spot Monitor) ..... 297
Outside rear view mirror defoggers ................. 345
Outside temperature display ...................................... 94
Overhead console ................... 367
Overheating, Engine................ 515
Parking brake ........................... 226 Operation .............................. 226
Parking brake engaged warning buzzer/
message ............................. 484
Parking lights ........................... 227 Light switch ........................... 227
Replacing light bulbs............. 459
PCS (Pre-Collision system) .... 255 Enabling/disabling
the system ................... ....... 259
Pen holder ................................ 363
Personal lights ......................... 359
Power back window ................ 168 Jam protection function......... 169
Operation .............................. 168
Power outlets ........................... 379
Power steering
Fluid .............................. 424, 530
Warning light ......................... 473 Power windows ....................... 165
Door lock linked window
operation ............................ 166
Jam protection function ........ 166
Operation .............................. 165
Window lock switch .............. 165
Pre-Collision system (PCS) ...................................... 255
Enabling/disabling the system ......... ................. 259
Radiator .................................... 422
Radio
*
RCTA (Rear Cross Traffic Alert)....................................... 297
Rear air conditioning system.................................... 350
Rear console box .................... 365
Rear seats
Adjustment............................ 138
Folding down ................ 141, 144
Rear side sunshade ................ 385
Rear step bumper .................... 121
Rear turn signal lights ............ 225 Replacing light bulbs ............ 454
Turn signal lever ................... 225
Wattage ................................ 532
Rear view mirror
Inside rear view mirror .......... 158
Outside rear view mirrors ..... 161
Rear view monitor system
*
Rear window ............................ 168
Rear window defoggers .......... 345
Rear window wiper .................. 241
PR
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.