2023 TOYOTA SEQUOIA HYBRID engine coolant

5457-2. Steps to take in an emergency
Owners Manual_USA_M0C043_en
7
When trouble arises
6 Start the hybrid system to
check that the radiator cool-
ing fan operates and to check
for coolant leaks from the
radiator or hoses.
7 If the fan is not operating:
Stop the hybrid system
immediately and contact your
Toyota dealer.
If the fan is operating:
Have the vehicle inspected at
the nearest Toyota dealer.
8 Check if “Engine Coolant
Temp High Stop in a Safe
Place See Owner’s Manual”
is shown on the multi-infor-
mation display.
If the message does not disappear:
Stop the hybrid system and contact
your Toyota dealer.
If the message is not displayed:
Have the vehicle i nspected at the
nearest Toyota dealer.
WARNING
■When inspecting under the
hood of your vehicle
Observe the following precau-
tions.
Failure to do so may result in seri-
ous injury such as burns.
●If steam is seen coming from
under the hood, do not open the
hood until the steam has sub-
sided. The engine compart-
ment may be very hot.
●After the hybrid system has
been turned off , check that the
“READY” indicator is off. When
the hybrid system is operating,
the gasoline engine may auto-
matically start, or the cooling fan
may suddenly operate even if
the gasoline engine stops. Do
not touch or approach rotating
parts such as the fan, which
may lead to fingers or clothing
(especially a tie, a scarf or a
muffler) getting caught, resulting
in serious injury.
●Do not loosen the coolant reser-
voir caps, while the hybrid sys-
tem and radiator are hot.
High temperature steam or
coolant could spray out.
NOTICE
■When adding coolant
Add coolant slowly after the
hybrid system has cooled down
sufficiently. Adding cool coolant to
a hot hybrid system too quickly
can cause damage to the hybrid
system.
■To prevent damage to the
cooling system
Observe the following precau-
tions:
●Avoid contaminating the coolant
with foreign matter (such as
sand or dust, etc.).
●Do not use any coolant additive.

5528-1. Specifications
Owners Manual_USA_M0C043_en
Oil viscosity (0W-20 is explained
here as an example):
• The 0W in 0W-20 indicates the characteristic of the oil
which allows cold startability.
Oils with a lower value before
the W allow for easier starting
of the engine in cold weather.
• The 20 in 0W-20 indicates the viscosity characteristic of the
oil when the oil is at high tem-
perature.
How to read oil container label:
The International Lubricant Specification Advisory Commit-
tee (ILSAC) Certification Mark is
added to some oil containers to
help you select the oil you
should use.
*: The fluid capacity is a reference quantity.
If replacement is necessary, contact your Toyota dealer.
Cooling system
Capacity*
Gasoline
engine15.3 qt. (14.5 L , 12.8 Imp.qt.)
Intercooler4.6 qt. (4.4 L, 3.9 Imp.qt.)
Power con-
trol unit2.2 qt. (2.1 L, 1.8 Imp.qt.)
Coolant type
Use 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 tech-
nology
Do not use plain water alone.
Ignition system (spark plug)
MakeDENSO EC22HPR-D7
Gap0.027 in. (0.7 mm)

5648-1. Specifications
Owners Manual_USA_M0C043_en
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pressure
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 pressure
The maximum cold inf lated pressure to
which a tire may be inflated, shown on the
sidewall of the tire
Recommended inflation pres-
sureCold tire inflation pressure recommended
by a manufacturer
Accessory weight
The combined weight (in excess of those
standard items which may be replaced) of
automatic transmission, power steering,
power brakes, power windows, power
seats, radio and heater, to the extent that
these items are ava ilable as factory-
installed equipment (whether installed or
not)
Curb weight
The weight of a moto r vehicle with stan-
dard equipment, including the maximum
capacity of fuel, oil and coolant, and if so
equipped, air conditioning and additional
weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight
150 lb. (68 kg) times the number of occu-
pants specified in the second column of
Ta b l e 1
* that follows
Occupant distribution
Distribution of occupants in a vehicle as
specified in the third column of Table 1
*
below

Owners Manual_USA_M0C043_en
Alphabetical Index601
Panoramic moon roof ........... 182
Power window lock switch.... 176
Power window precautions .. 175
Rear door child-protectors.... 118
Removed electronic key battery precautions......................... 494
Seat belt extender precautions ............................................. 30
Seat belt precautions ............. 53
Child-protectors .. ................... 118
Cleaning .......................... 450, 453 Aluminum wheel ornaments . 450
Aluminum wheels ................. 450
Digital Rear-view Mirror........ 165
Exterior ................................. 450
Interior .................................. 453
Radar sensor........................ 245
Seat belts ............................. 453
Clock ......................................... 93
Coat hooks .............................. 434
Condenser .............................. 469
Console box ............................ 424
Console box light ................... 418
Consumption screen.............. 108
Coolant .................................... 468 Checking .............................. 468
Cooling system ...................... 468 Engine overheating .............. 543
Coussins gonflables Modification et é limination en fin
de vie des coussins gonflables ........................................... 593
Crawl Control .......................... 373
Cruise control Dynamic radar cruise control with full-speed range .......... 275
Cup holders ............................ 422
Current fuel consumption ....... 99
Curtain shield airbags ............. 37
Customizable features ........... 570D
DAC ..........................................380
Daytime running light system228
Daytime running lights Replacing light bulbs ............498
Deck divider ............................426
Defogger Outside rear view mirrors .....408
Rear window.........................408
Windshield ............................407
Differential ...............................554
Digital Rear-view Mirror .........160
Dimension ...............................548
Dinghy towing ......................... 211
Display Dynamic radar cruise control with full-speed range ..........275
Head-up display ...................104
Intuitive parking assist ..........294
LTA (Lane Tracing Assist) .....267
Multi-information display.........97
Warning messages ...............519
Display change button .............95
Distance until next engine oil change .....................................95
Do-it-yourself maintenance ...457
Door courtesy lights...............418
Door lock Back door .............................122
Side doors ............................ 115
Smart key system .................139
Wireless remote control........ 113

Owners Manual_USA_M0C043_en
Alphabetical Index603
If you have a flat tire ............. 523
If you lose your keys ............ 534
If you think something is wrong........................................... 507
If your vehicle becomes stuck ........................................... 546
If your vehicle has to be stopped in an emergency................. 502
If your vehicle needs to be towed ........................................... 505
If your vehicle overheats ...... 543
Engine ..................................... 550 ACC...................................... 215
Compartment ....................... 465
How to start the hybrid system........................................... 212
If the hybrid sy stem will not start
........................................... 532
If your vehicle has to be stopped in an emergency................. 502
Overheating.......................... 543
Power switch ........................ 212
Engine coolant ....................... 468 Capacity ............................... 552
Checking .............................. 468
Preparing and c hecking before
winter.................................. 401
Engine coolant temperature gauge....................................... 93
Engine oil Capacity ............................... 551
Checking .............................. 466
Warning light ........................ 510
Engine oil pressure gauge ...... 93
Engine switch (power switch)212 Auto power off function ........ 216
Changing the power switch modes ................................ 215
If your vehicle has to be stopped in an emergency................. 502
Starting the hybrid system.... 212 Enhanced Vehicle Stability Con-
trol (Enhanced VSC ) .............383
Enhanced VSC (Enhanced Vehi- cle Stability Control).............383
EPS (Electric Po wer Steering)
...............................................383 Warning light......................... 511
Event data recorder (EDR) .........8
F
Flat tire.....................................523 Tire pressure w arning system
...........................................476
Floor mats .................................26
Fluid Automatic transm ission ........553
Brake ....................................554
Washer .................................470
Fog light Replacing light bulbs ............498
Switch ...................................231
Footwell lights ........................418
Four-wheel drive system .......369
Front fog light Replacing light bulbs ............498
Front passenger occupant clas- sification system ....................47
Front seats ..............................144 Adjustment ...........................144
Cleaning ...............................453
Correct driving posture ...........27
Driving position memory .......152
Head restraints .....................155
Memory recall function .........154
Power easy access system ..152
Seat heaters ....... ..................415
Seat position memory...........152
Seat ventilators.....................415

614Alphabetical Index
Owners Manual_USA_M0C043_en
W
Warning buzzers Approach warning ................ 282
Brake hold ............................ 514
Brake Override System ........ 513
Brake system ....................... 509
Charging system .................. 510
Downshifting......................... 220
Drive-Start Control ............... 513
Electric power steering ......... 511
Engine .................................. 510
Hands off steering wheel warn-ing (LTA) ............................. 270
Hybrid system ...................... 510
Intuitive parking assist .. 299, 512
Low engine oil pressure ....... 510
LTA (Lane Tracing Assist) ... 261, 265, 512
Open door .................... 116, 118
Open window ....................... 175
PCS (Pre-Collision System) . 511
PKSB (Parking Support Brake) ........................................... 512
Pre-collision braking ............. 249
Pre-collision warning ............ 249
RCTA (Rear Cross Traffic Alert) ................................... 301, 513
Seat belt ............................... 515
SRS airbag ........................... 510
Vehicle sway warning function (LTA) ................................... 271
Warning label ............................ 78 Warning lights ...................89, 509
ABS ...................................... 511
Air suspension malfunction indi-cator ...................................516
Brake hold operated indicator ...........................................514
Brake Override System ........513
Brake system ........................509
Charging system ..................510
Drive-Start Control ................513
Electric power steering ......... 511
High coolant temperature .....509
Hybrid system .......................510
Intuitive parking assist OFF indi- cator ...................................512
Low engine oil pressure .......510
Low fuel level........................515
LTA indicator .........................512
Malfunction indica tor lamp ....510
Parking brake indicator.........514
PKSB OFF indicator .............512
Pre-collision system ............. 511
RCTA OFF indicator .............513
Rear differential lock indicator ...........................................514
Seat belt reminder light ........515
Slip indicator .........................513
SRS airbag ...........................510
Tire pressure ...... ..................514
Trailer brake warn ing light ....516
Warning messages .................519
Washer .....................................235 Adding ..................................470
Preparing and checking before winter ..................................401
Switch ...........................235, 239
Washing and waxing ..............450