check engine TOYOTA SEQUOIA 2021 Owners Manual (in English)

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SEQUOIA_OM_USA_OM0C035U6-1. Maintenance and care
Cleaning and protecting the vehicle exterior .......... 398
Cleaning and protecting the vehicle interior ........... 402
6-2. Maintenance Maintenance requirements ................... 405
General maintenance ........ 407
Emission inspection and maintenance (I/M)
programs ......................... 410
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 411
Hood.................................. 414
Engine compartment ......... 415
Tires .................................. 426
Tire inflation pressure........ 438
Wheels .............................. 441
Air conditioning filter .......... 444
Electronic key battery ........ 446
Checking and replacing fuses ............................... 448
Light bulbs ......................... 451 7-1. Essential information
Emergency flashers ........... 460
If your vehicle has to be stopped in an
emergency....................... 461
If the vehicle is trapped in rising water .................. 463
7-2. Steps to take in an emergency
If your vehicle needs to be towed .......................... 464
If you think something is wrong............................... 468
Fuel pump shut off system ............................. 469
If a warning light turns on or a warning buzzer
sounds ............................. 470
If a warning message is displayed ......................... 479
If you have a flat tire .......... 491
If the engine will not start ................................. 505
If the electronic key does not operate properly ........ 507
If the vehicle battery is discharged ....................... 509
If your vehicle overheats.... 513
If the vehicle becomes stuck ................................ 516
6Maintenance and care7When trouble arises

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For your infor mation
Please note that this manual applies to all models and explains all equipment,
including options. Therefore, you may find some explanations fo r equipment
not installed on your vehicle.
All specifications provided in this manual are current at the t ime of printing.
However, because of the Toyota policy of continual product impr ovement, we
reserve the right to make changes at any time without notice.
Depending on specifications, the vehicle shown in the illustrat ions may differ
from your vehicle in terms of color and equipment.
Approximately five hours after the engine is turned off, you ma y hear sound
coming from under the vehicle for several minutes. This is the sound of a fuel
evaporation leakage check and it does not indicate a malfunctio n.
A wide variety of non-genuine spare parts and accessories for T oyota vehi-
cles are currently available in the market. You should know tha t Toyota does
not warrant these products and is not responsible for their per formance,
repair, or replacement, or for any damage they may cause to, or adverse
effect they may have on, your Toyota vehicle.
This vehicle should not be modified with non-genuine Toyota pro ducts. Modi-
fication with non-genuine Toyota products could affect its perf ormance, safety
or durability, and may even violate governmental regulations. In addition,
damage or performance problems resulting from the modification may not be
covered under warranty.
Also, remodeling like this will have an effect on advanced safe ty equipment
such as Toyota Safety Sense P and there is a danger that it wil l not work
properly or the danger that it may work in situations where it should not be
working.
Main Owner’s Manual
Noise from under vehicle afte r turning off the engine
Accessories, spare parts and m odification of your Toyota

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SEQUOIA_OM_USA_OM0C035UThe installation of a mobile two-way radio system in your vehic
le could affect
electronic systems such as:
● Multiport fuel injection system/sequential multiport fuel injection system
● Toyota Safety Sense P
● Dynamic radar cruise control system
● Anti-lock brake system
● SRS airbag system
● Seat belt pretensioner system
Be sure to check with your Toyota dealer for precautionary meas ures or spe-
cial instructions regarding instal lation of a mobile two-way radio system.
The vehicle is equipped with sophisticated computers that will record certain
data, such as:
• Engine speed / Electric motor speed (traction motor speed)
• Accelerator status
• Brake status
• Vehicle speed
• Operation status of the driving assist systems
• Images from the front camera (available only when certain safe ty sys-
tems are activated, which varies depending on the vehicle specifica-
tions).
The recorded data varies according to the vehicle grade level and options
with which it is equipped.
These computers do not record conversations or sounds, and only record
images outside of the vehicle in certain situations.
●Data Transmission
Your vehicle may transmit the data recorded in these computers to Toyota
without notification to you.
Installation of a mobile two-way radio system
Vehicle data recording

17Pictorial index
SEQUOIA_OM_USA_OM0C035UFuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 244
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 244
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 523
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 426
Tire size/inflation pressure . . . . . . . . . . . . . . . . . .
. . . . . . . . . . P. 529
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 334
Checking/rotation/tire pressure warning system . . . . . . . . . . . P. 426
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 491
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 414
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 414
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 524
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 513
Camera
*2
Headlights/parking lights/front side marker lights/
daytime running lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 227
Front turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 225
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 236
Stop/tail lights/rear side marker lights . . . . . . . . . . . . . . . . P. 227
Hill-start assist control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 322
Rear turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 225
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 227
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 220
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 227
Light bulbs of the exterior lights for driving
(Replacing method: P. 451, Wattages: P. 530)
*1: If equipped
*2: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”

271-1. For safe use
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For safety and security
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WARNING
Observe the following precautions.
Failure to do so may cause the driver’s floor mat to slip, possibly interfering
with the pedals while driving. An unexpectedly high speed may result or it may
become difficult to stop the vehicle. This could lead to an acc ident, resulting in
death or serious injury.
■ When installing the driver’s floor mat
● Do not use floor mats designed for other models or different mo del year
vehicles, even if they are Toyota Genuine floor mats.
● Only use floor mats designed for the driver’s seat.
● Always install the floor mat securely using the retaining hooks (clips) pro-
vided.
● Do not use two or more floor mats on top of each other.
● Do not place the floor mat bottom-side up or upside-down.
■ Before driving
● Check that the floor mat is securely
fixed in the correct place with all the
provided retaining hooks (clips). Be
especially careful to perform this check
after cleaning the floor.
● With the engine stopped and the shift
lever in P, fully depress each pedal to
the floor to make sure it does not inter-
fere with the floor mat.

751-1. For safe use
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For safety and security
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Exhaust gas precautions
Harmful substance to the human body is included in exhaust
gases if inhaled.
WARNING
Exhaust gases contain harmful carbon monoxide (CO), which is colorless and
odorless. Observe the following precautions.
Failure to do so may cause exhaust gases to enter the vehicle a nd may lead
to an accident caused by light-headedness, or may lead to death or a serious
health hazard.
■ Important points while driving
● Keep the back door closed.
● If you smell exhaust gases in the vehicle even when the back do or is
closed, open the windows and have the vehicle inspected at your Toyota
dealer as soon as possible.
■ When parking
● If the vehicle is in a poorly ventilated area or a closed area, such as a
garage, stop the engine.
● Do not leave the vehicle with the engine on for a long time.
If such a situation cannot be avoided, park the vehicle in an o pen space
and ensure that exhaust fumes do not enter the vehicle interior .
● Do not leave the engine running in an area with snow build-up, or where it
is snowing. If snowbanks build up around the vehicle while the engine is
running, exhaust gases may collect and enter the vehicle.
■ Exhaust pipe
The exhaust system needs to be checked periodically. If there is a hole or
crack caused by corrosion, damage to a joint or abnormal exhaust noise, be
sure to have the vehicle inspected and repaired by your Toyota dealer.

902. Instrument cluster
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*1: These lights turn on when the engine switch is turned to ON to indicate thata system check is being performed. They will turn off after the engine is
started, or after a few seconds. There may be a malfunction in a system if
the lights do not come on, or do not turn off. Have the vehicle inspected by
your Toyota dealer.
*2: The light illuminates on the multi-information display.
*3: The light comes on to indicate a malfunction.
Low fuel level warning
light ( P. 472)*1
Tire pressure warning
light (P. 472)
*1
Seat belt reminder light
(P. 472)*1
Master warning light
(P. 472)

922. Instrument cluster
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*1: These lights turn on when the engine switch is turned to ON to indicate thata system check is being performed. They will turn off after the engine is
started, or after a few seconds. There may be a malfunction in a system if
the lights do not come on, or do not turn off. Have the vehicle inspected by
your Toyota dealer.
*2: This light illuminates on the multi-information display.
*3: The light flashes to indicate that the system is operating.
*4: In order to confirm operation, the BSM outside rear view mirro r indicators
illuminate in the following situations:
• When the engine switch is turned to ON, the BSM function is en abled on
the screen of the multi-information display.
• When the BSM function is enabled on the screen of the multi-infor- mation display, the engine switch is turned to ON.
If the system is functioning correctly, the BSM outside rear vi ew mirror
indicators will turn off after a few seconds.
If the BSM outside rear view mirror indicators do not illuminat e or do not
turn off, there may be a malfunction in the system.
If this occurs, have the vehicle inspected by your Toyota deale r.
*5: This light illuminates on the center panel.
*6: This light turns on when the system is off.
(if equipped)
High speed four-wheel
drive indicator (P. 3 1 5 )
*1, 5
“AIR BAG ON/OFF” indi-
cators (P. 51)
(if equipped)
Low speed four-wheel
drive indicator ( P. 3 1 5 )
(if equipped)
“TOW/HAUL” indicator
(P. 222)
(if equipped)
Center differential lock
indicator ( P. 315)*2Low outside tempera-
ture indicator ( P. 94)
*1
(if equipped)
“AUTO LSD” indicator
(P. 320, 323)

972. Instrument cluster
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Instrument cluster
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WARNING
■The information display at low temperatures
Allow the interior of the vehicle to warm up before using the liquid crystal
information display. At extremely low temperatures, the information display
monitor may respond slowly, and display changes may be delayed.
For example, there is a lag between the driver’s shifting and t he new gear
number appearing on the display. This lag could cause the drive r to down-
shift again, causing rapid and excessive engine braking and pos sibly an
accident resulting in personal death or injury.
NOTICE
■ To prevent damage to the engine and its components
● Do not let the indicator needle of the tachometer enter the red zone, which
indicates the maximum engine speed.
● The engine may be overheating if the engine coolant temperature gauge is
in the red zone (H). In this case, immediately stop the vehicle in a safe
place, and check the engine after it has cooled completely. ( P. 513)
■ Vo l t m e t e r
When the voltmeter indicates 19 V or higher or 9 V or lower whi le the engine
is running, there may be a battery or charging system malfunction. Have the
vehicle inspected at your Toyota dealer.
■ Engine oil pressure gauge
When the value of the engine oil pressure gauge drops while the engine is
running, stop the vehicle in a safe place immediately and check the amount
of engine oil. ( P. 416)
When the oil pressure drops even though the engine oil amount h as not
decreased, or if the oil pressure does not increase when engine oil is
added, contact your Toyota dealer, as there may be a problem wi th the lubri-
cation system.

1002. Instrument cluster
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●Average speed (Average Speed*/Trip Average Speed)
Displays the average since engine was started or the average si nce
the function was reset, respectively
● Elapsed Time (Total Time
*/Trip Time)
Displays the engine was started or the elapsed time since the func-
tion was reset, respectively
● Digital speedometer
● Display off
A blank screen is displayed
*: Resetting procedures:
• Select a function to be reset using the meter control switch a nd then
press and hold the center button to reset.
• If there is more than one function that can be reset, check bo xes will be
displayed next to the functions.
The settings of the following items can be changed, refer to P. 546.
For functions that can be enabled or disabled, the function swi tches
between on and off each time is pressed.
● LDA (Lane Departure Alert) ( P. 549)
• LDA Sensitivity
Select to set up the LDA (Lane Departure Alert) sensitivity.
• Sway warning
Select to enable/disable the sway warning function.
• Sway warning sensitivity
Select to set up the sway warning sensitivity.
● PCS (Pre-Collis ion System) (P. 549)
•PCS
Select to enable/disable the PCS (Pre-Collision System) function.
• Sensitivity
Select to set up the PCS (Pre-Collision System) sensitivity.
● BSM (Blind Spot Monitor) ( P. 5 5 0 )
Select to enable/disable the Blind Spot Monitor function.
● RCTA (Rear Cross Traffic Alert) ( P. 550)
Select to enable/disable the Rear Cross Traffic Alert function.
Settings display