2021 TOYOTA 4RUNNER fuel

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4RUNNER (U)4-1. Before driving
Driving the vehicle ............. 176
Cargo and luggage............ 186
Vehicle load limits ............. 191
Trailer towing..................... 192
Dinghy towing.................... 208
4-2. Driving procedures Engine (ignition) switch (vehicles without a
smart key system) ........... 209
Engine (ignition) switch (vehicles with a
smart key system) ........... 212
Automatic transmission ..... 218
Turn signal lever................ 223
Parking brake .................... 224
4-3. Operating the lights and wipers
Headlight switch ................ 225
Automatic High Beam ....... 230
Fog light switch ................. 234
Windshield wipers and washer ............................ 236
Rear window wiper and washer ............................ 239 4-4. Refueling
Opening the fuel tank cap................................... 242
4-5. Using the driving support systems
Toyota Safety Sense P ...... 245
PCS (Pre-Collision System) ........................... 254
LDA (Lane Departure Alert) ................................ 264
Dynamic radar cruise control.............................. 272
Intuitive parking assist ....... 285
Four-wheel drive system (part-time 4WD
models)............................ 292
Four-wheel drive system (full-time 4WD
models)............................ 296
Active traction control system ............................. 300
AUTO LSD system (2WD models) ................. 302
Rear differential lock system ............................. 304
Downhill assist control system ............................. 307
Crawl Control ..................... 310
Multi-terrain Select............. 313
Driving assist systems ....... 320
4-6. Driving tips Winter driving tips .............. 329
Off-road precautions .......... 333
4Driving

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4RUNNER (U)6-1. Maintenance and care
Cleaning and protecting the vehicle exterior .......... 392
Cleaning and protecting the vehicle interior ........... 395
6-2. Maintenance Maintenance requirements ................... 398
General maintenance ........ 400
Emission inspection and maintenance (I/M)
programs ......................... 403
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 404
Hood.................................. 407
Engine compartment ......... 408
Tires .................................. 422
Tire inflation pressure........ 436
Wheels .............................. 439
Air conditioning filter .......... 441
Wireless remote control/ electronic key
battery ............................. 443
Checking and replacing fuses ............................... 446
Light bulbs ......................... 449 7-1. Essential information
Emergency flashers ........... 462
If your vehicle has to be stopped in an
emergency....................... 463
If the vehicle is trapped in rising water ...................... 465
7-2. Steps to take in an emergency
If your vehicle needs to be towed .......................... 466
If you think something is wrong............................... 472
Fuel pump shut off system ............................. 473
If a warning light turns on or a warning buzzer
sounds ............................. 474
If a warning message is displayed ......................... 484
If you have a flat tire .......... 489
If the engine will not start ................................. 504
If you cannot operate back door opener ............ 506
If the electronic key does not operate properly
(vehicles with a smart
key system) ..................... 507
If the vehicle battery is discharged ....................... 510
If your vehicle overheats......................... 514
If the vehicle becomes stuck ................................ 517
6Maintenance and care7When trouble arises

TABLE OF CONTENTS6
4RUNNER (U)8-1. Specifications
Maintenance data (fuel, oil level, etc.) .......... 520
Fuel information ................ 530
Tire information ................. 533
8-2. Customization Customizable features ...... 545
8-3. Items to initialize Items to initialize................ 558 Reporting safety defects
for U.S. owners ........................ 560
Seat belt instructions for Canadian owners
(in French)................................ 561
SRS airbag instructions for Canadian owners
(in French)................................ 563
8Vehicle specifications9For owners

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4RUNNER (U)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 malfunction.
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.
The 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
● 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.
For your infor mation
Main Owner’s Manual
Noise from under vehicle afte r turning off the engine
Accessories, spare parts and m odification of your Toyota
Installation of a mobile two-way radio system

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4RUNNER (U)
Pictorial index
Pictorial index
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Exterior
Side doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 110
Locking/unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 110
Opening/closing the door glasses . . . . . . . . . . . . . . . . . . . . . . P. 162
Locking/unlocking by using the mechanical key
* . . . . . . . . . . P. 507
Warning lights/warning messages . . . . . . . . . . . . . . . . . . P. 476, 484
Back door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 131
Locking/unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 131
Opening/closing the door glasses . . . . . . . . . . . . . . . . . . . . . . P. 166
Warning lights/warning messages . . . . . . . . . . . . . . . . . . P. 476, 484
Outside rear view mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 160
Adjusting the mirror angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 160
Folding the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 160
Defogging the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 342, 349
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 236
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 329
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 242
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 242
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 522
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411-1. For safe use
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For safety and security
4RUNNER (U)
■If the SRS airbags deploy (inflate)
●Slight abrasions, burns, bruising etc., may be sustained from S RS airbags,
due to the extremely high speed deployment (inflation) by hot g ases.
● A loud noise and white powder will be emitted.
● Parts of the airbag module (steering wheel hub, airbag cover an d inflator) as
well as the front seats, parts of the front and rear pillars, and roof side rails
may be hot for several minutes. The airbag itself may also be h ot.
● The windshield may crack.
● Fuel supply to the engine will be stopped. ( P. 473)
● For Safety Connect subscribers, if any of the following situations occur, the
system is designed to send an emergency call to the response center, noti-
fying them of the vehicle's location (without needing to push t he “SOS” but-
ton) and an agent will attempt to speak with the occupants to a scertain the
level of emergency and assistance required. If the occupants are unable to
communicate, the agent automatically treats the call as an emer gency and
helps to dispatch the necessary emergency services. ( P. 70)
• An SRS airbag is deployed.
• A seat belt pretensioner is activated.
• The vehicle is involved in a severe rear-end collision.
• The vehicle is involved in a rollover accident.
WARNING
■ Modification and disposal of SRS airbag system components
Do not dispose of your vehicle or perform any of the following modifications
without consulting your Toyota dealer. The SRS airbags may malfunction or
deploy (inflate) accidentally, causing death or serious injury.
● Installation, removal, disassembly and repair of the SRS airbag s
● Repairs, modifications, removal or replacement of the steering wheel,
instrument panel, dashboard, seats or seat upholstery, front, s ide and rear
pillars or roof side rails
● Repairs or modifications of the front fender, front bumper, or side of the
occupant compartment
● Installation of a grill guard (bull bars, kangaroo bar etc.), s now plows,
winches or roof luggage carrier.
● Modifications to the vehicle’s suspension system
● Installation of electronic devices such as mobile two-way radio s and CD
players
● Modifications to your vehicle for a person with a physical disa bility

741-2. Emergency assistance
4RUNNER (U)■
Enhanced Roadside Assistance
Enhanced Roadside As
sistance adds GPS data to the already
included warranty-based Toyota roadside service.
Subscribers can press the “SOS” button to reach a Safety Connec t
response-center agent, who can he lp with a wide range of needs,
such as: towing, flat tire, fuel delivery, etc. For a description of the
Enhanced Roadside Assistance se rvices and their limitations,
please see the Safety Connect Te rms and Conditions, which are
available at Toyota.com in the United States, Toyotapr.com in
Puerto Rico and Toyota.ca in Canada.
Important! Read this informatio n before using Safety Connect.
■Exposure to radio frequency signals
The Safety Connect system installed in your vehicle is a low-po wer
radio transmitter and receiver. I t receives and also sends out radio
frequency (RF) signals.
In August 1996, the Federal Communications Commission (FCC)
adopted RF exposure guidelines with safety levels for mobile wi re-
less phones. Those guidelines are consistent with the safety stan-
dards previously set by the following U.S. and international
standards bodies.
● ANSI (American National Stand ards Institute) C95.1 [1992]
● NCRP (National Council on Radi ation Protection and Measure-
ment) Report 86 [1986]
● ICNIRP (International Commission on Non-Ionizing Radiation
Protection) [1996]
Those standards were based on comprehensive and periodic eval-
uations of the relevant scienti fic literature. Over 120 scientists, engi-
neers, and physicians from unive rsities, and government health
agencies and industries reviewed the available body of research to
develop the ANSI Standard (C95.1).
The design of Safety Connect complies with the FCC guidelines i n
addition to those standards.
Safety information for Safety Connect

842. Instrument cluster
4RUNNER (U)
*1: These lights turn on when the engine switch is turned to IGNITION ON
mode (vehicles with a smart key system) or the engine switch is turned to
the “ON” position (vehicles without a smart key system) to indi cate that a
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 flashes to indicate a malfunction.
*3: This light flashes rapidly to indicate a malfunction.
*4: This light flashes continuously to indicate a malfunction.
*5: This light illuminates on the multi-information display.
*6: This light flashes or illuminates to indicate a malfunction.
*1, 6PCS warning light
( P. 478)*1Power steering warning
light ( P. 476)
*5
(Amber)
LDA indicator ( P. 478)
*1Master warning light
(P. 484)
Open door warning light
(P. 476)*1Tire pressure warning
light ( P. 478)
Low fuel level warning
light (P. 477)
(if equipped)
Unengaged “Park” warn-
ing light ( P. 476)
Seat belt reminder light
(P. 477)*1
(if equipped)
KDSS warning light
(P. 476)
*5
Low engine oil pressure
warning light ( P. 474)*1, 2
(if equipped)
Automatic running
boards indicator light
(P. 476)