2023 TOYOTA 4RUNNER engine

TABLE OF CONTENTS2
4RUNNER (U)For your information....................... 8
Reading this manual .................... 14
How to search .............................. 15
Pictorial index .............................. 16
1-1. For safe use
Before driving ...................... 28
For safe driving ................... 30
Seat belts ............................ 32
SRS airbags ........................ 37
Front passenger occupant classification system ......... 48
Safety information for children ............................. 54
Child restraint systems ........ 55
Installing child restraints ...... 59
Exhaust gas precautions ..... 71
1-2. Emergency assistance Safety Connect.................... 72
1-3. Theft deterrent system Engine immobilizer system............................... 78
Alarm ................................... 79
2. Instrument cluster Warning lights and indicators........................... 82
Gauges and meters............. 88
Multi-information display ..... 90 3-1. Key information
Keys................................... 102
Side doors ......................... 106
3-2. Opening, closing and locking the doors
Smart key system .............. 113
Automatic running boards ............................. 121
Back door .......................... 124
3-3. Adjusting the seats Front seats......................... 129
Rear seats ......................... 132
Driving position memory .... 142
Head restraints .................. 146
3-4. Adjusting the steering wheel and mirrors
Steering wheel ................... 149
Inside rear view mirror ....... 151
Outside rear view mirrors ............................. 153
3-5. Opening, closing the windows and moon roof
Power windows.................. 155
Power back window ........... 158
Moon roof .......................... 161
1For safety and security
2Instrument cluster
3Operation of
each component

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4RUNNER (U)4-1. Before driving
Driving the vehicle ............. 166
Cargo and luggage............ 176
Vehicle load limits ............. 181
Trailer towing..................... 182
Dinghy towing.................... 198
4-2. Driving procedures Engine (ignition) switch ..... 199
Automatic transmission ..... 205
Turn signal lever................ 210
Parking brake .................... 211
4-3. Operating the lights and wipers
Headlight switch ................ 212
AHB (Automatic High Beam) ............................. 217
Fog light switch ................. 221
Windshield wipers and washer ............................ 223
Rear window wiper and washer ............................ 226
4-4. Refueling Opening the fuel tank cap .................................. 229 4-5. Using the driving
support systems
Toyota Safety Sense P ...... 232
PCS (Pre-Collision System) ........................... 239
LDA (Lane Departure Alert) ................................ 249
Dynamic radar cruise control.............................. 257
BSM (Blind Spot Monitor) ........................... 270
Intuitive parking assist ....... 277
RCTA (Rear Cross Traffic Alert) ..................... 286
Four-wheel drive system (part-time
4WD models)................... 294
Four-wheel drive system (full-time
4WD models)................... 298
Active traction control system ............................. 302
AUTO LSD system (2WD models) ................. 304
Rear differential lock system ............................. 306
Downhill assist control system ............................. 309
Crawl Control ..................... 312
Multi-terrain Select............. 315
Driving assist systems ....... 322
4-6. Driving tips Winter driving tips .............. 331
Off-road precautions .......... 335
4Driving

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4RUNNER (U)6-1. Maintenance and care
Cleaning and protecting the vehicle exterior .......... 396
Cleaning and protecting the vehicle interior ........... 400
6-2. Maintenance Maintenance requirements ................... 403
General maintenance ........ 405
Emission inspection and maintenance (I/M)
programs ......................... 408
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 409
Hood.................................. 412
Engine compartment ......... 413
Tires .................................. 427
Tire inflation pressure........ 440
Wheels .............................. 443
Air conditioning filter .......... 445
Electronic key battery ........ 447
Checking and replacing fuses ............................... 450
Light bulbs ......................... 453 7-1. Essential information
Emergency flashers ........... 466
If your vehicle has to be stopped in
an emergency.................. 467
If the vehicle is submerged or water
on the road is rising ......... 468
7-2. Steps to take in an emergency
If your vehicle needs to be towed ...................... 469
If you think something is wrong ........................... 475
Fuel pump shut off system ............................. 476
If a warning light turns on or a warning
buzzer sounds ................. 477
If a warning message is displayed...................... 488
If you have a flat tire .......... 493
If the engine will not start ................................. 509
If you cannot operate back door opener ............ 511
If the electronic key does not operate
properly ........................... 512
If the vehicle battery is discharged ................... 515
If your vehicle overheats......................... 519
If the vehicle becomes stuck ................................ 522
6Maintenance and care7When trouble arises

8
4RUNNER (U)Please note that this manual applies to all models and explains
all equipment,
including options. Therefore, you may find explanations for equ ipment not
installed on your vehicle and the illustrations used may differ from your vehi-
cle.
All specifications provided in this manual are current at the t ime of printing.
Over time, your vehicle may receive updates that modify the veh icle and
make material in this manual incomplete and/or inaccurate. Beca use of Toy-
ota's interest in continual product improvement, Toyota reserves the right to
make changes to this manual at any time without notice.
If Toyota chooses to update the manual, updated versions can be viewed by
selecting your vehicle by model and year at the following URL o r on your
mobile device if you have access to the Toyota app.
www.toyota.com/owners
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.
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

9
4RUNNER (U)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
● 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 camerasYour vehicle is equipped with cameras. Contact your Toyota deal er for the
location of recording cameras.
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.
●Data usage
Toyota may use the data recorded in this computer to diagnose m alfunc-
tions, conduct research and development, and improve quality.
Toyota will not disclose the recorded data to a third party exc ept:
• With the consent of the vehicle owner or with the consent of the lessee if the vehicle is leased
• In response to an official request by the police, a court of l aw or a govern-
ment agency
• For use by Toyota in a lawsuit
• For research purposes where the data is not tied to a specific vehicle or
vehicle owner
●Recorded image information can be erased by your Toyota dealer.
The image recording function can be disabled. However, if the f unction is
disabled, data from when the system operates will not be available.
Installation of a mobile two-way radio system
Vehicle data recording

17Pictorial index
4RUNNER (U)
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 427
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . P. 532
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 331
Checking/rotation/tire pressur e warning system . . . . . . . . .P. 427
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 493
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 412
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 412
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 527
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 519
Headlights/daytime running lights . . . . . . . . . . . . . . . . . . . . P. 212
Front side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 212
Front turn signal/parking lights . . . . . . . . . . . . . . . . . . . . . . P. 212
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 221
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 210
Stop/tail lights/rear side marker lights . . . . . . . . . . . . . . . . P. 212
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 212
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 205
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Light bulbs of the exterior lights for driving
(Replacing method: P. 453, Wattages: P. 533)
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18Pictorial index
4RUNNER (U)
■Instrument panel
Engine switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 199
Starting the engine/changing the modes . . . . . . . . . . . . . . . . . P. 199
Emergency stop of the engine . . . . . . . . . . . . . . . . . . . . . . . . . P. 467
When the engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . P. 509
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 488
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 205
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 205
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 469
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . P. 208
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 88
Reading the meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 88
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . P. 82
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . P. 4771
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For safety and security1
4RUNNER (U)1-1. For safe use
Before driving ...................... 28
For safe driving ................... 30
Seat belts ............................ 32
SRS airbags ........................ 37
Front passenger occupant classification system ......... 48
Safety information for children ............................. 54
Child restraint systems........ 55
Installing child restraints...... 59
Exhaust gas precautions..... 71
1-2. Emergency assistance Safety Connect ................... 72
1-3. Theft deterrent system Engine immobilizer system .............................. 78
Alarm................................... 79