2021 TOYOTA 4RUNNER warning light

4RUNNER (U)
Pictorial indexSearch by illustration
1For safety
and securityMake sure to read through them
2Instrument
clusterHow to read the gauges and meters, the variety of
warning lights and indicators, etc.
3
Operation of
each
componentOpening and closing the doors and windows,
adjustment before driving, etc.
4DrivingOperations and advice which are necessary for
driving
5Interior featuresUsage of the interior features, etc.
6Maintenance
and careCaring for your vehicle and maintenance
procedures
7When trouble
arisesWhat to do in case of malfunction or emergency
8Vehicle
specificationsVehicle specifications, customizable features, etc.
9For ownersReporting safety defects for U.S. owners, and seat
belt and SRS airbag instructions for Canadian
owners
IndexSearch by symptom
Search alphabetically

TABLE OF CONTENTS2
4RUNNER (U)For your information....................... 8
Reading this manual .................... 12
How to search .............................. 13
Pictorial index .............................. 14
1-1. For safe use
Before driving ...................... 26
For safe driving ................... 28
Seat belts ............................ 30
SRS airbags ........................ 35
Front passenger occupant classification system ......... 46
Safety information for children ........................ 52
Child restraint systems ........ 53
Installing child restraints ...... 57
Exhaust gas precautions ..... 69
1-2. Emergency assistance Safety Connect.................... 70
1-3. Theft deterrent system Engine immobilizer system............................... 76
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 ......................... 110
3-2. Opening, closing and locking the doors
Smart key system .............. 118
Automatic running boards ............................. 128
Back door .......................... 131
3-3. Adjusting the seats Front seats......................... 136
Rear seats ......................... 139
Driving position memory ........................... 149
Head restraints .................. 153
3-4. Adjusting the steering wheel and mirrors
Steering wheel ................... 156
Inside rear view mirror ....... 158
Outside rear view mirrors ............................. 160
3-5. Opening, closing the windows and
moon roof
Power windows.................. 162
Power back window ........... 166
Moon roof .......................... 170
1For safety and security
2Instrument cluster
3Operation of
each component

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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

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4RUNNER (U)
Pictorial index
Pictorial index
■
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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4RUNNER (U)
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 422
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . P. 528
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 329
Checking/rotation/tire pressur e warning system . . . . . . . . .P. 422
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 489
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 407
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 407
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 523
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 514
Headlights/daytime running lights . . . . . . . . . . . . . . . . . . . . P. 225
Front side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 225
Front turn signal/parking lights . . . . . . . . . . . . . . . . . . . . . . P. 225
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 234
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 223
Stop/tail lights/rear side marker lights . . . . . . . . . . . . . . . . P. 225
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 225
Back-up lights
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 218
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Light bulbs of the exterior lights for driving
(Replacing method: P. 449, Wattages: P. 529)
*: Vehicles with a smart key system
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16Pictorial index
4RUNNER (U)
■Instrument panel
Engine switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 209, 212
Starting the engine/changing the modes . . . . . . . . . . . . . P. 209, 212
Emergency stop of the engine . . . . . . . . . . . . . . . . . . . . . . . . . P. 463
When the engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . P. 504
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 484
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 218
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 218
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 466
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . P. 221
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 88
Reading the meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 88
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . P. 82
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . P. 4741
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4RUNNER (U)Multi-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 90
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 90
When the warning messages are displayed . . . . . . . . . . . . . . P. 484
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 224
Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 224
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 330
Warning buzzer/message . . . . . . . . . . . . . . . . . . . . . . . . P. 474, 484
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 223
Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 225
Headlights/parking lights/tail lights/daytime running lights . .
. . P. 225
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 234
Windshield wiper and washer switch . . . . . . . . . . . . . . . . . P. 236
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 236
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 420
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . P. 462
Hood lock release lever. . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 407
Tilt and telescopic steering lock release lever . . . . . . . . . . P. 156
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . P. 340, 347
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 340, 347
Rear window defogger . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 342, 349
Audio/Navigation system
*
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 373
*: Refer to “NAVIGATION AND MULT IMEDIA SYSTEM OWNER’S MANUAL”.
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331-1. For safe use
1
For safety and security
4RUNNER (U)
WARNING
■People suffering illness
Obtain medical advice and wear the seat belt in the proper way. (P. 30)
■ When children are in the vehicle
Do not allow children to play with the seat belt. If the seat belt becomes
twisted around a child’s neck, it may lead to choking or other serious injuries
that could result in death.
If this occurs and the buckle cannot be unfastened, scissors sh ould be used
to cut the belt.
■ Seat belt pretensioners
● Do not place anything, such as a cushion, on the front passenge r's seat.
Doing so will disperse the passenger's weight, which prevents t he sensor
from detecting the passenger's weight properly. As a result, th e seat belt
pretensioner for the front passenger's seat may not activate in the event of
a collision.
● If the pretensioner has activated, the SRS warning light will c ome on. In
that case, the seat belt cannot be used again and must be replaced at
your Toyota dealer.
■ Adjustable shoulder anchor
Always make sure the shoulder belt is positioned across the cen ter of your
shoulder. The belt should be kept away from your neck, but not falling off
your shoulder. Failure to do so could reduce the amount of prot ection in an
accident and cause death or serious injuries in the event of a sudden stop,
sudden swerve or accident. ( P. 30)