2021 TOYOTA 4RUNNER fog light

3445-1. Using the air conditioning system and defogger
4RUNNER (U)
■Fogging up of the windows
●The windows will easily fog up when the humidity in the vehicle is high.
Turning on will dehumidify the air from the outlets and defog the wind-
shield effectively.
● If you turn off, the windows may fog up more easily.
● The windows may fog up if the recirculated air mode is used.
■ When driving on dusty roads
Close all windows. If dust thrown up by the vehicle is still drawn into the vehi-
cle after closing the windows, it is recommended that the air intake mode be
set to outside air mode and the fan speed to any setting except off.
■ Outside/recirculated air mode
Setting to the recirculated air mode temporarily is recommended in prevent-
ing dirty air from entering the vehicle interior and helping to cool the vehicle
when the outside air temperature is high.
■ When the outside temperature exceeds 75°F (24°C) and the air co ndition-
ing system is on
● In order to reduce the air conditioning power consumption, the air condition-
ing system may switch to recirculated air mode automatically. This may also
reduce fuel consumption.
● Recirculated air mode is selected as a default mode when the en gine switch
is turned to the “ON” position (vehicles without a smart key system) or the
engine switch is turned to IGNITION ON mode (vehicles with a sm art key
system).
● It is possible to switch to outside air mode at any time by pre ssing
.
■When the indicator light on flashes
Press
to turn off the cooling and dehumidification function and turn it on
again. There may be a problem in the air conditioning system if the indicator
light continues to flash. Turn the air conditioning system off and have it
inspected by your Toyota dealer.

3525-1. Using the air conditioning system and defogger
4RUNNER (U)■
Fogging up of the windows
●The windows will easily fog up when the humidity in the vehicle is high.
Turning on will dehumidify the air from the outlets and defog the wind-
shield effectively.
● If you turn off, the windows may fog up more easily.
● The windows may fog up if the recirculated air mode is used.
■ When driving on dusty roads
Close all windows. If dust thrown up by the vehicle is still drawn into the vehi-
cle after closing the windows, it is recommended that the air intake mode be
set to outside air mode and the fan speed to any setting except off.
■ Outside/recirculated air mode
●Setting to the recirculated air mode temporarily is recommended in prevent-
ing dirty air from entering the vehicle interior and helping to cool the vehicle
when the outside air temperature is high.
● Outside/recirculated air mode may automatically switch dependin g on the
temperature setting, outside temperature, pressure, engine cool ant tem-
perature or inside temperature.
■ When the outside temperature exceeds 75°F (24°C) and the air co ndition-
ing system is on
● In order to reduce the air conditioning power consumption, the air condition-
ing system may switch to recirculated air mode automatically. This may also
reduce fuel consumption.
● Recirculated air mode is selected as a default mode when the en gine switch
is turned to the “ON” position (vehicles without a smart key system) or the
engine switch is turned to IGNITION ON mode (vehicles with a sm art key
system).
● It is possible to switch to outside air mode at any time by pre ssing
.
■When the outside tempera ture falls to nearly 32F (0 C)
The dehumidification function may not operate even when is pre ssed.
■ When driving on dusty roads
Close all windows. If dust thrown up by the vehicle is still drawn into the vehi-
cle after closing the windows, it is recommended that the air intake mode be
set to outside air mode and the fan speed to any setting except off.
■ When the indicator light on flashes
Press
to turn off the cooling and dehumidification function and turn it on
again. There may be a problem in the air conditioning system if the indicator
light continues to flash. Turn the air conditioning system off and have it
inspected by your Toyota dealer.

3565-1. Using the air conditioning system and defogger
4RUNNER (U)
Vehicles with ventilator
Press the knob to release it,
and turn the knob to the desired
temperature setting.
OFF
Press the knob to lock it when not
in use.
Ventilation
Heat
Vehicles without ventilator
On
The indicator light comes on.
Adjusts the seat temperature
The further you move the dial for-
ward, the warmer the seat
becomes.
Off
Move the dial fully backward. The
indicator light turns off.
■The seat heaters/seat ventilators can be used when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The engine switch is in IGNITION ON mode.
Seat heaters/ventilators
1
2
3
4
1
2
3

3976-1. Maintenance and care
6
Maintenance and care
4RUNNER (U)
NOTICE
■Cleaning detergents
● Do not use the following types of detergent, as they may discol or the vehi-
cle interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasol ine,
alkaline or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alco-
hol
● Do not use polish wax or polish cleaner. The instrument panel’s or other
interior part’s painted surface may be damaged.
■ Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
● Remove any dust or dirt from leather surfaces immediately.
● Do not expose the vehicle to direct sunlight for extended perio ds of time.
Park the vehicle in the shade, especially during summer.
● Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats
up significantly.
■ Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if wate r comes
into contact with electrical components such as the audio syste m above or
under the floor of the vehicle. Water may also cause the body to rust.
■ When cleaning the inside of the windshield
Do not allow glass cleaner to contact the lens. Also, do not to uch the lens.
( P. 246)
■ Cleaning the inside of the rear quarter windows and back window
● Do not use glass cleaner to clean the rear quarter windows and back win-
dow, as this may cause damage to the rear window defogger heate r wires
or antenna. Use a cloth dampened with lukewarm water to gently wipe the
window clean. Wipe the window i n strokes running parallel to the heater
wires or antenna.
● Be careful not to scratch or damage the heater wires or antenna .

4596-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replac
ed by
your Toyota dealer.
● Headlight low beams (if equipped)
● Headlight low/high beams (if equipped)
● Fog lights
● Side turn signal lights
● Stop/tail lights
● Rear side marker lights
● High mounted stoplight
● Outer foot lights (if equipped)
■LED light bulbs
The headlight low beams (if equipped), headlight low/high beams (if
equipped), fog lights, side turn signal lights, stop/tail light s, rear side marker
lights, high mounted stoplight and outer foot lights consist of a number of
LEDs. If any LEDs burn out, take your vehicle to your Toyota de aler to have
the light replaced.
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the lens does not indicate a
malfunction. Contact your Toyota dealer for more information in the following
situations:
● Large drops of water have built up on the inside of the lens.
● Water has built up inside the lens.
WARNING
■Replacing light bulbs
● Turn off the lights. Do not attempt to replace the bulb immedia tely after
turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clea n dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Fa ilure to do so
may result in heat damage, fire, or water entering the headligh t unit. This
may damage the headlights or cause condensation to build up on the lens.
■ To prevent damage or fire
● Make sure bulbs are fully seated and locked.
● Check the wattage of the bulb before installing to prevent heat damage.

581Alphabetical index
4RUNNER (U)
Child safety ................................ 52Airbag precautions .................. 37
Back door precautions .......... 133
Battery precautions ....... 418, 513
Child restraint system ............. 53
How your child should
wear the seat belt ................. 31
Installing child restraints ......... 57
Moon roof precautions .......... 173
Power window lock switch .... 162
Power window precautions ... 165
Rear door child-protectors .... 114
Removed electronic key battery precautions ...... 445
Seat belt extender precautions ........................... 34
Seat belt precautions .............. 56
Seat heater precautions........ 355
Child-protectors....................... 114
Cleaning ........................... 392, 395 Exterior ................................. 392
Interior................................... 395
Seat belts .............................. 396
Wheels and wheel ornaments .......................... 393
Clock ......................................... 373
Compass .................................... 92
Condenser ................................ 414
Console box ............................. 361
Cooling system Engine overheating ............... 514
Crawl Control ........................... 310
Cruise control Dynamic radar cruise control................................. 272
Cup holders.............................. 362
Curtain shield airbags ............... 35
Customizable features ............ 545 Daytime running light
system.................................... 228
Defogger Front windshield ................... 349
Outside rear view
mirrors ........................ 342, 349
Rear window ................. 342, 349
Dimension ................................ 520
Dinghy towing.......................... 208
Display Dynamic radar cruise control ................................ 272
LDA
(Lane Departure Alert) ....... 264
Multi-information display ......... 90
Trip information....................... 90
Warning message................. 484
Do-it-yourself maintenance .... 404
Door courtesy lights Wattage ................................ 529
Doors Automatic door locking
and unlocking system......... 115
Back door ............................. 131
Door lock ...................... 113, 132
Door windows ....................... 162
Open door warning buzzer ... 120
Open door warning light ....... 476
Outside rear view mirrors ..... 160
Rear door child-protector ...... 114
Side doors ............................ 110
Downhill assist control
system.................................... 307
Drive-Start Control .................. 177
Driver’s seat position memory .................................. 149D

582Alphabetical index
4RUNNER (U)
Driving ...................................... 176Break-in tips .......................... 178
Correct driving posture ........... 28
Driving assist systems .......... 320
Off-road precautions ............. 333
Procedures ........................... 176
Winter drive tips .................... 329
Dynamic radar cruise
control .................................... 272
Eco Driving Indicator ................ 97
EDR (Event data recorder) ........ 10
Electronic key .......................... 102 Battery-saving function ......... 121
If the electronic key does not operate properly ................. 507
Replacing the battery ............ 443
Emergency, in case of
If the electronic key does not operate
properly .............................. 507
If the engine will not start ...... 504
If the vehicle battery is discharged .......................... 510
If the warning buzzer sounds ................................ 474
If the warning light turns on ....................................... 474
If a warning message is displayed......................... 484
If you cannot operate
back door opener ............... 506
If you have a flat tire ............. 489
If you think something is wrong .............................. 472
If your vehicle becomes stuck ................................... 517
If your vehicle has to be stopped in an emergency ... 463
If your vehicle needs
to be towed ......................... 466
If your vehicle overheats ....... 514 Emergency flashers ................ 462
Engine
ACCESSORY mode ............. 213
Compartment ........................ 408
Engine switch ............... 209, 212
Hood ..................................... 407
How to start the engine ........................ 209, 212
Identification number ............ 521
If the engine will not start ...... 504
Ignition switch (engine switch) ........... 209, 212
Overheating .......................... 514
Engine coolant......................... 412
Capacity................................ 524
Checking............................... 412
Preparing and checking before winter ...................... 329
Engine coolant temperature gauge ....................................... 88
Engine immobilizer system ...... 76
Engine oil ................................. 410 Capacity................................ 523
Checking............................... 410
Preparing and checking
before winter ...................... 329
Engine switch .................. 209, 212
Event data recorder (EDR)........ 10
Flat tire ..................................... 489
Floor mats .................................. 26
Fluid
Automatic transmission ........ 527
Brake .................................... 527
Power steering...................... 528
Washer ................................. 420
Fog lights ................................. 234
Replacing light bulbs ............ 449
Switch ................................... 234
Wattage ................................ 529
Four-wheel drive system............................ 292, 296
E
F

585Alphabetical index
4RUNNER (U)
LATCH anchors ......................... 59
LeverAuxiliary catch lever .............. 407
Hood lock release lever ........ 407
Shift lever .............................. 218
Turn signal lever ................... 223
Wiper lever.................... 236, 239
License plate lights ................. 225 Light switch ........................... 225
Replacing light bulbs............. 458
Wattage ................................ 529
Light bulbs Replacing .............................. 451
Wattage ................................ 529
Lights Automatic High Beam
system ......... ....................... 230
Fog light switch ..................... 234
Front Interior light.................. 358
Headlight switch.................... 225
Interior lights list .................... 357
Luggage compartment lights ................................... 133
Personal lights ...................... 358
Rear interior light .................. 358
Replacing light bulbs............. 451
Turn signal lever ................... 223
Vanity lights .......................... 372
Wattage ................................ 529
Limited slip differential ........... 321
Load capacity........................... 191
Lock steering column ........................... 210, 215
Luggage compartment features .................................. 367 Maintenance
Do-it-yourself maintenance... 404
General maintenance ........... 400
Maintenance data ................. 520
Maintenance requirements ... 398
Resetting the message indicating maintenance is
required .............................. 399
Malfunction indicator lamp..... 475
Manual air conditioning system.................................... 340
Master warning light ....... 478, 484
Meter ........................................... 88 Indicators ................................ 85
Instrument panel light control .................................. 89
Meters..................................... 88
Multi-information display ......... 90
Warning lights ......................... 83
Mirrors Inside rear view mirror .......... 158
Outside rear view mirror defoggers ................... 342, 349
Outside rear view mirrors ..... 160
Vanity mirrors ....................... 372
Moon roof ................................. 170
Door lock linked moon roof operation ........... 172
Jam protection function ........ 171
Operation .............................. 170
LM