2021 TOYOTA 4RUNNER wipers

2384-3. Operating the lights and wipers
4RUNNER (U)
■The windshield wiper and washer can be operated 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.
■ If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washe r fluid in the
washer fluid reservoir.
WARNING
■ Caution regarding the use of washer fluid
When it is cold, do not use the washer fluid until the windshie ld becomes
warm. The fluid may freeze on the windshield and cause low visi bility. This
may lead to an accident, resulting in death or serious injury.
NOTICE
■ When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ When a nozzle becomes blocked
In this case, contact your Toyota dealer.
Do not try to clear it with a pin or other object. The nozzle w ill be damaged.

2394-3. Operating the lights and wipers
4
Driving
4RUNNER (U)
Operating the switch operates the rear wiper or washer as fol-
lows:
Ty p e A
Off
Intermittent window
wiper operation
Normal window wiper
operation
Washer/wiper dual oper-
ation
Washer/wiper dual oper-
ation
The wiper will automatically
operate a couple of times after
the washer squirts.
(After operating several times,
the wiper operates one more
time after a short delay to pre-
vent dripping.)
Rear window wiper and washer
Before operating the rear wi ndow wiper and washer switch,
make sure the back window is completely closed. ( P. 166)
Operating instructions
1
2
3
4
5

2404-3. Operating the lights and wipers
4RUNNER (U)
Ty p e BOff
Intermittent window
wiper operation
Normal window wiper
operation
Washer/wiper dual oper-
ation
Washer/wiper dual oper-
ation
The wiper will automatically
operate a couple of times after
the washer squirts.
(After operating several times,
the wiper operates one more
time after a short delay to pre-
vent dripping.)
■The rear window wiper and washer can be operated when
●Vehicles without a smart key system: The engine switch is in th e “ON” posi-
tion.
Vehicles with a smart key system: The engine switch is in IGNIT ION ON
mode.
● The back window is completely closed.
■ Intermittent window wiper operation
●When intermittent window wiper operation mode is selected, the wiper will
operate a couple of times and then switch to intermittent opera tion.
● During intermittent operation, the wiper stops temporarily at the reversing
position.
1
2
3
4
5

2414-3. Operating the lights and wipers
4
Driving
4RUNNER (U)■
When the rear window wiper and washer switch is turned off
The rear wiper will stop operation, and return to the retracted position after
approximately 3 seconds.
However, if the engine switch is turned to the “ACC” or “LOCK” position (vehi-
cles without a smart key system) or the engine switch is turned to ACCES-
SORY mode or turned off (vehicles with a smart key system) whil e the rear
wiper is operating, the rear wiper will stop at that position a nd will not return to
the retracted position.
■ If no washer fluid sprays
Check that the washer nozzle is not blocked if there is washer fluid in the
washer fluid reservoir.
■ Customization
Settings (e.g. drip prevention function) can be changed.
(Customizable features P. 545)
NOTICE
■When the rear window is dry
Do not use the wiper, as it may damage the rear window.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ When a nozzle becomes blocked
In this case, contact your Toyota dealer.
Do not try to clear it with a pin or other object. The nozzle w ill be damaged.

2484-5. Using the driving support systems
4RUNNER (U)
WARNING
■To avoid malfunction of the front camera
Observe the following precautions.
Otherwise, the front camera may not operate properly, possibly leading to
an accident resulting in death or serious injury.
● Keep the windshield clean at all times.
• If the windshield is dirty or covered with an oily film, water droplets,
snow, etc., clean the windshield.
• If a glass coating agent is applied to the windshield, it will still be neces-
sary to use the windshield wipers to remove water droplets, etc . from
the area of the windshield in front of the front camera.
• If the inner side of the windshield where the front camera is installed is
dirty, contact your Toyota dealer.
● If the part of the windshield in front of the front camera is f ogged up or cov-
ered with condensation or ice, use the windshield defogger to remove the
fog, condensation or ice. ( P. 342)
● If water droplets cannot be properly removed from the area of t he wind-
shield in front of the front camera by the windshield wipers, replace the
wiper insert or wiper blade.
● Do not attach window tint to the windshield.
● Replace the windshield if it is damaged or cracked.
After replacing the windshield, the front camera must be recali brated. Con-
tact your Toyota dealer for details.
● Do not allow liquids to contact the front camera.
● Do not allow bright lights to shine into the front camera.
●Do not attach objects, such as stickers,
transparent stickers, etc., to the outer
side of the windshield in front of the
front camera (shaded area in the illus-
tration).
A: From the top of the windshield to
approximately 0.4 in. (1 cm) below the
bottom of the front camera
B: Approximately 7.9 in. (20 cm)
(Approximately 4.0 in. [10 cm] to the
right and left from the center of the
front camera)

4026-2. Maintenance
4RUNNER (U)
Vehicle exterior
ItemsCheck points
Doors• Do the doors operate smoothly?
Engine hood• Does the engine hood lock system work properly?
Fluid leaks• There should not be any signs of fluid leakageafter the vehicle has been parked.
Tires
• Is the tire inflation pressure correct?
• The tires should not be damaged or excessively
worn.
• Have the tires been rotated according to the maintenance schedule?
• The wheel nuts should not be loose.
Windshield wipers/
rear window wiper
• The wiper blades should not show any signs of cracking, splitting, wear, contamination or defor-
mation.
• The wiper blades should clear the windshield/rear
window without streaking or skipping.
WARNING
■If the engine is running
Turn the engine off and ensure that there is adequate ventilati on before per-
forming maintenance checks.

589Alphabetical index
4RUNNER (U)
SwitchesAutomatic High Beam
switch ................................. 230
Cruise control switch............. 272
Door lock switches ................ 113
Driving position memory switches.............................. 149
Emergency flashers switch ... 462
Engine switch................ 209, 212
Fog light switch ..................... 234
Garage door opener
switches.............................. 384
Ignition switch ............... 209, 212
LDA (Lane Departure Alert) switch ................................. 264
Light switches ....................... 225
Moon roof switches ............... 170
Outside rear view mirror switches.............................. 160
Power back window
switch ................................. 166
Power door lock switch ......... 113
Power window switches ........ 162
Rear window and outside rear view mirror defoggers
switch ......................... 342, 349
Rear window wiper and
washer switch ..................... 239
Seat heater switches ............ 355
Seat ventilator switches ........ 355
“SOS” button ........................... 70
Telephone switches
*
VSC OFF switch ................... 322
Window lock switch............... 162
Windshield wipers and washer switch .............. 236 Tachometer ................................ 88
Tail lights.................................. 225
Light switch ........................... 225
Telephone switches
*
Theft deterrent system
Alarm ...................................... 79
Engine immobilizer system ..... 76
Tire inflation pressure............. 436 Maintenance data ................. 528
Warning light......................... 478
Tire information ....................... 533 Glossary ............................... 539
Size....................................... 535
Tire identification number ..... 534
Uniform Tire Quality Grading .............................. 537
Tire pressure warning system.................................... 424 Function ................................ 424
Installing tire pressure warning
valves and transmitters ...... 425
Registering ID codes ............ 426
Warning light......................... 478
T
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

591Alphabetical index
4RUNNER (U)
Warning buzzersBrake system ....... ................. 474
Downshifting ......................... 221
Intuitive parking assist .......... 285
Key reminder ................ 210, 479
Lane departure alert function ............................... 265
Open door ............................. 476
Open moon roof reminder..... 479
Pre-collision warning............. 254
Seat belt reminder ................ 477
Warning lights............................ 83 ABS....................................... 475
Automatic running boards
indicator light ...................... 476
Brake override system .......... 477
Brake system ....... ................. 474
Center differential lock indicator light ...................... 476
Charging system ................... 474
Drive-Start Control ................ 477
Four-wheel drive indicator light ...................... 476
KDSS .................................... 476
LDA indicator ........................ 478
Low engine oil pressure ........ 474
Low fuel level ........................ 477
Low speed four-wheel drive indicator light ...................... 476
Malfunction indicator lamp .... 475
Master warning light...... 478, 484
Multi-terrain Select indicator light ...................... 476
Open door ............................. 476
PCS ...................................... 478
Power steering ...................... 476
Rear differential lock indicator light ...................... 475
Seat belt reminder light ......... 477 Slip indicator ......................... 475
SRS ...................................... 475
Tire pressure ........................ 478
Unengaged “Park” ................ 476
Warning messages.................. 484
Washer ..................................... 236
Checking............................... 420
Preparing and checking before winter ...................... 329
Switch ........................... 236, 239
Washing and waxing ............... 392
Weight
Cargo capacity...................... 191
Load limits ............................ 191
Weight .................................. 520
Wheels ...................................... 439 Replacing wheels ................. 439
Size....................................... 528
Window glasses ...................... 162
Window lock switch ................ 162
Windows................................... 162 Power back window .............. 166
Power windows..................... 162
Rear window defogger ..................... 342, 349
Washer ......................... 236, 239
Windshield wiper
de-icer ............................ 342, 350
Windshield wipers ........... 236, 239 Intermittent wiper .................. 236
Winter driving tips ................... 329
Wireless remote control key .......................................... 103
Locking/Unlocking ................ 110
Replacing the battery............ 443
W
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.