Toyota 4Runner (2023 year). Manual in english - page 14

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4-3. Operating the lights and wipers

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■

The windshield wiper and washer can be operated when

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 washer 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 windshield becomes
warm. The fluid may freeze on the windshield and cause low visibility. 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 will be damaged.

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4-3. Operating the lights and wipers

Operating the 

 switch operates the rear wiper or washer as fol-

lows:



Type 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  window  wiper  and  washer  switch,
make sure the back window is completely closed. (



P. 158)

Operating instructions

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4-3. Operating the lights and wipers

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

Type B

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.)

■

The rear window wiper and washer can be operated when

●

The engine switch is in IGNITION 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 operation.

●

During  intermittent  operation,  the  wiper  stops  temporarily  at  the  reversing
position.

■

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  engine  switch  is  turned  to
ACCESSORY mode or turned off while the rear wiper is operating, the rear
wiper will stop at that position and 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. 549)

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4-3. Operating the lights and wipers

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 will be damaged.

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4-4. Refueling

●

Close all the doors and windows, and turn the engine switch off.

●

Confirm the type of fuel.

■

Fuel types



P. 534

■

Fuel tank opening for unleaded gasoline

To  help  prevent  incorrect  fueling,  your  vehicle  has  a  fuel  tank  opening  that
only accommodates the special nozzle on unleaded fuel pumps.

■

If the malfunction indicator lamp illuminates

The malfunction indicator lamp may illuminate erroneously if refueling is per-
formed repeatedly when the fuel tank is nearly full.

Opening the fuel tank cap

Perform the following steps to open the fuel tank cap: 

Before refueling the vehicle

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4-4. Refueling

WARNING

■

When refueling the vehicle

Observe the following precautions while refueling the vehicle. Failure to do
so may result in death or serious injury.

●

After  exiting  the  vehicle  and  before  opening  the  fuel  door,  touch  an
unpainted metal surface to discharge any static electricity. It is important to
discharge static electricity before refueling because sparks resulting from
static electricity can cause fuel vapors to ignite while refueling.

●

Always hold the grips on the fuel tank cap and turn it slowly to remove it. 
A  whooshing  sound  may  be  heard  when  the  fuel  tank  cap  is  loosened.
Wait until the sound cannot be heard before fully removing the cap. In hot
weather, pressurized fuel may spray out the filler neck and cause injury.

●

Do  not  allow  anyone  that  has  not  discharged  static  electricity  from  their
body to come close to an open fuel tank.

●

Do not inhale vaporized fuel.
Fuel contains substances that are harmful if inhaled.

●

Do not smoke while refueling the vehicle.
Doing so may cause the fuel to ignite and cause a fire.

●

Do not return to the vehicle or touch any person or object that is statically
charged.
This may cause static electricity to build up, resulting in a possible ignition
hazard.

■

When refueling

Observe the following precautions to prevent fuel overflowing from the fuel
tank:

●

Securely insert the fuel nozzle into the fuel filler neck.

●

Stop filling the tank after the fuel nozzle automatically clicks off.

●

Do not top off the fuel tank.

NOTICE

■

Refueling

Do not spill fuel during refueling. 
Doing  so  may  damage  the  vehicle,  such  as  causing  the  emission  control
system to operate abnormally or damaging fuel system components or the
vehicle’s painted surface.

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4-4. Refueling

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Open the fuel filler door.

Turn the fuel tank cap slowly to
open. Hang the fuel tank cap on
the back of the fuel filler door.

After  refueling,  turn  the  fuel  tank
cap  until  you  hear  a  click.  Once
the  cap  is  released,  it  will  turn
slightly in the opposite direction.

Opening the fuel tank cap

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2

Closing the fuel tank cap

WARNING

■

When replacing the fuel tank cap

Do not use anything but a genuine Toyota fuel tank cap designed for your
vehicle.  Doing  so  may  cause  a  fire  or  other  incident  which  may  result  in
death or serious injury.

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4-5. Using the driving support systems

◆

PCS (Pre-Collision System)



P. 239

◆

LDA (Lane Departure Alert)



P. 249

◆

AHB (Automatic High Beam)



P. 217

◆

Dynamic radar cruise control



P. 257

Toyota Safety Sense P

The Toyota Safety Sense P consists of the following drive assist
systems and contributes to a safe and comfortable driving expe-
rience:

Driving assist system

WARNING

■

Toyota Safety Sense P

The Toyota  Safety  Sense  P  is  designed  to operate  under  the  assumption
that the driver will drive safely, and is designed to help reduce the impact to
the occupants and the vehicle in the case of a collision or assist the driver in
normal driving conditions. 
As there is a limit to the degree of recognition accuracy and control perfor-
mance that this system can provide, do not overly rely on this system. The
driver is always responsible for paying attention to the vehicle's surround-
ings and driving safely.

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4-5. Using the driving support systems

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Two types of sensors, located behind the front grille and windshield,
detect information necessary to operate the drive assist systems.

Radar sensor
Front camera

Sensors

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2

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4-5. Using the driving support systems

WARNING

■

To avoid malfunction of the radar sensor

Observe the following precautions.
Otherwise, the radar sensor may not operate properly, possibly leading to
an accident resulting in death or serious injury.

●

Keep the radar sensor and the radar sensor cover clean at all times.

●

Do  not  attach  accessories,  stickers  (including  transparent  stickers)  or
other items to the radar sensor, radar sensor cover or surrounding area.

●

Do not subject the radar sensor or its surrounding area to a strong impact. 
If  the  radar  sensor, front grille, or  front  bumper has  been  subjected to  a
strong impact, have the vehicle inspected by your Toyota dealer.

●

Do not disassemble the radar sensor.

●

Do not modify or paint the radar sensor or radar sensor cover.

●

In the following cases, the radar sensor must be recalibrated. Contact your
Toyota dealer for details.
• When  the  radar  sensor  or  front  grille  are  removed  and  installed,  or

replaced

• When the front bumper is replaced

Radar sensor
Radar sensor cover

If  the  front  of  the  radar  sensor  or  the
front or back of the radar sensor cover
is dirty or covered with water droplets,
snow, etc., clean it.
Clean the radar sensor and radar sen-
sor  cover  with  a  soft  cloth  to  avoid
damaging them.

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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 fogged up or cov-
ered with condensation or ice, use the windshield defogger to remove the
fog, condensation or ice. (



P. 344)

●

If water droplets cannot be properly removed from the area of the 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 recalibrated. 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)

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4-5. Using the driving support systems

WARNING

●

Do not dirty or damage the front camera. 
When cleaning the inside of the windshield, do not allow glass cleaner to
contact the lens of the front camera. Also, do not touch the lens.
If the lens is dirty or damaged, contact your Toyota dealer.

●

Do not subject the front camera to a strong impact.

●

Do not change the installation position or direction of the front camera or
remove it.

●

Do not disassemble the front camera.

●

Do  not  modify  any  components  of  the  vehicle  around  the  front  camera
(inside rear view mirror, etc.) or ceiling.

●

Do not attach any accessories to the hood, front grille or front bumper that
may obstruct the front camera. Contact your Toyota dealer for details.

●

If a surfboard or other long object is to be mounted on the roof, make sure
that it will not obstruct the front camera.

●

Do not modify the headlights or other lights.

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■

If a warning message is displayed on the multi-information display

A system  may  be temporarily unavailable or  there  may  be a malfunction in
the system.

●

In the following situations, perform the actions specified in the table. When
the  normal  operating  conditions  are  detected,  the  message  will  disappear
and the system will become operational.

If the message does not disappear, contact your Toyota dealer.

Situation

Actions

When  the  area  around  a  cam-
era  is  covered  with  dirt,  mois-
ture  (fogged  up,  covered  with
condensation,  ice,  etc.),  or
other foreign matter

Using  the  wiper  and  A/C  function,
remove  the dirt  and other  attached  mat-
ter. (



P. 344, 351)

When  the  temperature  around
the  front  camera  is  outside  of
the  operational  range,  such  as
when the vehicle is in the sun or
in  an  extremely  cold  environ-
ment

If  the  front  camera  is  hot,  such  as  after
the vehicle  had  been parked  in the sun,
use  the  air  conditioning  system  to
decrease  the  temperature  around  the
front camera.

If a sunshade was used when the vehi-
cle was parked, depending on its type,
the  sunlight  reflected  from  the  surface
of   the sunshade may cause the tem-
perature of the front camera to become
excessively high.

If the front camera is cold, such after the
vehicle  is  parked  in  an  extremely  cold
environment,  use  the  air  conditioning
system  to  increase  the  temperature
around the front camera.

The  area  in  front  of  the  front
camera  is  obstructed,  such  as
when  the  hood  is  open  or  a
sticker is attached to the part of
the  windshield  in  front  of  the
front camera.

Close  the  hood,  remove the sticker, etc.
to clear the obstruction.

When  “Pre-Collision  System
Unavailable” is displayed.

Check whether there is attached materi-
als on the radar sensor and radar sensor
cover, and if there is, remove it.

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4-5. Using the driving support systems

●

In the following situations, if the situation has changed (or the vehicle has
been  driven  for  some  time)  and  the  normal  operating  conditions  are
detected,  the  message  will  disappear  and  the  system  will  become  opera-
tional.
If the message does not disappear, contact your Toyota dealer.
• When the temperature around the radar sensor is outside of the opera-

tional range, such as when the vehicle is in the sun or in an extremely
cold environment

• When the front camera cannot detect objects in front of the vehicle, such

as when driving in the dark, snow, or fog, or when bright lights are shining
into the front camera

• Depending on the conditions in the vicinity of the vehicle, the radar may

judge  the  surrounding  environment  can  not  be  properly  recognized.  In
that case, “Pre-Collision System Unavailable” is displayed.

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4-5. Using the driving support systems

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◆

Pre-collision warning

When  the  system  determines
that  the  possibility  of  a  frontal
collision  is  high,  a  buzzer  will
sound and a warning message
will  be  displayed  on  the  multi-
information  display  to  urge  the
driver to take evasive action.

◆

Pre-collision brake assist

When  the  system  determines  that  the  possibility  of  a  frontal  colli-
sion is high, the system applies greater braking force in relation to
how strongly the brake pedal is depressed.

◆

Pre-collision braking

When  the  system  determines  that  the  possibility  of  a  frontal  colli-
sion is high, the system warns the driver. If the system determines
that the possibility of a frontal collision is extremely high, the brakes
are automatically applied to help avoid the collision or reduce the
collision speed.

PCS (Pre-Collision System)

The pre-collision system uses a radar sensor and front camera
to detect vehicles and pedestrians in front of your vehicle. When
the system determines that the possibility of a frontal collision
with a vehicle or pedestrian is high, a warning operates to urge
the  driver  to  take  evasive  action  and  the  potential  brake  pres-
sure is increased to help the driver avoid the collision. If the sys-
tem  determines  that  the  possibility  of  a  frontal  collision  with  a
vehicle or pedestrian is extremely high, the brakes are automati-
cally  applied  to  help  avoid  the  collision  or  help  reduce  the
impact of the collision.

The pre-collision system can be disabled/enabled and the warning
timing can be changed. (



P. 242)

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4-5. Using the driving support systems

WARNING

■

Limitations of the pre-collision system

●

The driver is solely responsible for safe driving. Always drive safely, taking
care to observe your surroundings. 
Do not use the pre-collision system instead of normal braking operations
under any circumstances. This system will not prevent collisions or lessen
collision damage or injury in every situation. Do not overly rely on this sys-
tem. Failure to do so may lead to an accident, resulting in death or serious
injury.

●

Although this system is designed to help avoid a collision or help reduce
the impact of the collision, its effectiveness may change according to vari-
ous conditions, therefore the system may not always be able to achieve
the same level of performance. 
Read the following conditions carefully. Do not overly rely on this system
and always drive carefully.
• Conditions under which the system may operate even if there is no pos-

sibility of a collision: 



P. 244

• Conditions under which the system may not operate properly: 



P. 246

●

Do not attempt to test the operation of the pre-collision system yourself.
Depending  on  the  objects  used  for  testing  (dummies,  cardboard  objects
imitating  detectable  objects,  etc.),  the  system  may  not  operate  properly,
possibly leading to an accident.

■

Pre-collision braking

●

When  the  pre-collision  braking  function  is  operating,  a  large  amount  of
braking force will be applied.

●

If the vehicle is stopped by the operation of the pre-collision braking func-
tion,  the  pre-collision  braking  function  operation  will  be  canceled  after
approximately 2 seconds. Depress the brake pedal as necessary.

●

The pre-collision braking function may not operate if certain operations are
performed  by  the  driver.  If  the  accelerator  pedal  is  being  depressed
strongly or the steering wheel is being turned, the system may determine
that the driver is taking evasive action and possibly prevent the pre-colli-
sion braking function from operating.

●

In  some  situations,  while  the  pre-collision  braking  function  is  operating,
operation  of  the  function  may  be  canceled  if  the  accelerator  pedal  is
depressed strongly or the steering wheel is turned and the system deter-
mines that the driver is taking evasive action.

●

If the brake pedal is being depressed, the system may determine that the
driver is taking evasive action and possibly delay the operation timing of
the pre-collision braking function.