2023 TOYOTA HIGHLANDER wiper fluid

16Pictorial index
Turn signal lever................................................................. P.204
Headlight switch ............................................... ................. P.210
Headlights/side marker lights/pa rking lights/tail lights/license plate
lights/daytime running lights .................................. ............... P.210
Front fog lights
*1............................................................... .... P.216
Windshield wiper and washer sw itch....................... P.216, 219
Usage.......................................................... ................. P.216, 219
Adding washer fluid .............................................................. P.392
Warning messages ............................................... ............... P.442
Emergency flasher switch ....................................... .......... P.424
Hood lock release lever ........................................ ............. P.384
Tilt and telescopic steering lock release lever ................P. 1 4 8
Adjustment ..................................................... ...................... P.148
Air conditioning system ............................. ....................... P.322
Usage................................................................................... P.322
Rear window defogger ........................................... .............. P.324
Windshield wiper de-icer
*1................................................... P.324
Audio system
*2
Fuel filler door opener swi tch ........................................... P.221
*1: If equipped
*2: Refer to “MULTIMEDIA OWNER’S MANUAL”.

2184-3. Operating the lights and wipers
the sensor sensitivity can be
adjusted by turning the switch
ring.
6Increases the sensitivity
7 Decreases the sensitivity
8 Washer/wiper dual
operation
Pulling the lever o perates the wip-
ers and washer.
The wipers will au tomatically oper-
ate a couple of times after the
washer squirts.
■The windshield wipers and
washer can be operated when
The engine switch is in ON.
■Dripping prevention wiper
sweep
After washing and wiping operation
several times, the wipers operate
one more time after a short delay to
prevent dripping. However, this
function will not operate while driv-
ing.
■Effects of vehicle speed on
wiper operation
Vehicle speed affects the intermit-
tent wiper interval.
■Raindrop sensor (vehicles with
rain-sensing windshield wipers)
●The raindrop sensor judges the
amount of raindrops.
An optical sensor is adopted. It
may not operate properly when
sunlight from the rising or setting
of the sun intermittently strikes the
windshield, or if bugs, etc. are
present on the windshield
●If the wiper switch i s turned to the
“AUTO” position while the engine
switch is in ON, the wipers will
operate once to show that AUTO
mode is activated.
●When the sensor sensitivity ring is
turned toward high while in
“AUTO” position, the wipers will
operate once to indicate that the
sensor sensitivity is enhanced.
●If the temperature of the raindrop
sensor is 185°F (85°C) or higher,
or 5°F (-15°C) or lower, automatic
operation may not occur. In this
case, operate the wipers in any
mode other than AUTO mode.
■If no windshield washer fluid
sprays
Check that the washer nozzles are
not blocked, if there is washer fluid
in the washer fluid tank.
■Front door opening linked wind-
shield wiper stop function
(vehicles with rain-sensing
windshield wipers)
When “AUTO” is selected and the

2194-3. Operating the lights and wipers
4
Driving
windshield wipers are operating, if a
front door is opened, the operation
of the windshield wipers will be
stopped to prevent anyone enter-
ing/exiting the vehicle from being
sprayed by water from the wipers,
provided the vehicle is stopped with
the parking brake applied or the shift
lever in P. When the front door is
closed, wiper operation will resume.
Operating the switch
operates the rear wiper as fol-
lows.
1 (U.S.A.) or (Canada)
Off
2 (U.S.A.) or (Canada)
Intermittent operation
3 (U.S.A.) or (Canada)
Normal operation
WARNING
■Caution regarding the use of
windshield wipers in AUTO
mode (vehicles with
rain-sensing windshield wip-
ers)
The windshield wipers may oper-
ate unexpectedly if the sensor is
touched or the windshield is sub-
ject to vibration in AUTO mode.
Take care that your fingers, etc.
do not become caught in the
windshield wipers.
■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 washer fluid tank is
empty
Do not operate the switch continu-
ally as the washer fluid pump may
overheat.
■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.
Rear windshield wiper
and washer
NOTICE
■When the rear window is dry
Do not use the wiper, as it may
damage the rear window.
Operating the wiper lever

2204-3. Operating the lights and wipers
4 Washer/wiper dual
operation
Pushing the lever operates the
wiper and washer.
The wiper will automatically operate
a couple of times after the washer
squirts.
The washer will automatically oper-
ate and clean the camera for the
Digital Rearview Mirror
*1 (  P.155)
and rear camera
*2.
*1: If equipped
*2: Refer to “MULTIMEDIA OWNER’S MANUAL”.
■The rear window wiper and
washer can be operated when
The engine switch is in ON.
■If no washer fluid sprays
Check that the washer nozzle is not
blocked if there is washer fluid in the
washer fluid tank.
■Reverse-linked rear window
wiper function
When the shift lever is shifted to R
when the front wipers are operating,
the rear window wiper will operate
once.
■Customization
Setting of the reverse-linked func-
tion can be changed. ( P.494)
NOTICE
■When the washer fluid tank is
empty
Do not operate the switch continu-
ally as the washer fluid pump may
overheat.

3806-2. Maintenance
The OBD system determines
that a problem exists some-
where in the emission control
system. Your vehicle may not
pass the I/M test and may need
to be repaired. Contact your
Toyota dealer to service the
vehicle.
When the battery is discon-
nected or discharged
Readiness codes that are set
during ordinary driving are erased.
Also, depending on your driving
habits, the readiness codes may
not be completely set.
When the fuel tank cap is
loose
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 leakage
after the vehicle
has been parked.
Tires
• Is the tire infla-tion 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, split-
ting, wear, con-
tamination or
deformation.
• The wiper blades should clear the
windshield/rear
window without
streaking or skip-
ping.
Emission inspection
and maintenance (I/M)
programs
Some states have vehicle
emission inspection pro-
grams which include OBD
(On Board Diagnostics)
checks. The OBD system
monitors the operation of
the emission control sys-
tem.
If the malfunction indica-
tor lamp comes on
Your vehicle may not pass
the I/M test in the follow-
ing situations: