2023 TOYOTA HIGHLANDER engine

3565-4. Using the other interior features
Second seats (8-seat models)
Pull the armrest down for use.
Second seats (7-seat models)
Pull the armrest down for use.
NOTICE
• A metal accessory
• A case or cover made of metal
• A case which ha s magnet in it
on the charging side of the por-
table device
●Electric wave type wireless
remote controls are being used
nearby
●The electronic key is not inside
the vehicle
●2 or more portable devices are
placed on the charging tray at
the same time
If charging is abnormal or the
operation indicator light contin-
ues to flash for any other reason,
the wireless charger may be mal-
functioning. Contact your Toyota
dealer.
■To prevent malfunctions and
data corruptions
●When charging, bringing a
credit, or other magnetic card,
or magnetic storage media
close to the charge area may
clear any stored data due to
magnetic influence. Also, do not
bring a wristwatch or other pre-
cision instrument close to the
charge area since doing so may
cause it to malfunction.
●Do not charge with a non-con-
tact IC card such as a transpor-
tation system IC card inserted
between the charging side of a
portable device and the charge
area. The IC chip may become
extremely hot and damage the
portable device or IC card. Be
especially careful not to charge
a portable device inside a case
or cover with a non-contact IC
card attached.
●Do not leave portable devices
inside the vehicle. The inside of
the vehicle can become hot in
extreme heat, which could
cause a malfunction.
■If the smartphone OS has
been updated
If the smartphone OS has been
updated to a newer version, its
charging specifications may have
changed significantly.
For details, check the information
on the manufacturer’s website.
■To prevent battery discharge
Do not use the wireless charger
for a long period of time with the
engine is stopped.
Armrest

3585-4. Using the other interior features
Inside the console box
Open the lid.
■120 VAC (if equipped)
Accessories that use less than
100 W.
Open the lid.
■The power outlet can be used
when
12 V
The engine switch is in ACC or ON.
120 VAC (if equipped)
The engine switch is in ON.
■Using the power outlet (vehi-
cles with Stop & Start system)
When the engine restarts after hav-
ing been stopped by the Stop &
Start system, the power outlets may
be temporarily unusable, but this is
not a malfunction.
■When turning the engine switch
off
Disconnect electrical devices with
charging functions, such as mobile
battery packs.
If such devices are left connected,
the engine switch may not be turned
off normally.
NOTICE
■To avoid damaging the power
outlet
Close the power outlet lid when
the power outlet is not in use.
Foreign objects or liquids that
enter the power outlet may cause
a short circuit.
■To prevent the battery from
being discharged
Do not use the p ower outlet lon-
ger than necessary when the
engine is not running.
■Appliances that may not
operate properl y (120 VAC)
The following 120 VAC appliances
may not operate properly even if
their power consumption is under
100 W.
●Appliances with high initial peak
wattage
●Measuring devices that pro-
cess precise data
●Other appliances that require an
extremely stable power supply

3595-4. Using the other interior features
5
Interior features
1To set the visor in the forward
position, flip it down.
2 To set the visor in the side
position, flip down, unhook,
and swing it to the side.
3 To use the side extender,
place the visor in the side
position, then slide it back-
ward.
Open the cover.
The light turns on when the cover is
opened.
■To prevent battery discharge
If the vanity light s remain on when
the engine switch is turned off, the
lights will go off automatically after
20 minutes.
1 Push the lid.
2 Push the lid back up half way.
■To use the overhead console
from the conversation mirror
state
Fully close the lid, then open it
again. ( P.343)
Sun visors
Vanity mirrors
NOTICE
■To prevent the battery from
being discharged
Do not leave the vanity lights on
for extended periods while the
engine is off.
Conversation mirror

369
6
6
Maintenance and care
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 370
Cleaning and protecting the vehicle interior ........... 373
6-2. Maintenance Maintenance requirements.................................. 376
General maintenance.. 378
Emission inspection and maintenance (I/M) pro-
grams ........................ 380
6-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 382
Hood ........................... 384
Positioning a floor jack .................................. 385
Engine compartment ... 386
Tires ............................ 393
Tire inflation pressure.. 405
Wheels ......... ...............407
Air conditioning filter .... 408
Electronic key battery.. 410
Checking and replacing fuses.......................... 412
Headlight aim .............. 414
Light bulbs................... 415

3716-1. Maintenance and care
6
Maintenance and care
parts.
■Bumpers
Do not scrub with abrasive cleaners.
■Plated portions
If dirt cannot be removed, clean the
parts as follows:
●Use a soft cloth dampened with an
approximately 5% solution of neu-
tral detergent and water to clean
the dirt off.
●Wipe the surface with a dry, soft
cloth to remove any remaining
moisture.
●To remove oily deposits, use alco-
hol wet wipes or a similar product.
WARNING
■When washing the vehicle
Do not apply water to the inside of
the engine compartment. Doing
so may cause the electrical com-
ponents, etc. to catch fire.
■When cleaning the windshield
(vehicles with rain-sensing
windshield wipers)
Set the wiper switch to off.
If the switch is in “AUTO”, the wip-
ers may operate unexpectedly in
the following situations, and may
result in hands being caught or
other serious injuries and cause
damage to the wiper blades.
Off
AUTO
●When the upper part of the
windshield where the raindrop
sensor is located is touched by
hand
●When a wet rag or similar is
held close to the raindrop sen-
sor
●If something bumps against the
windshield
●If you directly touch the raindrop
sensor body or if something
bumps into the ra indrop sensor
■Precautions regarding the
exhaust pipe
Exhaust gasses cause the
exhaust pipe to become quite hot.
When washing the vehicle, be
careful not to touch the pipe until it
has cooled sufficiently, as touch-
ing a hot exhaust pipe can cause
burns.
■Precaution regarding the rear
bumper with Blind Spot Moni-
tor (if equipped)
If the paint of th e rear bumper is
chipped or scratched, the system
may malfunction. If this occurs,
consult your Toyota dealer.
NOTICE
■To prevent paint deteriora-
tion and corrosion on the
body and components (alumi-
num wheels, etc.)
●Wash the vehicle immediately in
the following cases:
• After driving nea r the sea coast
• After driving on salted roads
• If coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on
the paint surface

3766-2. Maintenance
6-2.Maintenance
■Repair and replacement
It is recommended that genuine
Toyota parts be used for repairs to
ensure performanc e of each sys-
tem. If non-Toyota parts are used in
replacement or if a repair shop other
than a Toyota dealer performs
repairs, confirm the warranty cover-
age.
■Allow inspection and repairs to
be performed by a Toyota
dealer
●Toyota technicians are
well-trained specialists and are
kept up to date with the latest ser-
vice information. They are well
informed about the operation of all
systems on your vehicle.
●Keep a copy of the repair order. It
proves that the maintenance that
has been performed is under war-
ranty coverage. If any problem
should arise while your vehicle is
under warranty, your Toyota
dealer will promptly take care of it.
General maintenance should be
performed on a daily basis. This
can be done by yourself or by a
Toyota dealer.
Scheduled maintenance should
be performed at specified inter-
vals according to the mainte-
nance schedule.
For details about maintenance
items and schedules, refer to the
“Scheduled Maintenance Guide” or
“Owner’s Manual Supplement”.
Maintenance require-
ments
To ensure safe and econom-
ical driving, day-to-day care
and regular maintenance
are essential. It is the
owner’s responsibility to
perform regular checks.
Toyota recommends the fol-
lowing maintenance:
WARNING
■If your vehicle is not properly
maintained
Improper maintenance could
result in serious damage to the
vehicle and possible death or seri-
ous injury.
■Handling of the battery
●Engine exhaust, some of its
constituents, and a wide variety
of automobile components con-
tain or emit chemicals known to
the State of California to cause
cancer and birth defects and
other reproductive harm. Work
in a well ventilated area.
●Oils, fuels and fluids contained
in vehicles as well as waste pro-
duced by component wear con-
tain or emit chemicals known to
the State of California to cause
cancer and birth defects or
other reproductive harm. Avoid
exposure and wash any
affected area immediately.
●Battery posts, terminals and
related accessories contain lead
and lead compounds which are
known to cause brain damage.
Wash your hands after han-
dling. ( P.391)
General maintenance
Scheduled maintenance

3786-2. Maintenance
General maintenance
Listed below are the general
maintenance items that
should be performed at the
intervals specified in the
“Owner’s Warranty Informa-
tion Booklet” or “Owner’s
Manual Supplement/Sched-
uled Maintenance Guide”. It
is recommended that any
problem you notice should
be brought to the attention
of your Toyota dealer or
qualified service shop for
advice.
WARNING
■If the engine is running
Turn the engine off and ensure
that there is adequate ventilation
before performing maintenance
checks.
Engine compartment
ItemsCheck points
BatteryCheck the connec-
tions. ( P.391)
Brake fluid
Is the brake fluid at
the correct level?
( P.390)
Engine coolant
Is the engine cool-
ant at the correct
level? ( P.389)
Engine oil
Is the engine oil at
the correct level?
( P.386)
Exhaust sys-
temThere should not
be any fumes or
strange sounds.
Radiator/con-
denser
The radiator and
condenser should
be free from for-
eign objects.
( P.390)
Washer fluid
Is there sufficient
washer fluid?
( P.392)
Vehicle interior
ItemsCheck points
Accelerator
pedal
• The accelerator
pedal should
move smoothly
(without uneven
pedal effort or
catching).
Automatic
transmission
“Park” mecha-
nism
• When parked on a slope and the
shift lever is in P,
is the vehicle
securely
stopped?
ItemsCheck points

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: