tow TOYOTA HIGHLANDER HYBRID 2021 (in English) Workshop Manual

3304-5. Using the driving support systems
HIGHLANDER HV_U
WARNING
■Handling of tires and the sus-
pension
Using tires with any kind of prob-
lem or modifying the suspension
will affect the driving assist sys-
tems, and may cause a system to
malfunction.
■Trailer Sway Control precau-
tion
The Trailer Sway Control system
is not able to reduce trailer sway
in all situations. Depending on
many factors such as the condi-
tions of the vehicle, trailer, road
surface and driving environment,
the Trailer Sway Control system
may not be effect ive. Refer to
your trailer owner’s manual for
information on how to tow your
trailer properly.
■If trailer sway occurs
Observe the following precau-
tions.
Failing to do so may cause death
or serious injury.
●Firmly grip the steering wheel.
Steer straight ahead. Do not try
to control trailer sway by turning
the steering wheel.
●Begin releasing the accelerator
pedal immediately but very
gradually to reduce speed.
Do not increase speed. Do not
apply vehicle brakes.
If you make no extreme correction
with the steering or brakes, your
vehicle and trailer should stabi-
lize. (
P.202)
■Secondary Collision Brake
Do not rely solely upon the Sec-
ondary Collision Brake. This sys-
tem is designed to help reduce
the possibility of further damage
due to a secondary collision, how-
ever, that effect changes accord-
ing to various conditions. Overly
relying on the system may result
in death or serious injury.

3384-6. Driving tips
HIGHLANDER HV_U
NOTICE
■To prevent water damage
Take all necessary safety mea-
sures to ensure that water dam-
age to the hybrid battery (traction
battery), hybrid system or other
components does not occur.
●Water entering the engine com-
partment may cause severe
damage to the hybrid system.
Water entering the interior may
cause the hybrid battery (trac-
tion battery) stowed under the
rear seats to short circuit.
●Water entering the hybrid trans-
mission will cause deterioration
in transmission quality. The mal-
function indicator may come on,
and the vehicle may not be driv-
able.
●Water can wash the grease
from wheel bearings, causing
rusting and premature failure,
and may also enter the hybrid
transmission case, reducing the
gear oil’s lubricating qualities.
■When you drive through
water
If driving through water, such as
when crossing shallow streams,
first check the depth of the water
and the bottom of the riverbed for
firmness. Drive slowly and avoid
deep water.
■Inspection after off-road driv-
ing
●Sand and mud that has accu-
mulated in brake drums and
around brake discs may affect
braking efficiency and may
damage brake system compo-
nents.
●Always perform a maintenance
inspection after each day of
off-road driving that has taken
you through rough terrain, sand,
mud, or water. For scheduled
maintenance information, refer
to the “Scheduled Maintenance
Guide” or “Owner’s Manual
Supplement”.

3705-4. Using the storage features
HIGHLANDER HV_U
Pull down the hook to use.
The cargo hooks are provided for
securing loose items.
To hang the cargo net, use the
cargo net hooks and cargo
hooks.
■Removing the luggage
cover unit (vehicles with-
out side deck board)
1 Fold down the third seats.
( P.158)
Luggage compart-
ment features
Cargo hooks
WARNING
■When cargo hooks are not in
use
To avoid injury, always return the
hooks to their stowed positions
when not in use.
Cargo net hooks
WARNING
■When the cargo net is not in
use
To avoid injury, always return the
hooks to their stowed positions
when not in use.
Grocery bag hooks
NOTICE
■To prevent damage to the gro-
cery bag hooks
Do not hang any object heavier
than 6.6 lb. (3 kg) on the grocery
bag hooks.
Luggage cover (if
equipped)

3725-4. Using the storage features
HIGHLANDER HV_U
■Removing the luggage
cover
1 Release the cover from the
left and right anchors and
allow it to retract.
2 Compress the end of the lug-
gage cover and lift the lug-
gage cover up.
■Stowing the luggage cover
(vehicles without side deck
board)
1 Remove the center deck
board. ( P.484)
2 To store the luggage cover
unit, compress both ends
until they lock.
Store the unit with the lock release
buttons facing up and the cover
portion facing the rear of the vehi- cle.
■Stowing the luggage cover
(vehicles with side deck
board)
1 Remove the center deck
board ( P.484) and the side
deck board. ( P.373)
2 To store the luggage cover
unit, compress both ends
until they lock.
Store the unit with the lock release
buttons facing up and the cover
portion facing the rear of the vehi-
cle.

3735-4. Using the storage features
5
Interior features
HIGHLANDER HV_U
Center deck under tray
Pull the strap upwards to open
the center deck board.
Deck side box (if equipped)
Pull the strap upwards to open
the side deck board.
WARNING
■Luggage cover
●When installing/stowing the lug-
gage cover, make sure that the
luggage cover is securely
installed/stowed. Failure to do
so may result in serious injury in
the event of sudden braking or a
collision.
●Do not place anything on the
luggage cover. In the event of
sudden braking or turning, the
item may go flying and strike an
occupant. This could lead to an
unexpected accident, resulting
in death or serious injury.
●Do not allow children to climb
on the luggage cover. Climbing
on the luggage cover could
result in damage to the luggage
cover, possibly causing death or
serious injury to the child.
●Do not point the luggage cover
unit at your face or body, as
doing so may cause injuries if
the cover ends extend sud-
denly.
NOTICE
■When using the luggage
cover
●Do not put heavy items on the
luggage cover.
●Install the cover unit in the cor-
rect direction so that the lock
release button faces upward.
Auxiliary boxes
WARNING
■Caution while driving
Keep the deck board closed. In
the event of sudden braking, an
accident may occur due to an
occupant being struck by the deck
board or the items stored under
the deck board.

3775-5. Using the other interior features
5
Interior features
HIGHLANDER HV_U
Blinks (orange) 3 times
repeatedly
 Blinks (orange) 4 times
repeatedly
■The wireless charger can be
operated when
The power switch is in ACC or ON.
■Portable devices that can be
charged
●Portable devices compatible with
the Qi wireless charging standard
can be charged by the wireless charger. Howeve
r, compatibility
with all devices which meet the Qi
wireless charging standard is not
guaranteed.
●The wireless charger is designed
to supply low powe r electricity (5
W or less) to a cellular phone,
smartphone, or other portable
device.
■If a cover or accessory is
attached to the portable device
Do not charge a portable device if a
cover or accessory which is not Qi
compatible is attached. Depending
on the type of cover and/or acces-
sory attached, it may not be possi-
ble to charge the portable device. If
the portable device is placed on the
charging area and does not charge,
remove the cover and/or accesso-
ries.
■If interference is heard in AM
radio broadcasts while
charging
Turn off the wireless charger and
check if the noise is reduced. If
noise is reduced, press and hold the
power supply switch of the wireless
charger for 2 seconds. The fre-
quency of the wireless charger is
changed and noise may be
reduced. When the frequency is
changed, the operation indicator
light will blink (orange) 2 times.
■Charging precautions
●If the electronic key cannot be
detected in the cabin, charging
cannot be performed. When a
door is opened and closed,
charging may be temporarily sus-
pended.
●While charging, the wireless char-
ger and the portable device will
become warm. This is not a mal-
function. If a po rtable device
becomes warm while charging
and charging stops due to the pro-
tection function of the portable
device, wait until the portable
device cools down and charge it
Suspected
causesMeasure
Vehicle to
charger com-
munication
failure.
Contact your Toy-
ota dealer.
Suspected
causesMeasure
A f o r e i g n
object exists
between the
portable
device and
charging area.
Remove the for-
eign object.
Portable
device is not
positioned
properly on the
charging area.Move the portable
device toward the
center of the
charging area.
Suspected
causesMeasure
The tempera-
ture of the
wireless char-
ger is exces-
sively high.Stop charging
immediately and
continue charging
after a while.

3815-5. Using the other interior features
5
Interior features
HIGHLANDER HV_U
WARNING
■Caution regarding interfer-
ence with electronic devices
People with implantable cardiac
pacemakers, cardiac resynchroni-
zation therapy pacemakers or
implantable cardio verter defibrilla-
tors, as well as any other electri-
cal medical device, should consult
their physician about the usage of
the wireless charger.
Operations of the wireless char-
ger may have an affect on medi-
cal devices.
■To prevent damage or burns
Observe the following precau-
tions.
Failure to do so may result in the
possibility of fire, equipment fail-
ure or damage, or burns due to
heat.
●Do not put any metallic objects
between the charging area and
the portable device while
charging.
●Do not attach metallic objects,
such as aluminum stickers, to
the charging area.
●Do not cover the wireless char-
ger with a cloth or other object
while charging.
●Do not attempt to charge porta-
ble devices which are not com-
patible with the Qi wireless
charging standard.
●Do not disassemble, modify or
remove the wireless charger.
●Do not apply forc e or impact to
the wireless charger.
NOTICE
■Conditions in which the wire-
less charger may not operate
correctly
In the following situations, the
wireless charger may not operate
correctly:
●When a portable device is fully
charged
●When there is a foreign object
between the charging area and
portable device
●When a portable device
becomes hot while charging
●When a portable device is
placed on the wireless area with
its charging surface facing up
●When a portable device is not
centered on the charging area
●When the vehicle is near a TV
tower, electric power plant, gas
station, radio station, large dis-
play, airport or ot her facility that
generates strong radio waves or
electrical noise
●When the portable device is in
contact with, or is covered by
any of the following metallic
objects:
• Cards to which aluminum foil is attached
• Cigarette boxes that have alu- minum foil inside
• Metallic wallets or bags
• Coins
• Metal hand warmers
• Media such as CDs and DVDs
●When wireless keys (that emit
radio waves) other than those of
your vehicle are being used
nearby.

4126-3. Do-it-yourself maintenance
HIGHLANDER HV_U
6-3.Do-it-yourself maintenance
Do-it-yourself ser vice
precautions
If you perform maintenance
by yourself, be sure to fol-
low the correct procedure
as given in these sections.
Maintenance
ItemsParts and tools
12-volt battery
condition
( P.421)
•Grease
• Conventional
wrench (for ter-
minal clamp
bolts)
Brake fluid
level ( P.420)
• FMVSS No.116
DOT 3 or SAE
J1703 brake fluid
• Rag or paper towel
• Funnel (used only for adding
brake fluid)
Engine/power
control unit
coolant level
( P.418)
• “Toyota Super
Long Life Cool-
ant” or a similar
high quality eth-
ylene gly-
col-based
non-silicate,
non-amine,
non-nitrite and
non-borate cool-
ant with long-life
hybrid organic
acid technology
For the U.S.A.:
“Toyota Super
Long Life Cool-
ant” is pre-mixed
with 50% cool-
ant and 50%
deionized water.
For Canada:
“Toyota Super
Long Life Cool-
ant” is pre-mixed
with 55% cool-
ant and 45%
deionized water.
• Funnel (used only for adding
coolant)
Engine oil level
( P.416)
• “Toyota Genuine
Motor Oil” or
equivalent
• Rag or paper towel
• Funnel (used only for adding
engine oil)
Fuses
( P.446)• Fuse with same
amperage rating
as original
ItemsParts and tools

4186-3. Do-it-yourself maintenance
HIGHLANDER HV_Ube consumed while driving. In the
following situations, oil consump-
tion may increase, and engine oil
may need to be refilled in between
oil maintenance intervals.
●When the engine is new, for
example directly after purchasing
the vehicle or after replacing the
engine
●If low quality oil or oil of an inap-
propriate viscosity is used
●When driving at high engine
speeds or with a heavy load,
when towing, or when driving
while accelerating
or decelerating
frequently
●When leaving the engine idling for
a long time, or when driving fre-
quently through heavy traffic
■Engine coolant reservoir
The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir
when the engine is cold.
WARNING
■Used engine oil
●Used engine oil contains poten-
tially harmful contaminants
which may cause skin disorders
such as inflammation and skin
cancer, so care should be taken
to avoid prolonged and
repeated contact. To remove
used engine oil from your skin,
wash thoroughly with soap and
water.
●Dispose of used oil and filters
only in a safe and acceptable
manner. Do not dispose of used
oil and filters in household trash,
in sewers or onto the ground.
Call your Toyota dealer, service
station or auto parts store for
information concerning recy-
cling or disposal.
●Do not leave used engine oil
within the reach of children.
NOTICE
■To prevent serious engine
damage
Check the oil le vel on a regular
basis.
■When replacing the engine oil
●Be careful not to spill engine oil
on the vehicle components.
●Avoid overfilling, or the engine
could be damaged.
●Check the oil level on the dip-
stick every time you refill the
vehicle.
●Be sure the engine oil filler cap
is properly tightened.
■If oil is spilled on the engine
cover
To prevent the engine cover from
being damaged, remove any
engine oil from the engine cover
as soon as possible using a neu-
tral detergent. Do not use an
organic solvent such as brake
cleaner.
Checking the coolant

4266-3. Do-it-yourself maintenance
HIGHLANDER HV_U
Rotate the tires in the order
shown.Front
To equalize tire wear and extend
tire life, Toyota recommends that
tire rotation is carried out at the
same interval as tire inspection.
Do not fail to initia lize the tire pres-
sure warning system after tire rota-
tion.
Your vehicle is equipped with a
tire pressure warning system
that uses tire pressure warning
valves and transmitters to detect
low tire inflation pressure before
serious problems arise.
 The tire pressure detected by
the tire pressure warning sys-
tem can be displayed on the
WARNING
■When inspecting or replacing
tires
Observe the following precautions
to prevent accidents.
Failure to do so may cause dam-
age to parts of the drive train as
well as dangerous handling char-
acteristics, which may lead to an
accident resulting in death or seri-
ous injury.
●Do not mix tires of different
makes, models or tread pat-
terns.
Also, do not mix tires of remark-
ably different treadwear.
●Do not use tire sizes other than
those recommended by Toyota.
●Do not mix differently con-
structed tires (radial, bias-belted
or bias-ply tires).
●Do not mix summer, all season
and snow tires.
●Do not use tires that have been
used on another vehicle.
Do not use tires if you do not
know how they were used previ-
ously.
●Do not tow if your vehicle has a
compact spare tire installed.
NOTICE
■Driving on rough roads
Take particular care when driving
on roads with loose surfaces or
potholes.
These conditions may cause
losses in tire inflation pressure,
reducing the cushioning ability of
the tires. In addition, driving on
rough roads may cause damage
to the tires themselves, as well as
the vehicle’s wheels and body.
■If tire inflation pressure of
each tire becomes low while
driving
Do not continue driving, or your
tires and/or wheels may be
ruined.
Tire rotation
Tire pressure warning
system