key TOYOTA HIGHLANDER HYBRID 2021 (in English) Service Manual

2154-2. Driving procedures
4
Driving
HIGHLANDER HV_U
1Stop the vehicle completely.
2 Set the parking brake
( P.224), and shift the shift
lever to P.
Check the parking brake indicator
is illuminated.
3 Press the power switch.
The hybrid system will stop, and the
meter display will be extinguished.
4Release the brake pedal and
check that “ACCESSORY” or
“IGNITION ON” is not shown
on the multi-information dis-
p l a y.
■Automatic hybrid system shut
off feature
●The vehicle is equipped with a
feature that automatically shuts off
the hybrid system when the shift
lever is in P with the hybrid system
operating for an extended period.
●The hybrid system will automati- cally shut off after approximately 1
hour if it has been left running
while the shift lever is in P.
●The timer for the automatic hybrid
system shut off feature will reset if
the brake pedal is depressed or if
the shift lever is in a position other
than P.
●After the vehicle is parked, if the
door is locked with the door lock
switch (
P.134) from the inside or
the mechanical key from the out-
side, the automatic hybrid system
shut off feature will be disabled.
The timer for the automatic hybrid
system shut off feature will be
re-enabled if the driver’s door is
opened.
NOTICE
■When starting the hybrid sys-
tem
If the hybrid system becomes diffi-
cult to start, have your vehicle
checked by your Toyota dealer
immediately.
■Symptoms indicating a mal-
function with the power
switch
If the power switch seems to be
operating somewhat differently
than usual, such as the switch
sticking slightly, there may be a
malfunction. Contact your Toyota
dealer immediately.
Stopping the hybrid sys-
temWARNING
■Stopping the hybrid system
in an emergency
●If you want to stop the hybrid
system in an emergency while
driving the vehicle, press and
hold the power switch for more
than 2 seconds, or press it
briefly 3 times or more in suc-
cession. (
P.458)
However, do not touch the
power switch while driving
except in an emergency. Turn-
ing the hybrid system off while
driving will not cause loss of
steering or braking control, how-
ever, power assist to the steer-
ing will be lost. This will make it
more difficult to steer smoothly,
so you should pull over and stop
the vehicle as soon as it is safe
to do so.
●If the power switch is operated
while the vehicle is running, a
warning message will be shown
on the multi-information display
and a buzzer sounds.

2304-3. Operating the lights and wipers
HIGHLANDER HV_U
■Headlight control sensor
The sensor may not function prop-
erly if an object is placed on the sen-
sor, or anything that blocks the
sensor is affixed to the windshield.
Doing so interferes with the sensor
detecting the level of ambient light
and may cause the automatic head-
light system to malfunction.
■Automatic light off system
●When the headlights are on: The
headlights and tail lights turn off
30 seconds after a door is opened
and closed if the power switch is
turned to ACC or OFF. (The lights
turn off immediately if on the
key is pressed after all the doors
are closed.)
●When only the tail lights are on:
The tail lights turn off automati-
cally if the power switch is turned
to ACC or OFF and the driver’s
door is opened.
Except for Canada: To turn the lights
on again, turn the power switch to
ON, or turn the light switch off once
and then back to or .
For Canada: To tu rn the lights on
again, turn the powe r switch to ON,
or turn the light switch to once
and then back to or .
■Automatic headlight leveling
system (if equipped)
The level of the headlights is auto-
matically adjusted according to the
number of passengers and the load-
ing condition of the vehicle to
ensure that the headlights do not interfere with other road users.
■Light reminder buzzer
A buzzer sounds when the power
switch is turned off or turned to ACC
and the driver’s door is opened
while the lights are turned on.
■Welcome lighting
The parking lights and tail lights
automatically turn on at night when
the doors are unlocked using the
entry function or wireless remote
control if the light switch is in the
position.
■Windshield wiper linked head-
light illumination
When driving during daytime with
the headlight switch turned to , if
the windshield wipers are used, the
headlights will turn on automatically
after several se conds to help
enhance the visibility of your vehi-
cle.
■12-volt battery-saving function
In order to prevent the 12-volt bat-
tery of the vehicle from discharging,
if the headlights and/or tail lights are
on when the power switch is turned
off the 12-volt battery-saving func-
tion will operate and automatically
turn off all the lights after approxi-
mately 20 minutes. When the power
switch is turned to ON, the 12-volt
battery-saving function will be dis-
abled.
When any of the following are per-
formed, the 12-volt battery-saving
function is canceled once and then
reactivated. All th e lights will turn off
automatically 20 minutes after the
12-volt battery-saving function has
been reactivated:
●When the headlight switch is oper-
ated
●When a door is opened or closed
■Customization
Some functions can be customized.
(  P.530)

3635-3. Using the interior lights
5
Interior features
HIGHLANDER HV_U
■Front interior lights
1 Turns the lights on/off linked
to door positions
2 Turns the lights on
3 Turns the lights off
■Rear interior lights
1 Turns the door position on
The rear interior light turns on/off
together the front interior lights.
When a door is opened while the
front and rear interior light door
position is on, the lights turn on.
2Turns the light on
■Front personal lights
Turns the lights on/off
■Rear personal lights
Turns the lights on/off
Vehicles without panoramic
moon roof
Vehicles with panoramic
moon roof
■Illuminated entry system
The lights automatically turn on/off
according to th e power switch
mode, the presence of the elec-
tronic key, whether the doors are
locked/unlocked, and whether the
doors are opened/closed.
Operating the interior
lights
Operating the personal
lights

3665-4. Using the storage features
HIGHLANDER HV_U
1Unlock with the mechanical
key
2 Lock with the mechanical key
3 Open (pull lever)
■Glove box light
The glove box light turns on when
the tail lights are on.
1 Push the tab and slide the
console box lid. 2
Vehicles with wireless
charge: Lift the wireless char-
ger.
■Tray inside console box
The tray can be slid forward/back-
ward.
WARNING
■When storage compartments
are not in use
When driving or when the storage
compartments are not in use,
keep the lids closed.
In the event of sudden braking or
sudden swerving, an accident
may occur due to an occupant
being struck by an open lid or the
items stored inside.
Glove box
Console box

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.

399
6
6
Maintenance and care
HIGHLANDER HV_U
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 400
Cleaning and protecting the vehicle interior ........... 403
6-2. Maintenance Maintenance requirements.................................. 406
General maintenance.. 408
Emission inspection and maintenance (I/M) pro-
grams ........................ 410
6-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 412
Hood ........................... 414
Positioning a floor jack .................................. 415
Engine compartment ... 416
12-volt battery ............. 421
Tires ............................ 424
Tire inflation pressure.. 436
Wheels ......... ...............438
Air conditioning filter .... 439
Cleaning the hybrid battery (traction battery) air intake
vents and filter ........... 441
Electronic key battery.. 444
Checking and replacing fuses.......................... 446
Headlight aim .............. 448Light bulbs ...................
449

4006-1. Maintenance and care
HIGHLANDER HV_U
6-1.Maintenance and care
Working from top to bottom,
liberally apply water to the
vehicle body, wheel wells and
underside of the vehicle to
remove any dirt and dust.
 Wash the vehicle body using
a sponge or soft cloth, such
as a chamois.
 For hard-to-remove marks,
use car wash soap and rinse
thoroughly with water.
 Wipe away any water.
 Wax the vehicle when the
waterproof coating deterio-
rates.
If water does not bead on a clean
surface, apply wax when the vehi-
cle body is cool.
■Automatic car washes
●Before washing the vehicle:
• Fold the mirrors
• Turn off the power back door
Start washing from the front of the
vehicle. Extend the mirrors before
driving.
●Brushes used in automatic car
washes may scratch the vehicle
surface, parts (wheel, etc.) and
harm your vehicle’s paint.
●Rear spoiler may not be washable
in some automatic car washes.
There may also be an increased
risk of damage to vehicle.
■High pressure car washes
As water may enter the cabin, do
not bring the nozzle tip near the
gaps around the doors or perimeter
of the windows, or spray these
areas continuously.
■When using a car wash
If the door handle becomes wet
while the electronic key is within the
effective range, the door may lock
and unlock repeatedly. In that case,
follow the following correction pro-
cedures to wash the vehicle:
●Place the key in a position 6 ft. (2
m) or more separate from the
vehicle while the vehicle is being
washed. (Take care to ensure that
the key is not stolen.)
●Set the electronic key to bat-
tery-saving mode to disable the
smart key system. ( P.147)
■Wheels and wheel ornaments
●Remove any dirt immediately by
using a neutral detergent.
●Wash detergent off with water
immediately after use.
●To protect the paint from damage,
make sure to observe the follow-
ing precautions.
• Do not use acidic, alkaline or abrasive detergent
• Do not use hard brushes
• Do not use detergent on the wheels when they are hot, such
as after driving or parking in hot
weather
■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-
Cleaning and protect-
ing the vehicle exte-
rior
Perform cleaning in a man-
ner appropriate to each
component and its material.
Cleaning instructions

4226-3. Do-it-yourself maintenance
HIGHLANDER HV_U
Make sure that the 12-volt bat-
tery terminals are not corroded
and that there are no loose con-
nections, cracks, or loose
clamps.Terminals
Hold-down clamp
■Before recharging
When recharging, the 12-volt bat-
tery produces hydrogen gas which
is flammable and explosive. There-
fore, observe the following precau-
tions before recharging:
●If recharging with the 12-volt bat-
tery installed on the vehicle, be
sure to disconnect the ground
cable.
●Make sure the power switch on
the charger is off when connecting
and disconnecting the charger
cables to the 12-volt battery.
■After recharging/reconnecting
the 12-volt battery
The hybrid system may not start.
Follow the procedure below to ini-
tialize the system.
1 Shift the shift lever to P.
2 Open and close any of the doors.
3 Restart the hybrid system.
●Unlocking the doors using the
smart key system may not be pos-
sible immediately after reconnect-
ing the 12-volt battery. If this
happens, use the wireless remote
control or the mechanical key to
lock/unlock the doors.
●Start the hybrid system with the
power switch in ACC. The hybrid
system may not start with the
power switch turned off. However,
the hybrid system will operate nor-
mally from the second attempt.
●The power switch mode is
recorded by the vehicle. If the
12-volt battery is reconnected, the
vehicle will return the power
switch mode to the status it was in
before the 12-volt battery was dis-
connected. Make sure to turn off
the power before disconnect the
12-volt battery. Take extra care
when connecting the 12-volt bat-
tery if the power switch mode prior
to discharge is unknown.
If the system will no t start even after
multiple attempts at all the methods
above, contact your Toyota dealer.
Exterior
WARNING
■Chemicals in the 12-volt bat-
tery
The 12-volt battery contains poi-
sonous and corrosive sulfuric acid
and may produce hydrogen gas
which is flammable and explosive.
To reduce the risk of death or seri-
ous injury, take the following pre-
cautions while working on or near
the 12-volt battery:

4446-3. Do-it-yourself maintenance
HIGHLANDER HV_U
■If the electronic key battery is
depleted
The following symptoms may occur:
●The smart key system and wire-
less remote control will not func-
tion properly.
●The operational range will be
reduced.
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at
your Toyota dealer, local electrical
appliance shops or camera stores.
●Replace only with the same or
equivalent type recommended by
the manufacturer.
●Dispose of used batteries accord-
ing to the local laws.
1 Release the lock and remove
the mechanical key.
2 Remove the key cover.
To prevent damage to the key,
cover the tip of the flathead screw-
driver with a rag.
3Remove the depleted battery.
When removing the cover, the elec-
tronic key module may stick to the
cover and the battery may not be
visible. In this case, remove the
electronic key module in order to
remove the battery.
When removing the battery, use a
screwdriver of an appropriate size.
Insert a new battery with the “+” ter-
Electronic key batter y
Replace the battery with a
new one if it is depleted.
You will need the follow-
ing items:
Replacing the battery