battery TOYOTA HIGHLANDER 2021 Owners Manual (in English)

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HIGHLANDER_U
Pictorial indexSearch by illustration
For safety
and securityMake sure to read through them
(Main topics: Child seat, theft deterrent system)
Vehicle status
information and
indicatorsReading driving-related information
(Main topics: Meters, multi-information display)
Before driving
Opening and closing the doors and windows,
adjustment before driving
(Main topics: Keys, doors, seats)
Driving
Operations and advice which are necessary for
driving
(Main topics: Starting engine, refueling)
Interior featuresUsage of the interior features
(Main topics: Air conditioner, storage features)
Maintenance
and careCaring for your vehicle and maintenance
procedures
(Main topics: Interior and exterior, light bulbs)
When trouble
arisesWhat to do in case of malfunction and emergency
(Main topics: Battery discharge, flat tire)
Vehicle
specificationsVehicle specifications, customizable features
(Main topics: Fuel, oil, tire inflation pressure)
For ownersReporting safety defects for U.S. owners, and seat
belt, SRS airbag and headlight aim instructions for
Canadian owners
IndexSearch by symptom
Search alphabetically

4TABLE OF CONTENTS
HIGHLANDER_U
Emission inspection and mainte-nance (I/M) programs....... 406
6-3. Do-it-yourself maintenance Do-it-yourself service precau-tions ................................. 408
Hood .................................. 410
Positioning a floor jack ....... 411
Engine compartment .......... 412
Tires ................................... 419
Tire inflation pressure......... 431
Wheels ............................... 433
Air conditioning filter ........... 434
Electronic key battery ......... 436
Checking and replacing fuses ......................................... 438
Headlight aim ..................... 440
Light bulbs .......................... 441
7-1. Essential information Emergency flashers ........... 450
If your vehicle has to be stopped in an emergency .............. 450
If the vehicle is trapped in rising water ................................ 451
7-2. Steps to take in an emergency If your vehicle needs to be towed......................................... 453
If you think something is wrong ......................................... 456
Fuel pump shut off system ......................................... 457
If a warning light turns on or a warning buzzer sounds .... 458
If a warning message is dis- played .............................. 468
If you have a flat tire ........... 472
If the engine will not start ... 486
If you lose your keys .......... 487If the fuel filler door cannot be
opened ............................. 488
If the electronic key does not operate properly............... 489
If the vehicle battery is dis- charged ............................ 491
If your vehicle overheats .... 495
If the vehicle becomes stuck ......................................... 497
8-1. Specifications Maintenance data (fuel, oil level, etc.) .................................. 500
Fuel information ................. 509
Tire information .................. 511
8-2. Customization Customizable features ....... 521
8-3. Initialization Items to initialize ................ 533
9-1. For owners Reporting safety defects for U.S. owners ............................. 536
Seat belt instructions for Cana- dian owners (in French) ... 536
SRS airbag instructions for Canadian owners (in French)......................................... 538
Headlight aim instructions for Canadian owners (in French)
........ ................................. 545
What

to do if... (Troubleshooting)
......................................... 548
Alphabetical Index.............. 551
7When trouble arises
8Vehicle specifications
9For owners
Index

741-4. Theft deterrent system
HIGHLANDER_U
●The battery is recharged or
replaced when the vehicle is
locked. (P.493)
■Alarm-operated door lock
In the following cases, depending
on the situation, th e door may auto-
matically lock to p revent improper
entry into the vehicle:
●When a person remaining in the
vehicle unlocks the door and the
alarm is activated.
●While the alarm is activated, a
person remaining in the vehicle
unlocks the door.
●When recharging or replacing the
battery
NOTICE
■To ensure the system oper-
ates correctly
Do not modify or remove the sys-
tem. If modified or removed, the
proper operation of the system
cannot be guaranteed.

1022-1. Instrument cluster
HIGHLANDER_Umessage display area may be tem-
porarily not displayed. The item will
be displayed after the pop-up dis-
play is no longer displayed.
Select to display warning mes-
sages and measures to be
taken if a malfunction is
detected. (
P.468)
Displays suggestions to the
driver in the following situations.
To select a response to a dis-
played suggestion, use the
meter control switches.
■Suggestion to turn off the
headlights
If the headlights are left on for a
certain amount of time after the
engine switch has been turned
off, if the headlight switch is in
the “AUTO” position, a sugges-
tion message will be displayed
asking if you wish to turn the
headlights off.
To turn the headlights off, select
“Yes”.
If the driver's door is opened after
the engine switch is turned off, this
suggestion message will not be dis-
played.
■Customization
Some functions can be customized.
(  P.521)
WARNING
■Cautions during setting up
the display
As the engine needs to be run-
ning during setting up the display,
ensure that the vehicle is parked
in a place with adequate ventila-
tion. In a closed area such as a
garage, exhaust gases including
harmful carbon monoxide (CO)
may collect and enter the vehicle.
This may lead to death or a seri-
ous health hazard.
NOTICE
■During setting up the display
To prevent battery discharge,
ensure that the engine is running
while setting up the display fea-
tures.
Warning message display
()
Suggestion function

1052-1. Instrument cluster
2
Vehicle status information and indicators
HIGHLANDER_U
tion display (P.521) and then
.
■Enabling/disabling the
head-up display
Press to enable/disable the
head-up display.
■Changing the head-up dis-
play settings
Press and hold to display the
following settings.
 “HUD Brightness/Position”
Select to adjust the brightness and
vertical position of the head-up dis-
play.
“HUD Driving Support”
• Tachometer Settings
Blank/Eco Indicator/Tachometer
Select to change the display to
blank (no display)/Eco Driving Indi-
cator/tachometer.
Select to enable/d isable the follow-
ing items:
• Navigation (if equipped)
• Driving Assist
• Compass (if equipped)
• Audio
 “HUD Rotation”
Select to adjust the angle of the
head-up display.
Press the or switch to
adjust the angle of the head-up dis-
play.
■Enabling/disabling of the
head-up display
If the head-up display is disabled, it will remain disabled when the
engine switch is turned off then back
to ON.
■Display brightness
The brightness of the head-up dis-
play can be adjusted on of the
multi-information di splay. Also, it is
automatically adjusted according to
the ambient brightness.
■Automatic adjustment of the
head-up display position (vehi-
cles with driving position mem-
ory)
A desired head-up display position
can be entered to memory and
recalled automatica lly by the driving
position memory system. ( P.147)
■When the battery is discon-
nected
The customize settings of the
head-up display will be reset.
■Customization
Some functions can be customized.
(  P.521)
WARNING
■Caution for changing settings
of the head-up display
As the engine needs to be run-
ning while changing the settings
of the head-up display, ensure
that the vehicle is parked in a
place with adequate ventilation. In
a closed area such as a garage,
exhaust gases in cluding harmful
carbon monoxide (CO) may col-
lect and enter the vehicle. This
may lead to death or a serious
health hazard.

1062-1. Instrument cluster
HIGHLANDER_U
■Eco Driving IndicatorEco Driving Indicator Zone
Display
Eco driving ratio based on
acceleration
Zone of Eco driving
Displayed content is the same as
that displayed on the multi-informa-
tion display (Eco Driving Indicator).
For details, refer to P.95.
■Tachometer
Displays the engine speed in
revolutions per minute.
■Outside temperature
Displayed in the following situa-
tions:
 When the engine switch is
turned to ON (Displayed for approximately 10 seconds)
 When the low outside tem-
perature indicator is flashing
Displayed content is the same
as that displayed on the
multi-information display. For
details, refer to the explanation
of the outside temperature dis-
play on the multi-information
display. ( P.82)
Displays the following naviga-
tion system linked items:
(Refer to “NAVIGATION AND
MULTIMEDIA SYSTEM
OWNER’S MANUAL”.)
■Route guidance to destina-
tion
Displayed when the navigation
system is performing route guid-
ance. When approaching an
intersection, an arrow indicating
the suggested direction of travel
will be displayed.
■Street name
Depending on the situation, the
names of the streets of an
approaching intersection will be
displayed.
■Compass (heading-up dis-
play)
Displays the direction of travel.
NOTICE
■When changing the settings
of the head-up display
To prevent battery discharge,
ensure that the engine is running
while the changing the settings of
the head-up display.
Eco Driving Indica-
tor/Tachometer/Outside
temperature
Navigation system-linked
display area (if equipped)

1143-1. Key information
HIGHLANDER_U
3-1.Key information
The following keys are provided
with the vehicle.Electronic keys
• Operating the smart key system ( P.133)
• Operating the wireless remote control function ( P. 1 1 5 )
Mechanical keys
Key number plate
■When riding in an aircraft
When bringing an electronic key
onto an aircraft, make sure you do
not press any buttons on the elec-
tronic key while inside the aircraft
cabin. If you are carrying an elec-
tronic key in your bag, etc., ensure
that the buttons are not likely to be
pressed accidentally. Pressing a
button may cause the electronic key
to emit radio waves that could inter-
fere with the oper ation of the air-
craft.
■Electronic key battery depletion
●The standard battery life is 1 to 2
years.
●If the battery becomes low, an
alarm will sound in the cabin when
the engine is stopped.
●To reduce key battery depletion when the electronic key is to not
be used for long periods of time,
set the electronic key to the bat-
tery-saving mode. (
P.135)
●As the electronic key always
receives radio waves, the battery
will become depleted even if the
electronic key is not used. The fol-
lowing symptoms indicate that the
electronic key battery may be
depleted. Replace the battery
when necessary.
• The smart key system or the wire- less remote contro l does not oper-
ate.
• The detection area becomes smaller.
• The LED indicator on the key sur- face does not turn on.
●To avoid serious deterioration, do
not leave the electronic key within
3 ft. (1 m) of the following electri-
cal appliances that produce a
magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Table lamps
• Induction cookers
■Replacing the battery
 P.436
■Confirmation of the registered
key number
The number of keys already regis-
tered to the vehi cle can be con-
firmed. Ask your Toyota dealer for
details.
■If “A New Key has been Regis-
tered Contact Your Dealer for
Details” is shown on the
multi-information display
This message will be displayed
each time the driver’s door is
opened when the doors are
unlocked from the outside for
approximately 10 days after a new
electronic key has been registered.
Keys
The keys

1163-1. Key information
HIGHLANDER_U
*2: If equipped
■Theft deterrent panic mode
When is pressed for longer
than about one second, an alarm
will sound intermittently and the
vehicle lights will f lash to deter any
person from trying to break into or
damage your vehicle.
To stop the alarm, press any button
on the electronic key.
To take out the mechanical key,
slide the release button and take
the key out.
The mechanical key can only be
inserted in one direction, as the key
only has grooves on one side. If the
key cannot be inserted in a lock cyl-
inder, turn it over and re-attempt to
insert it.
After using the mechanical key,
store it in the electronic key. Carry
the mechanical k ey together with
the electronic key. If the electronic
key battery is dep leted or the entry
function does not operate properly,
you will need the m echanical key.
(  P.489)
■When required to leave the
vehicle’s key wi th a parking
attendant
Lock the glove box as circum-
stances demand. ( P.367)
Remove the mechanical key for
your own use and p rovide the atten-
dant with the elec tronic key only.
■If you lose your mechanical
keys
 P.487
■If a wrong key is used
The key cylinder rotates freely, iso-
lated from the internal mechanism.
Using the mechanical key

1193-2. Opening, closing and locking the doors
3
Before driving
HIGHLANDER_U
■Conditions affecting the opera-
tion of the smart key system or
wireless remote control
 P. 1 3 5
■If the smart key system or the
wireless remote control does
not operate properly
Use the mechanical key to lock and
unlock the doors. ( P.489)
Replace the key battery with a new
one if it is depleted. ( P.436)
■If the battery is discharged
The doors cannot be locked and
unlocked using the smart key sys-
tem or wireless remote control. Lock
or unlock the doors using the
mechanical key. ( P.489)
■Rear seat reminder function
In order to remind you not to forget
luggage, etc. in the rear seat, when
the engine switch is turned off after
any of the following conditions are
met, a buzzer will sound and a mes-
sage will be displayed on the
multi-information di splay for approx-
imately 6 seconds.
●The engine is started within 10
minutes after opening and closing
a rear door.
●A rear door has been opened and
closed after the engine was
started.
However, if a rear door is opened
and then closed within approxi-
mately 2 seconds , the rear seat
reminder function may not operate.
The rear seat rem inder function
determines that luggage, etc. has
been placed in a rear seat based on
opening and closing of a rear door.
Therefore, depending on the situa-
tion, the rear seat reminder function
may not operate and you may still
forget luggage, etc. in the rear seat,
or it may operate unnecessarily.
The rear seat reminder function can
be enabled/disabled. ( P.521)
■Customization
Some functions can be customized.
(  P.521)
WARNING
■To prevent an accident
Observe the following precautions
while driving the vehicle. Failure
to do so may result in a door
opening and an occupant falling
out, resulting in death or serious
injury.
●Ensure that all doors are prop-
erly closed and locked.
●Do not pull the inside handle of
the doors while driving.
Be especially careful for the front
doors, as the doors may be
opened even if the inside lock but-
tons are in locked position.
●Set the rear door child-protector
locks when children are seated
in the rear seats.
■When opening or closing a
door
Check the surroundings of the
vehicle such as wh ether the vehi-
cle is on an incline, whether there
is enough space for a door to
open and whether a strong wind
is blowing. When opening or clos-
ing the door, hold the door handle
tightly to prepare for any unpre-
dictable movement.

1293-2. Opening, closing and locking the doors
3
Before driving
HIGHLANDER_U
●When a large amount of water is
applied to the rear bumper, such
as when the vehicle is being
washed or in heavy rain.
●When dirt is wiped off the rear
bumper.
●When a small animal or small
object, such as a ball, moves
under the rear bumper.
●When an object is moved from
under the rear bumper.
●If someone is swinging their legs
while sitting on the rear bumper.
●If the legs or another part of some-
one’s body contacts the rear
bumper while passing by the vehi-
cle.
●When the vehicle is parked near
an electrical noise source which
affects the sensitivity of the Hands
Free Power Back Door, such as a
pay parking spot , gas station,
electrically heated road, or fluo-
rescent light.
●When the vehicle is near a TV
tower, electric po wer plant, radio
station, large display, airport or
other facility that generates strong
radio waves or electrical noise.
●When the vehicle is parked in a
place where objects such as
plants are near the rear bumper.
●When luggage, etc. is set in or
removed from the luggage com-
partment from outside of the vehi-
cle.
●If accessories or a vehicle cover is
installed/removed near the rear
bumper.
●When snow attached to the inner
side of the rear bumper melts.
To prevent unintentional operation,
turn the kick sensor operation set-
ting off. ( P.521)
■When reconnecting the battery
To enable the power back door to
operate properly, close the back
door manually.
■Customization
Some functions can be customized.
(  P.521)
WARNING
■Back door closer
●In the event that the back door
is left slightly open, the back
door closer will automatically
close it to the fu lly closed posi-
tion. It takes several seconds
before the back door closer
begins to operate. Be careful
not to get fingers caught or any-
thing else in the back door, as
this may cause bone fractures
or other serious injuries.
●Use caution when using the
back door closer as it still oper-
ates when the power back door
system is disabled.
■Power back door
Observe the following precautions
when operating the power back
door. Failure to do so may cause
death or serious injury.
●Check the safety of the sur-
rounding area to make sure
there are no obs tacles or any-
thing that could cause any of
your belongings to get caught.
●If anyone is in the vicinity, make
sure they are safe and let them
know that the back door is
about to open or close.