2020 TOYOTA HIGHLANDER HYBRID battery

3845-5. Using the other interior features
HIGHLANDER HV_U
*: If equipped
The HomeLink® wireless control
system in your vehicle has 3
buttons which can be pro-
grammed to operate 3 different
devices. Refer to the program-
ming methods on the following
pages to determine the method
which is appropriate for the
device.
Vehicles with auto anti-glare
inside rear view mirror
HomeLink
® indicator light
Garage door operation indi-
cators
HomeLink
® icon
Illuminates while HomeLink® is operating.
Buttons
Vehicles with Digital Rearview
Mirror
HomeLink
® logo
Appears while HomeLink® is oper-
ating. When the menu button
(  P.167) is pressed, the logo dis-
appears even while the HomeLink
®
is operating.
Garage door operation indi-
cators
HomeLink
® indicator light
Illuminates above each button
selected.
Buttons
■Codes stored in the Home-
Link® memory
●The registered codes are not
erased even if the 12-volt battery
cable is disconnected.
●If learning failed when registering
a different code to a HomeLink®
button that already has a code
registered to it, the already regis-
tered code will not be erased.
Garage door opener*
The garage door opener can
be programmed using the
HomeLink
® to operate
garage doors, gates, entry
doors, door locks, home
lighting systems, security
systems, and other devices.
System components

3865-5. Using the other interior features
HIGHLANDER HV_U
■Before programming Home-
Link
®
During programming, it is pos-
sible that garage doors,
gates, or other devices may
operate. For this reason,
make sure that people and
objects are clear of the
garage door or other devices
to prevent injury or other
potential harm.
 It is recommended that a new
battery be placed in the
remote control transmitter for
more accurate programming.
 Garage door opener motors
manufactured after 1995 may
be equipped with rolling code
protection. If this is the case,
you may need a stepladder or
other sturdy, safe device to
reach the “Learn” or “Smart”
button on the garage door
opener motor.
■Programming HomeLink®
Steps 1 through 3 must be per-
formed within 60 seconds, oth-
erwise the HomeLink
® indicator
light will stop flashing and pro-
gramming will not be success-
fully completed.
1 Press and release the Home-
Link
® button you want to pro-
gram and check that the HomeLink
® indicator light
flashes (orange).
2 Point the remote control
transmitter for the device at
the rear view mirror, 1 to 3 in.
(25 to 75 mm) from the
HomeLink
® buttons.
Keep the HomeLink® indicator light
in view while programming.
Vehicles with auto anti-glare
inside rear view mirror
Vehicles with Digital Rearview
Mirror
3 Program a device.
Programming the Home-
Link
®

3895-5. Using the other interior features
HIGHLANDER HV_U
5
Interior features
ble device. (To check device
compatibility, refer to
www.homelink.com.)
1 Within 5 seconds after pro-
gramming the garage door
opener has been completed,
if the garage door opener
motor is trained to Home-
Link
®, both garage door
operation indicators will flash
rapidly (green) and the light
on the garage door opener
motor will blink twice, indicat-
ing that 2-way communica-
tion is enabled.
If the indicators do not flash, per-
form 2 and 3 within the first 10
presses of the HomeLink
® button
after programming has been com-
pleted.
2 Press a programmed Home-
Link
® button to operate a
garage door.
3 Within 1 minute of pressing
the HomeLink
® button, after
the garage door operation
has stopped, press the
“Learn” or “Smart” button on
the garage door opener
motor. Within 5 seconds of
the establishment of 2-way
communication with the
garage door opener, both
garage door operation indica-
tors in the vehicle will flash
rapidly (green) and the light
on the garage door opener
motor will blink twice, indicat- ing that 2-way communica-
tion is enabled.
■Reprogramming a single
HomeLink
® button
When the following procedure is
performed, buttons which
already have devices registered
to them can be overwritten:
1 Press and hold the desired
HomeLink
® button.
2 When the HomeLink
® indica-
tor starts flashing orange,
release the HomeLink
® but-
ton and perform “Program-
ming HomeLink
®” 1 (it takes
20 seconds for the Home-
Link
® indicator to start flash-
ing).
■Before programming
●Install a new battery in the trans-
mitter.
●The battery side of the transmitter
must be pointed away from the
HomeLink
® buttons.
Press the appropriate Home-
Link
® button. The HomeLink®
indicator light should turn on.
The status of the opening and
closing of a garage door is
shown by the garage door
opener indicators.
Operating HomeLink®

393
HIGHLANDER HV_U
6
6
Maintenance and care
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehicle exterior .......... 394
Cleaning and protecting the vehicle interior ........... 397
6-2. Maintenance Maintenance requirements.................................. 400
General maintenance.. 402
Emission inspection and maintenance (I/M) pro-
grams ........................ 404
6-3. Do-it-yourself mainte- nance
Do-it-yourself service pre- cautions ..................... 406
Hood ........................... 408
Positioning a floor jack .................................. 409
Engine compartment ... 410
12-volt battery ............. 416
Tires ............................ 418
Tire inflation pressure.. 430
Wheels ......... ...............432
Air conditioning filter .... 433
Cleaning the hybrid battery (traction battery) air intake
vents and filter ........... 435
Electronic key battery.. 438
Checking and replacing fuses.......................... 439
Headlight aim .............. 442Light bulbs ...................
443

3976-1. Maintenance and care
HIGHLANDER HV_U
6
Maintenance and care
 Remove dirt and dust using a
vacuum cleaner. Wipe dirty
surfaces with a cloth damp-
ened with lukewarm water.
 If dirt cannot be removed,
wipe it off with a soft cloth
dampened with neutral deter-
gent diluted to approximately
1%.
Wring out any excess water
from the cloth and thoroughly
wipe off remaining traces of
detergent and water.
■Shampooing the carpets
There are several commercial foam-
ing-type cleaners available. Use a
sponge or brush to apply the foam.
Rub in overlapping circles. Do not
use water. Wipe di rty surfaces and
let them dry. Exce llent results are
obtained by keeping the carpet as
dry as possible.
■Handling the seat belts
Clean with mild soap and lukewarm
water using a cloth or sponge. Also
check the belts periodically for
excessive wear, fraying or cuts.
Cleaning and protect-
ing the vehicle interior
Perform cleaning in a man-
ner appropriate to each
component and its material.
Protecting the vehicle
interior
WA R N I N G
■Water in the vehicle
●Do not splash or spill liquid in
the vehicle, such as on the floor,
in the hybrid battery (traction
battery) air vents, and in the lug-
gage compartment.
Doing so may cause the hybrid
battery, electrical components,
etc. to malfunction or catch fire.
●Do not get any of the SRS com-
ponents or wiring in the vehicle
interior wet.
(  P. 3 4 )
An electrical ma lfunction may
cause the airbags to deploy or
not function properly, resulting
in death or se rious injury.
●Vehicles with wireless charger:
Do not let the wireless charger
( P.369) get wet. Failure to do
so may cause t he charger to
become hot and cause burns or
could cause electric shock
resulting in death or serious
injury.
■Cleaning the interior (espe-
cially instrument panel)
Do not use polish wax or polish
cleaner. The instrument panel
may reflect off the windshield,
obstructing the driver’s view and
leading to an accident, resulting in
death or serious injury.
NOTICE
■Cleaning detergents
●Do not use the following types
of detergent, as they may dis-
color the vehicle interior or
cause streaks or damage to
painted surfaces:
• Non-seat portions: Organic sub- stances such as benzene or
gasoline, alkaline or acidic solu-
tions, dye, and bleach

4006-2. Maintenance
HIGHLANDER HV_U
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:
WA R N I N G
■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 12-volt bat-
tery
●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.
●12-volt battery posts, terminals
and related accessories con-
tain lead and lead compounds
which are known to cause brain
damage. Wash your hands after
handling. ( P.416)
General maintenance
Scheduled maintenance

4026-2. Maintenance
HIGHLANDER HV_U
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.
WA R N I N G
■If the hybrid system is operat-
ing
Turn the hybrid system off and
ensure that there is adequate
ventilation before performing
maintenance checks.
Engine compartment
ItemsCheck points
Brake fluid
Is the brake fluid at
the correct level?
(  P.414)
Engine/power
control unit
coolant
Is the
engine/power con-
trol unit coolant at
the correct level?
( P.413)
Engine oil
Is the engine oil at
the correct level?
( P.410)
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.414)
Washer fluid
Is there sufficient
washer fluid?
( P.415)
Luggage compartment
ItemsCheck points
12-volt batteryCheck the connec-
tions. ( P.416)
Vehicle interior
ItemsCheck points
Accelerator
pedal
• The accelerator
pedal should
move smoothly
(without uneven
pedal effort or
catching).
Hybrid trans-
mission “Park”
mechanism
• When parked on a slope and the
shift lever is in P,
is the vehicle
securely
stopped?
ItemsCheck points

4046-2. Maintenance
HIGHLANDER HV_U
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 12-volt battery is
disconnected 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: