2021 TOYOTA HIGHLANDER HYBRID battery

5128-1. Specifications
HIGHLANDER HV_U
Front
Rear
■Oil capacity (Drain and
refillreference
*)
*: The engine oil capacity is a refer-
ence quantity to be used when
changing the engine oil. Warm up
the engine and turn off the hybrid
system, wait more than 5 min-
utes, and check the oil level on the dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is
used in your Toyota vehicle. Use
Toyota approved “Toyota Genu-
ine Motor Oil” or equivalent to
satisfy the following grade and
viscosity.
Oil grade: API SN/RC multi-
grade engine oil
Recommended viscosity: SAE
0W-16
Electric motor (traction motor)
Ty p ePermanent magnet synchronous
motor
Maximum output134 kW
Maximum torque199 ft•lbf (270 N•m, 27.5 kgf•m)
Ty p ePermanent magnet synchronous
motor
Maximum output40 kW
Maximum torque89 ft•lbf (121 N•m, 12.3 kgf•m)
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Vo l t a g e7.2 V/module
Capacity6.5 Ah (3HR)
Quantity40 modules
Nominal voltage288 V
Lubrication system
With filter4.8 qt. (4.5 L, 4.0 Imp.
qt.)
Without
filter4.4 qt. (4.2 L, 3.7 Imp.
qt.)

5148-1. Specifications
HIGHLANDER HV_U
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Toyota dealer.
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Toyota dealer.
Ignition system (spark plug)
MakeDENSO FC16HR-Q8
Gap0.031 in. (0.8 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark pl ug gap.
Electrical system (12-volt battery)
Open voltage at 68°F (20°C):
12.0 V or higher
(Turn the power switch off and turn on the
high beam headlights for 30 seconds.)
Charging rates5 A max.
Hybrid transmission
Fluid capacity*4.6 qt. (4.4 L, 3.9 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transmission fluid type
Using transmission fluid other than the above type may cause ab normal
noise or vibration, or ultimately damage the transmission of yo ur vehicle.
Rear differential (rear electric motor)
Fluid capacity*1.8 qt. (1.7 L, 1.5 Imp. qt.)
Fluid typeToyota Genuine ATF WS

5258-1. Specifications
8
Vehicle specifications
HIGHLANDER HV_U
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight
150 lb. (68 kg) times the number of occu-
pants specified in the second column of
Table 1
* that follows
Occupant distribution
Distribution of occupants in a vehicle as
specified in the thi rd column of Table 1
*
below
Production options weight
The combined weight o f installed regular
production options weighing over 5 lb. (2.3
kg) in excess of the s tandard items which
they replace, not previously considered in
curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack,
heavy duty 12-volt battery, and special trim
Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter (Wheel diame-
ter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation
for a rim by style or code
Rim widthNominal distance be tween rim flanges
Vehicle capacity weight (Total
load capacity)The rated cargo and luggage load plus 150
lb. (68 kg) times the vehicle’s designated
seating capacity
Vehicle maximum load on the
tire
The load on an individual tire that is deter-
mined by distributing to each axle its share
of the maximum loaded vehicle weight,
and dividing by two
Tire related termMeaning

5308-2. Customization
HIGHLANDER HV_U
8-2.Customization
■Changing by using the navi-
gation/multimedia system
1 Press the “MENU” button.
2 Select “Setup” on the “Menu”
screen.
3 Select “General” or “Vehicle”
on the “Setup” screen.
Various setting can be changed.
Refer to the list o f settings that can
be changed for details.
■Changing by using the
meter control switches
4.2-inch display
1 Press or of the meter
control switch to select .
2 Press or of the meter
control switch to select the
desired item to be custom-
ized.
3 Press or press and hold .
The available settings will differ
depending on if is pressed or
pressed and held. Follow the
instructions on the display.
7-inch display
1 Press or of the meter
control switch to select .
2 Press or of the meter
control switch to select the
desired item to be custom-
ized.
3 Press or press and hold .
The available settings will differ
depending on if is pressed or
pressed and held. Follow the
instructions on the display.
■When customizing using the
navigation/multimedia system
Stop the vehicle in a safe place,
apply the parking brake, and shift
the shift lever to P. Also, to prevent
12-volt battery discharge, leave the
hybrid system operating while cus-
tomizing the features.
Customizable features
Your vehicle includes a vari-
ety of electronic features
that can be personalized to
suit your preferences. The
settings of these features
can be changed using the
multi-information display,
the navigation/multimedia
system, or at your Toyota
dealer.
Customizing vehicle fea-
tures
WARNING
■During customization
As the hybrid system needs to be
operating during customization,
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.

5318-2. Customization
8
Vehicle specifications
HIGHLANDER HV_U
Some function settings are changed simultaneously with other func-
tions being customized. Contact y our Toyota dealer for further
details.
Settings that can be changed usi ng the navigation/multimedia
system screen
Settings that can be changed using the meter control switches
Settings that can be changed by your Toyota dealer
Definition of symbols: O = Av ailable, — = Not available
■Predictive efficient drive*1 ( P.74)
*1: Vehicles with navigation system*2
*2
: This function can on ly be used in the mainland U.S.A. It cannot be used
in other states and territories, including Alaska and Hawaii.
■Gauges, meters and multi-information display ( P.84, 89, 92,
101)
NOTICE
■During customization
To prevent 12-volt battery dis-
charge, ensure that the hybrid
system is operating while custom-
izing features.
Customizable Features
FunctionDefault settingCustomized setting
Predictive efficient driveOnOffO——
Function*1Default settingCustomized setting
LanguageEnglishFrenchOO—Spanish
Units*2miles (MPG)
km (km/L)
OO—km (L/100 km)
miles (MPG Impe- rial)
EV indicatorOnOff—O—

5428-3. Initialization
HIGHLANDER HV_U
8-3.Initialization
*: If equipped
Items to initialize
The following items must be initialized for normal system
operation after such cases as the 12-volt battery being recon-
nected, or maintenance being performed on the vehicle:
List of items to initialize
ItemWhen to initializeReference
Power back door• After reconnecting or changing the 12-volt batteryP. 1 4 2
Intuitive parking
assist
*• After reconnecting or changing the 12-volt batteryP. 2 9 5
PKSB (Parking
Support Brake)
*• After reconnecting or changing the 12-volt batteryP. 3 1 1
Message indicat-
ing maintenance is
required (U.S.A.
only)
• After the maintenance is per-formedP. 4 0 7
Tire pressure warn-
ing system
• When the tire inflation pressure is changed such as when
changing traveling speed
• When the tire inflation pressure is changed such as when the
tire size is changed
• When rotating the tires
• After registering the ID codes
P. 4 3 0

556What to do if... (Troubleshooting)
HIGHLANDER HV_U
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical
keys, new genuine mechani-
cal keys can be made by your
Toyota dealer. ( P.495)
 If you lose your electronic
keys, the risk of vehicle theft
increases significantly. Con-
tact your Toyota dealer imme-
diately. ( P.495)
 Is the electronic key battery
weak or depleted? ( P.444)
 Is the power switch in ON?
When locking the doors, turn the
power switch off. ( P.215)
 Is the electronic key left inside
the vehicle?
When locking the doors, make sure
that you have the electronic key on
your person.
 The function may not operate properly due to the condition
of the radio wave. (
P.147)
 Is the child-protector lock set?
The rear door cannot be opened
from inside the vehicle when the
lock is set. Open the rear door from
outside and then unlock the
child-protector lock. ( P.134)
 Did you press the power
switch while firmly depress-
ing the brake pedal?
( P.213)
 Is the shift lever in P?
( P.213)
 Is the electronic key any-
where detectable inside the
vehicle? ( P.146)
 Is the steering wheel
unlocked? ( P.214)
 Is the electronic key battery
weak or depleted?
In this case, the h ybrid system can
be started in a temporary way.
(  P.497)
 Is the 12-volt battery dis-
charged? ( P.498)
If you have a problem,
check the following before
contacting your Toyota
dealer.
The doors cannot be
locked, unlocked, opened
or closed
You lose your keys
The doors cannot be
locked or unlocked
The rear door cannot be
opened
If you think something is
wrong
The hybrid system does
not start

560Alphabetical Index
HIGHLANDER HV_UBack-up lights
Replacing light bulbs ............ 449
Battery (12-volt battery) Battery checking................... 421
If the 12-volt battery is dis-charged .............................. 498
Preparing and c hecking before
winter.................................. 333
Replacing ............................. 501
Warning light ........................ 467
Battery (traction battery) ......... 75
Blind Spot Monitor (BSM) ...... 286
Brake Brake hold ............................ 227
Fluid ............................. 420, 515
Parking brake ....................... 224
Regenerative braking ............. 72
Warning light ........................ 466
Brake assist ............................ 325
Break-in tips ........ ................... 191
Brightness control Instrument panel light control . 92
BSM (Blind Spot Monitor) ...... 286
Buzzer Hands off steering wheel warn-ing (LTA) ............................. 269
C
Care Exterior ................................. 400
Interior .................................. 403
Seat belts ............................. 403
Wheels and wheel ornaments........................................... 400
Cargo capacity ....................... 200
Cargo net hooks .. ................... 370
Chains ..................................... 334
Child restraint system Fixed with a LATCH system ... 60
Fixed with a seat belt ............. 55
Front passenger occupant clas-sification system ................... 43 Points to remember ................50
Riding with children ................49
Types of child restraint system
installation method ...............52
Using an anchor bracket ........62
Child safety 12-volt battery precautions .422, 502
Airbag precautions .................39
Back door precautions..........135
Child restraint system .............52
Heated steering wheel and seat heater precautio ns..............358
How your child should wear the seat belt ................................28
Moon roof precautions..........183
Panoramic moon roof precau- tions ....................................187
Power window lock switch ....181
Power window precautions...180
Rear door child-protectors ....134
Seat belt extender precautions .............................................29
Seat belt precautions..............49
Child-protectors......................134
Cleaning Exterior .................................400
Interior ..................................403
Radar sensor ........................244
Seat belts .............................403
Wheels and wheel ornaments...........................................400
Clock ....................................89, 92
Coat hooks ..............................383
Condenser ............. ..................419
Console box ............................366
Conversation mirror ...............389
Cooling system .......................418 Engine overheating ..............504
Hybrid system overheating ...505