2021 TOYOTA HIGHLANDER HYBRID battery capacity

741-4. Hybrid system
HIGHLANDER HV_U
■If “Proximity Notification Sys-
tem Malfunction Visit Your
Dealer” is displayed on the
multi-information display
The system may be malfunctioning.
Have the vehicle inspected by your
Toyota dealer.
*: This function can only be used in
the mainland U.S.A. It cannot be
used in other states and territo-
ries, including Alaska and Hawaii.
This system operates based on
the driving situation and traffic
information to enhance fuel
economy.
For details about Predictive effi-
cient drive, refer to “NAVIGA-
TION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.
■Predictive deceleration support
●When the vehicle approaches to
predictive deceleration support
points registered in the navigation
system, the zone of Eco accelera-
tion ( ) of the ECO Accelerator
Guidance ( P.103) on the
multi-information display will be
turned off to encourage the driver
to reduce excessive acceleration.
Example: 7-inch display
●The engine braki ng force will be
increased according to the driving
conditions to more efficiently
charge the hybrid battery (traction
battery) after the accelerator pedal
is released.
■Predictive SOC control
The following types of control are
performed based on data such as
road and traffic information during
route guidance by the navigation
system to help ensure that the vehi-
cle efficiently uses electricity.
●When there is a long downhill
slope along the r oute, the system
reduces the hybrid battery (trac-
tion battery) leve l before reaching
the slope to help ensure charging
capacity for regenerative braking
while traveling downhill.
●When traffic congestion is pre-
dicted along the route, the system
helps ensure a certain battery
level before reaching congested
roads to reduce the frequency of
starting the engin e to charge the
hybrid battery (traction battery)
due to low battery levels.
Predictive efficient drive
(vehicles with a naviga-
tion system)
*

5017-2. Steps to take in an emergency
7
When trouble arises
HIGHLANDER HV_U
■Starting the hybrid system
when the 12-volt battery is dis-
charged
The hybrid system cannot be started
by push-starting.
■To prevent 12-volt battery dis-
charge
●Turn off the headlights and the
audio system while the hybrid sys-
tem is off.
●Turn off any unnecessary electri-
cal components when the vehicle
is running at a low speed for an
extended period, such as in heavy
traffic.
■When the 12-volt battery is
removed or discharged
●Information stor ed in the ECU is
cleared. When the 12-volt battery
is depleted, have the vehicle
inspected at you r Toyota dealer.
●Some systems may require initial-
ization. ( P.542)
■When removing the 12-volt bat-
tery terminals
When the 12-volt battery terminals
are removed, the information stored
in the ECU is cleared. Before
removing the 12-volt battery termi-
nals, contact your Toyota dealer.
■Charging the 1 2-volt battery
The electricity stor ed in the 12-volt
battery will discharge gradually even
when the vehicle is not in use, due
to natural discharge and the drain-
ing effects of certain electrical appli-
ances. If the vehicle is left for a long
time, the 12-volt battery may dis-
charge, and the hybrid system may
be unable to start. (The 12-volt bat-
tery recharges aut omatically while
the hybrid system is operating.)
■When recharging or replacing
the 12-volt battery
●In some cases, i t may not be pos-
sible to unlock the doors using the
smart key system when the 12-volt battery is
discharged. Use
the wireless remote control or the
mechanical key to lock or unlock
the doors.
●The hybrid syste m may not start
on the first attempt after the
12-volt battery has recharged but
will start normally after the second
attempt. This is not a malfunction.
●The power switch mode is memo-
rized by the vehicle. When the
12-volt battery is reconnected, the
system will return to the mode it
was in before the 12-volt battery
was discharged. Before discon-
necting the 12-volt battery, turn
the power switch off.
If you are unsure what mode the
power switch was in before the
12-volt battery discharged, be
especially careful when recon-
necting the 12-volt battery.
●The power back door must be ini-
tialized. ( P.142)
■When replacing t he 12-volt bat-
tery
●Use a Central Degassing type
12-volt battery (European Regula-
tions).
●Use a 12-volt battery that the case
size is same as the previous one
(LN2), 20 hour rate capacity
(20HR) is equivalent (55Ah) or
greater, and per formance rating
(CCA) is equivalent (345A) or
greater.
• If the sizes differ, the 12-volt bat- tery cannot be properly secured.
• If the 20 hour rate capacity is low,
even if the time p eriod where the
vehicle is not used is a short time,
the 12-volt battery may discharge
and the hybrid system may not be
able to start.
●Use a 12-volt battery with a han-
dle. If a 12-volt battery without a
handle is used, removal is more
difficult.
●After replacing, firmly attach the
following items to the exhaust hole
of the 12-volt 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

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

562Alphabetical Index
HIGHLANDER HV_UEDR (Event data recorder)......... 7
E-Four ...................................... 326
Elapsed time ..................... 96, 106
Electric motor (traction motor)71
Electric Power Steering (EPS)
............................................... 326Warning light ........................ 469
Electronic key ......................... 128 Battery-saving function......... 147
If the electronic key does not operate properly ................. 496
Replacing the battery ........... 444
Electronic roof sunshade Jam protection function ........ 186
Operation ............................. 185
Electronically Controlled Brake System (ECB) ....................... 325
Emergency flashers ............... 458
Emergency, in case of If a warning buzzer sounds .. 466
If a warning light turns on ..... 466
If a warning message is dis-played................................. 476
If the 12-volt battery is dis- charged .............................. 498
If the electronic key does not operate properly ................. 496
If the fuel filler door cannot be opened ............................... 495
If the hybrid sy stem will not start
........................................... 493
If the vehicle is trapped in rising water .................................. 459
If you have a flat tire ............. 481
If you lose your keys ............ 495
If you think something is wrong ........................................... 464
If your vehicle becomes stuck ........................................... 507
If your vehicle has to be stopped in an emergency................. 458 If your vehicle needs to be towed
...........................................461
If your vehicle ove rheats ......504
Energy monitor ....................... 117
Engine ACCESSORY mode . ............216
Compartment........................416
Engine switch .......................213
Hood .....................................414
How to start the hybrid system ...........................................213
Identification number ............ 511
If the hybrid sys tem will not start
...........................................493
If your vehicle has to be stopped in an emergency .................458
Ignition switch (power switch) ...........................................213
Overheating ..........................504
Power switch ........................213
Tachometer.............................89
Engine coolant Capacity ...............................513
Checking ..............................418
Preparing and checking before winter ..................................333
Engine coolant temperature gauge .......................................89
Engine oil Capacity ...............................512
Checking ..............................416
Preparing and checking before winter ..................................333
Warning light.........................467
Engine switch (power switch)213 If your vehicle has to be stopped in an emergency .................458
EPS (Electric Po wer Steering)
...............................................326 Warning light.........................469
EV drive mode.........................218
EV indicator...............................72

568Alphabetical Index
HIGHLANDER HV_UReplacing
Electronic key battery ........... 444
Fuses ................................... 446
Light bulbs ............................ 449
Tires ..................................... 481
Reporting safety defects for U.S. owners................................... 544
Resetting the message indicat- ing maintenance is required 407
Road Sign Assist .................... 283
RSA (Road Sign Assist) ......... 283
S
Safety Connect ......................... 65
Seat belt reminder light . 469, 470
Seat belts .................................. 27 Automatic Locking Retractor .. 28
Child restraint system installation............................................. 52
Cleaning and maintaining the seat belt.............................. 403
Emergency Locking Retractor 28
How to wear your seat belt..... 28
How your child should wear the seat belt................................ 28
Pregnant women, proper seat belt use................................. 27
Reminder light and buzzer . 469, 470
Seat belt extender .................. 28
Seat belt pretensioners .......... 32
SRS warning light................. 468
Seat heaters ............................ 358
Seat position memory ............ 159
Seat ventilators ...................... 358
Seating capacity ..................... 200
Seats Adjustment ........................... 153
Adjustment precautions........ 153
Child seats/child restraint system installation ............................ 50
Cleaning ............................... 403 Driving position memory .......159
Head restraints .....................162
Properly sitting in the seat ......25
Seat heaters .......
..................358
Seat position memory...........159
Seat ventilators.....................358
Sensor Automatic headlight system .230
Automatic High Beam system...........................................232
Digital Rearview Mirror .........171
Inside rear view mirror ..........167
Intuitive parking assist ..........292
LTA (Lane Tracing Assist) .....260
Parking Support Brake function (rear-crossing vehicles) ......318
Parking Support Brake function (static objects) ....................313
Radar sensor ................243, 288
Rain-sensing windshield wipers ...........................................237
RCTA ....................................301
Service plug ..............................75
Service reminder message ....407
Shift lever Hybrid transmission ..............220
If th e s hif t le ver ca n no t b e s hif te d from P .................................221
Shift lever light........................362
Shift lock system ....................221
Shopping bag hooks ..............370
Side airbags ..............................34
Side doors Door lock ..............................131
Side marker lights Light switch...........................229
Replacing light bulbs ............449
Side mirrors Adjustment ...........................177
BSM (Blind Sport Monitor) ....286
Heaters .........................344, 348