2023 TOYOTA HIGHLANDER HYBRID battery

5118-2. Customization
8
Vehicle specifications
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.72)
*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.82, 87, 91,
96, 106)
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.
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

5238-3. Initialization
8
Vehicle specifications
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 3 8
Intuitive parking
assist
*• After reconnecting or changing the 12-volt batteryP. 2 8 5
PKSB (Parking
Support Brake)
*• After reconnecting or changing the 12-volt batteryP. 3 0 3
Message indicat-
ing maintenance is
required (U.S.A.
only)
• After the maintenance is per-formedP. 3 8 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 0 9

538What to do if... (Troubleshooting)
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.475)
 If you lose your electronic
keys, the risk of vehicle theft
increases significantly. Con-
tact your Toyota dealer imme-
diately. ( P.475)
 Is the electronic key battery
weak or depleted? ( P.423)
 Is the power switch in ON?
When locking the doors, turn the
power switch off. ( P.208)
 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.143)
 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.130)
 Did you press the power
switch while firmly depress-
ing the brake pedal?
( P.207)
 Is the shift lever in P?
( P.207)
 Is the electronic key any-
where detectable inside the
vehicle? ( P.142)
 Is the electronic key battery
weak or depleted? ( P.423)
In this case, the h ybrid system can
be started in a temporary way.
(  P.478)
 Is the 12-volt battery dis-
charged? ( P.479)
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

542Alphabetical Index
Back-up lightsReplacing light bulbs ............ 428
Battery (12-volt battery) Battery checking................... 402
If the 12-volt battery is dis-charged .............................. 479
Preparing and c hecking before
winter.................................. 320
Replacing ............................. 482
Warning light ........................ 446
Battery (traction battery) ......... 73
Blind Spot Monitor (BSM) ...... 278
Brake Brake hold ............................ 220
Fluid ............................. 400, 495
Parking brake ....................... 217
Regenerative braking ............. 70
Warning light ........................ 445
Brake assist ............................ 311
Break-in tips ........ ................... 185
Brightness control Instrument panel light control89, 96
BSM (Blind Spot Monitor) ...... 278
Buzzer Hands off steering wheel warn-ing (LTA) ............................. 262
C
Care Exterior ................................. 380
Interior .................................. 383
Seat belts ............................. 383
Wheels and wheel ornaments........................................... 380
Cargo capacity ....................... 194
Cargo net hooks .. ................... 350
Chains ..................................... 321
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 .403, 483
Airbag precautions .................39
Back door precautions..........131
Child restraint system .............52
Heated steering wheel and seat heater precautio ns..............341
How your child should wear the seat belt ................................28
Moon roof precautions..........177
Panoramic moon roof precau- tions ....................................181
Power window lock switch ....175
Power window precautions...174
Rear door child-protectors ....130
Seat belt extender precautions .............................................29
Seat belt precautions..............49
Child-protectors......................130
Cleaning Exterior .................................380
Interior ..................................383
Radar sensor ........................238
Seat belts .............................383
Wheels and wheel ornaments...........................................380
Clock ................... .....87, 90, 91, 96
Coat hooks ..............................363
Condenser ............. ..................400
Console box ............................347
Conversation mirror ...............369
Cooling system .......................399 Engine overheating ..............484
Hybrid system overheating ...486

544Alphabetical Index
Electric Power Steering (EPS)............................................... 312Warning light ........................ 448
Electronic key ......................... 124 Battery-saving function......... 143
If the electronic key does not operate properly ................. 477
Replacing the battery ........... 423
Electronic roof sunshade Jam protection function ........ 180
Operation ............................. 179
Electronically Controlled Brake System (ECB) ....................... 311
Emergency flashers ............... 438
Emergency, in case of If a warning buzzer sounds .. 445
If a warning light turns on ..... 445
If a warning message is dis-played................................. 456
If the 12-volt battery is dis- charged .............................. 479
If the electronic key does not operate properly ................. 477
If the fuel filler door cannot be opened ............................... 476
If the hybrid sy stem will not start
........................................... 474
If the vehicle is submerged or water on the road is rising .. 439
If you have a flat tire ............. 461
If you lose your keys ............ 475
If you think something is wrong ........................................... 443
If your vehicle becomes stuck ........................................... 488
If your vehicle has to be stopped in an emergency................. 438
If your vehicle needs to be towed ........................................... 441
If your vehicle overheats ...... 484
Energy monitor ....................... 119 Engine
ACCESSORY mode . ............209
Compartment........................396
Engine switch .......................207
Hood .....................................394
How to start the hybrid system ...........................................207
Identification number ............491
If the hybrid sys tem will not start
...........................................474
If your vehicle has to be stopped in an emergency .................438
Ignition switch (power switch) ...........................................207
Overheating ..........................484
Power switch ........................207
Tachometer.......................87, 91
Engine coolant Capacity ...............................493
Checking ..............................399
Preparing and checking before winter ..................................320
Engine coolant temperature gauge .................................87, 91
Engine oil Capacity ...............................492
Checking ..............................396
Preparing and checking before winter ..................................320
Warning light.........................446
Engine oil maintenance data .398
Engine switch (power switch)207 If your vehicle has to be stopped in an emergency .................438
EPS (Electric Po wer Steering)
...............................................312 Warning light.........................448
EV drive mode......................... 211
EV indicator...............................70
Event data recorder (EDR) .........7

546Alphabetical Index
High mounted stoplightReplacing light bulbs ............ 428
High-voltage components ....... 73
Hill-start assist control .......... 311
Hood Open .................................... 394
Hooks Cargo net hooks ................... 350
Coat hooks ........................... 363
Retaining hooks (floor mat) .... 24
Horn ......................................... 159
Hybrid battery (tr action battery)
Location.................................. 73
Specification ......................... 492
Warning message .................. 76
Hybrid battery (traction battery) air vents .................................. 75
Hybrid system .......................... 69 Acoustic vehicle alerting system............................................. 71
Emergency shut off system .... 76
Energy monitor/consumption screen ................................ 119
EV drive mode...................... 211
High voltage components....... 73
Hybrid system precautions ..... 73
If the hybrid sy stem will not start
........................................... 474
Overheating.......................... 486
Power (ignition) switch ......... 207
Regenerative braking ............. 70
Starting the hybrid system.... 207
Hybrid System Indicator ... 88, 94, 11 7
Hybrid transmission .............. 213 S mode ................................. 215
Hybrid vehicle driving tips .... 318
I
I/M test ..................................... 390
Identification Engine .................................. 491 Vehicle ..................................490
Ignition switch (power switch) ...............................................207Auto power off fun ction .........210
Changing the power switch modes.................................209
If your vehicle has to be stopped in an emergency .................438
Immobilizer system ..................77
Indicators ..................................84
Initialization Items to initialize ...................523
Maintenance .................387, 398
Power windows ....................173
Tire pressure w arning system
...........................................409
Inside rear view m irror ...160, 161
Instrument panel light control89, 96
Interior lights...........................343 Front interior light .................343
Rear interior light ..................343
Intuitive parking assist Function................................283
Warning message.................285
J
JackPositioning a floor jack .........395
Vehicle-equipped jack ..........462
Jack handle .............................462
Jam protection function Electronic roof sunshade ......180
Moon roof .............................176
Panoramic moon r oof ...........180
Power back door ..................136
Power windows ....................173
K
Keyless entry Smart key system .................142

547Alphabetical Index
Wireless remote control ....... 125
Keys Battery-saving function......... 143
Electronic key ....................... 124
If the electronic key does not operate properly ................. 477
If you lose your keys ............ 475
Key number plate ................. 124
Keyless entry........ 127, 132, 142
Mechanical key .................... 124
Power switch ........................ 207
Replacing the battery ........... 423
Warning buzzer .................... 142
Wireless remote control ....... 125
Knee airbags ............................. 34
L
Lane Tracing Assist (LTA) Operation ............................. 253
Warning messages............... 263
Language (multi-information dis- play) ............................... 102, 112
LATCH anchors ........................ 60
Lever Auxiliary catch lever ............. 394
Hood lock release lever........ 394
Shift lever ............................. 213
Turn signal lever ................... 216
Wiper lever ................... 229, 232
License plate lights Light switch .......................... 223
Replacing light bulbs ............ 428
Light bulbs Replacing ............................. 428
Lights Automatic High Beam system........................................... 226
Fog light switch .................... 229
Front interior lights ............... 344
Front personal lights............. 344
Headlight switch ................... 223
Interior lights......................... 343 Interior lights list ...................343
Rear interior lights ................344
Rear personal lights .............344
Replacing light bulbs ............428
Turn signal lever ...................216
Vanity lights ..........................369
Welcome light illumination con-
trol ......................................224
LTA (Lane Tracing Assist) Operation..............................253
Warning messages ...............263
Luggage cover ........................351
M
Maintenance Do-it-yourself maintenance ..392
General maintenance ...........388
Maintenance data .................490
Maintenance requirements ...386
Malfunction indicator lamp ....446
Menu icons ................................96
Meter Clock ..........................87, 90, 91
Hybrid System Indicator ...88, 94
Indicators ................................84
Instrument panel light control89, 96
Meter control switches....97, 107
Meters ..............................87, 91
Multi-information display.96, 106
Settings ........................ 102, 112
Warning lights .......................445
Warning message.................456
Mirrors Digital Rearview Mirror .........161
Inside rear view mirror ..........160
Outside rear view mirror defog-gers ....................................330
Outside rear view mirrors .....171
Vanity mirrors........................369

550Alphabetical Index
ReplacingElectronic key battery ........... 423
Fuses ................................... 425
Light bulbs ............................ 428
Tires ..................................... 461
Reporting safety defects for U.S. owners................................... 526
Resetting the message indicat- ing maintenance is required 387
Road Sign Assist .................... 275
RSA (Road Sign Assist) ......... 275
S
Safety Connect ......................... 65
Seat belt reminder light . 448, 449
Seat belts .................................. 27 Automatic Locking Retractor .. 28
Child restraint system installation............................................. 52
Cleaning and maintaining the seat belt.............................. 383
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 . 448, 449
Seat belt extender .................. 28
Seat belt pretensioners .......... 32
SRS warning light................. 447
Seat heaters ............................ 341
Seat position memory ............ 153
Seat ventilators ...................... 341
Seating capacity ..................... 194
Seats Adjustment ........................... 147
Adjustment precautions........ 147
Child seats/child restraint system installation ............................ 50
Cleaning ............................... 383 Driving position memory .......153
Head restraints .....................156
Properly sitting in the seat ......25
Seat heaters .......
..................341
Seat position memory...........153
Seat ventilators.....................341
Sensor Automatic headlight system .224
Automatic High Beam system...........................................226
Digital Rearview Mirror .........165
Inside rear view mirror ..........161
Intuitive parking assist ..........283
LTA (Lane Tracing Assist) .....253
Parking Support Brake function (rear-crossing vehicles) ......307
Parking Support Brake function (static objects) ....................305
Radar sensor ................237, 279
Rain-sensing windshield wipers ...........................................231
RCTA ....................................292
Service plug ..............................73
Service reminder message ....387
Shift lever Hybrid transmission ..............213
If th e s hif t le ver ca n no t b e s hif te d from P .................................214
Shift lever light........................343
Shift lock system ....................214
Shopping bag hooks ..............351
Side airbags ..............................34
Side doors Door lock ..............................127
Side marker lights Light switch...........................223
Replacing light bulbs ............428
Side mirrors Adjustment ...........................171
BSM (Blind Sport Monitor) ....278
Folding..................................172
Heaters .................................330