2023 TOYOTA HIGHLANDER HYBRID child lock

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

541Alphabetical Index
Alphabetical Index
A
A/C ........................................... 328Air conditioning filter ............. 418
Automatic air conditioning sys-tem ..................................... 328
Eco air conditioning mode .... 332
Front seat concentrated airflow mode (S-FLOW) ................. 334
Rear automatic air conditioning system ................................ 337
ABS (Anti-lock Brake System) ............................................... 311Warning light ........................ 447
ACA (Active Cornering Assist) ............................................... 311
Active Cornering Assist (ACA) ............................................... 311
Adaptive Front-lighting System (AFS)...................................... 225
AFS (Adaptive Front-lighting System) ................................. 225
AHB (Automatic High Beam) . 226
Air conditioning filter ............. 418
Air conditioning system ........ 328 Air conditioning filter ............. 418
Automatic air conditioning sys-tem ..................................... 328
Eco air conditioning mode .... 332
Front seat concentrated airflow mode (S-FLOW) ................. 334
Rear automatic air conditioning system ................................ 337
Airbags Airbag operating conditions.... 36
Airbag precautions for your child............................................. 39
Correct driving posture ........... 25
Curtain shield airbag operating conditions ............................. 37
Curtain shield airbag precautions ............................................. 39 Front passenger occupant clas-
sification system ...................43
General airbag precautions ....39
Locations of airbags ...............34
Modification and disposal of air- bags......................................42
Side airbag operating conditions .............................................37
Side airbag precautions..........39
Side and curtain shield airbags operating conditions .............37
Side and curtain shield airbags precautions ...........................39
SRS airbags ...........................34
SRS warning light .................447
Alarm .........................................78 Warning buzzer ....................445
Anchor brackets ... ..............52, 62
Antennas (smart key system)142
Anti-lock Brake System (ABS) ............................................... 311Warning light.........................447
Approach warning ..................270
Armrest ......... ......................... ..362
Assist grips .............................363
Audio system-linked display101, 111
Automatic air conditioning sys- tem .........................................328Eco air conditioning mode ....332
Automatic headlight leveling system ...................................224
Automatic High Beam ............226
Automatic light control system ...............................................224
Auxiliary boxes ...............349, 354
Average fuel economy .....97, 109
Average vehicle speed ...........101
AWD Control ...........................101
B
Back door ................................131

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

543Alphabetical Index
Cruise controlDynamic radar cruise control with full-speed range .......... 263
Cup holders ............................ 347
Current fuel consumption97, 109
Curtain shield airbags ............. 34
Customizable features ........... 510
D
Daytime running light system223 Replacing light bulbs ............ 428
Defogger Outside rear view mirrors ..... 330
Rear window ........................ 330
Windshield............................ 330
Differential Rear differential oil ............... 494
Digital Rearview Mirror .......... 161
Dimension ............................... 490
Dinghy towing ........................ 206
Display Dynamic radar cruise control with full-speed range .......... 263
Energy monitor ..................... 119
Head-up display ................... 114
Intuitive parking assist .......... 283
LTA (Lane Tracing Assist) ..... 259
Multi-informatio n display 96, 106
RCTA .................................... 291
Warning message ................ 456
Distance until next engine oil change..................................... 89
Do-it-yourself maintenance ... 387
Door courtesy lights .............. 343
Door lock Back door ............................. 131
Side doors ............................ 127
Smart key system................. 142
Wireless remote control ....... 125
Doors Automatic door locking and unlocking system................ 130 Back door .............................131
Door glasses ........................173
Door lock ..............................131
Open door warning buzzer .128,
130
Outside rear view mirrors .....171
Rear door child-protectors ....130
Drive distance .........................101
Drive information ....................101
Driver’s seat position memory Driving position memory .......153
Memory recall function .........155
Driving Break-in tips .........................185
Correct driving posture ...........25
Driving mode select switch ...308
Hybrid vehicle dri ving tips .....318
Procedures ...........................184
Winter drive tips....................320
Driving information display .....97
Driving mode select switch ...308
Driving position memory .......153 Memory recall function .........155
Driving range ....................97, 109
Driving support system informa- tion display............ 100, 108, 111
Dynamic radar cruise control with full-speed range............263Warning message.................273
E
ECB (Electronically Controlled Brake System)....................... 311
ECO Accelerator Guidance....99, 11 0
Eco drive mode .......................308
Eco score .......................... 99, 110
EDR (Event data recorder) .........7
E-Four ......................................312
Elapsed time ...........................101
Electric motor (t raction motor)69

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