2022 LEXUS RX450h child lock

4407-2. Steps to take in an emergency
1Insert the mechanical key while
pulling on the driver’s door handle.
2 Unlock the door.
Turning the key rearward unlocks the
driver’s door. Turning the key again unlocks
the other doors.
3Remove the key, return the handle,
and then pull the handle again.
■Locking the door
1 With the door open, push down the
inside lock button.
2 Close the door.
■Key linked functions
1 Closes the windows and the moon
roof
* or panoramic moon roof* (turn
and hold)
2 Opens the windows and the moon
roof
* or panoramic moon roof* (turn
and hold)
These settings must be customized at your
Lexus dealer.
*: If equipped
1 Ensure that the shift lever is in P and
depress the brake pedal.
2 Touch the Lexus emblem side of the
electronic key to the power switch.
When the electronic key is detected, a
buzzer sounds and the power switch will
turn to ON mode.
WARNING
■When using the mechanical key and
operating the power windows or the
moon roof or panoramic moon roof
Operate the power window or the moon
roof or panoramic moon roof after
checking to make sure that there is no
possibility of any passe nger having any of
their body parts caught in the window or
the moon roof or panoramic moon roof.
Also, do not allow children to operate the
mechanical key. It is possible for children
and other passengers to get caught in
the power window or the moon roof or
panoramic moon roof.
Starting the hybrid system

502What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.438)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.438)
 Is the electronic key battery weak or
depleted? ( P.386)
 Is the power switch in ON mode?
When locking the doors, turn the power
switch off. ( P.185)
 Is the electronic key left inside the
vehicle?
When locking the door s, make sure that
you have the electronic key on your per-
son.
 The function may not operate prop- erly due to the condition of the radio
wave. (
P.126)
 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 fr om outside and then
unlock the child-protector lock. ( P.112)
Did you press the power switch
while firmly depressing the brake
pedal? ( P.182)
 Is the shift lever in P? ( P.182)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.125)
 Is the steering wheel unlocked?
( P.183)
 Is the electronic key battery weak or
depleted?
In this case, the hy brid system can be
started in a temporary way. ( P.440)
Is the 12-volt battery discharged?
( P.441)
 Is the power switch in ON mode?
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The electronic key does not
operate properly
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
The shift lever cannot be shifted
from P even if you depress the
brake pedal

505Alphabetical Index
Alphabetical Index
A
A/CAir conditioning filter ...............................383
Front automatic air conditioning system.........................................................................298
Front seat concentr ated airflow mode
(S-FLOW).................................................306
Rear automatic air conditioning system .........................................................................309
ABS (Anti-lock Brake System).............. 278 Warning light ................................................. 412
ACA (Active Cornering Assist) ........... 279
Active Cornering Assist (ACA) ........... 279
Adaptive Front-lighting System (AFS)200
Adaptive Variable Suspension System279
AFS (Adaptive Front- lighting System)200
AHB (Automatic High Beam) .................201
Air conditioning filter ................................. 383
Air conditioning system Air conditioning filter ...............................383
Front automatic air conditioning system.........................................................................298
Front seat concentr ated airflow mode
(S-FLOW).................................................306
Rear automatic air conditioning system .........................................................................309
Airbags Airbag operating conditions................... 33
Airbag precautions for your child ........ 36
Correct driving posture ............................ 25
Curtain shield airbag operating condi- tions .................................................................. 33
Curtain shield airbag precautions ....... 36
Front passenger occupant classification system ............................................................. 39
General airbag precautions ................... 36
Locations of airbags.................................... 30
Modification and disp osal of airbags . 38
Side airbag operating conditions ......... 33
Side airbag precautions ............................ 36 Side and curtain shie
ld airbags operating
conditions ...................................................... 33
Side and curtain shield airbags precau- tions .................................................................. 36
SRS airbags......................................................30
SRS warning light.........................................412
Alarm ....................................................................74 Warning buzzer .......................................... 410
Anchor brackets ..................................... 46, 57
Antennas (smart acc ess system with
push-button start).......................................125
Anti-lock Brake System (ABS).............. 278 Warning light .................................................412
Approach warning...................................... 242
Armrest............................................................ 337
Assist grips ..................................................... 337
Audio system-linked display ...................... 92
Automatic headlight leveling system ....199
Automatic High Beam ................................201
Automatic light control system............... 198
Auxiliary boxes ..................................323, 326
Average fuel economy................................. 90
Average vehicle speed ................................ 90
AWD Control.................................................... 91
B
Back door .......................................................... 113
Back-up light Wattage ......................................................... 460
Back-up lights Replacing light bulbs................... 393, 399
Battery (12-volt battery) Battery checking ........................................370
If the 12-volt battery is discharged ......441
Preparing and checking before winter......................................................................... 286
Warning light .................................................. 411
Battery (traction battery) ............................ 69
Blind Spot Monitor (BSM)....................... 246
Bottle holders ................................................ 322
Brake Brake hold ...................................................... 196

506Alphabetical Index
Fluid ......................................................369, 457
Parking brake ................................................193
Regenerative braking ................................. 67
Warning light ................................................ 410
Brake assist .................................................... 278
Break-in tips.....................................................163
Brightness control Instrument panel light control ................ 87
BSM (Blind Spot Monitor)....................... 246
Buzzer Hands off steering wheel warning (LTA)......................................................................... 232
C
Care Exterior .......................................................... 350
Interior ............................................................. 353
Seat belts........................................................ 353
Wheels and wheel ornaments........... 350
Cargo capacity..................................... 167, 170
Cargo hooks ................................................. 324
Cargo net hooks .......................................... 324
Center Display ............................................. 294
Chains .............................................................. 287
Child restraint system Fixed with a LATCH system .................. 54
Fixed with a seat belt...................................50
Front passenger occupant classification system ............................................................. 39
Points to remember .................................... 45
Riding with children ..................................... 45
Types of child restraint system installation method ........................................................... 46
Using an anchor bracket .......................... 57
Child safety 12-volt battery precautions ....... 372, 445
Airbag precautions...................................... 36
Child restraint system................................. 46
Heated steering wheel and seat heater precautions.................................................. 312
How your child should wear the seat belt .............................................................................27 Moon roof precautions............................ 155
Panoramic moon roof precautions ... 158
Power back door precautions ............... 113
Power window lock switch .................... 153
Power window precautions .................. 152
Rear door child-protectors ..................... 112
Seat belt extender prec
autions.............. 27
Seat belt precautions .................................. 45
Child-protectors............................................. 112
Cleaning Exterior........................................................... 350
Interior .............................................................353
Radar sensor .................................................. 212
Seat belts ........................................................353
Wheels and wheel ornaments ........... 350
Clock ....................................................... 83, 338
Coat hooks..................................................... 338
Coin box.......................................................... 322
Compass ......................................................... 346
Condenser ..................................................... 368
Console box .................................................. 320
Cooling system............................................. 367 Engine overheating...................................446
Hybrid system overheating ................. 448
Cornering lights ...........................................200 Replacing light bulbs................................393
Cruise control Dynamic radar cruise control with full-speed range ......................................236
Cup holders .....................................................321
Current fuel consumption .......................... 90
Curtain shield airbags .................................. 30
Customizable features ...............................472
D
Daytime running light system .................. 198
Defogger Outside rear view mirrors.................... 300
Rear window ............................................... 300
Windshield ................................................... 300
Differential Rear differential oil.....................................457

507Alphabetical Index
Dimension ...................................................... 452
Dinghy towing.................................................. 181
DisplayCenter Display............................................ 294
Dynamic radar cruise control with full-speed range ...................................... 236
Energy monitor.............................................. 99
Head-up display ........................................... 95
Intuitive parking assist.............................. 252
LTA (Lane Tracing Assist).................... 230
Multi-information display ..........................88
RCTA .............................................................. 259
Warning message..................................... 420
Distance until next engine oil change .... 87
Do-it-yourself maintenance .................... 357
Door courtesy lights .....................................315 Wattage..........................................................460
Door lock Power back door.......................................... 113
Side doors ...................................................... 109
Smart access system with push-button start .................................................................. 125
Wireless remote control..........................107
Door pockets ................................................ 322
Doors Automatic door lock ing and unlocking
system ..............................................................112
Door glasses ................................................... 151
Door lock warning buzzer ...................... 110
Open door warning buzzer ....................112
Outside rear view mirrors ..................... 148
Rear door child-protectors ......................112
Side doors ...................................................... 109
Drive distance .................................................. 90
Driver’s seat position memory Driving position memory........................ 140
Memory recall function ..............................141
Power easy access system .................... 140
Drive-start control ........................................163
Driving Break-in tips ...................................................163
Correct driving posture ............................ 25 Driving mode select switch .................. 276
Hybrid vehicle driving tips ....................284
Procedures .....................................................162
Winter drive tips ........................................ 286
Driving assist system information ............ 92
Driving information display ........................ 90
Driving position memory........................... 140 Memory recall function.............................. 141
Power easy access system .................... 140
Driving range ................................................... 90
Dynamic radar cruise control with full-speed range ........................................ 236 Warning message ..................................... 244
E
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 278
EDR (Event data recorder) ........................... 8
E-Four .............................................................. 279
Elapsed time ..................................................... 90
Electric motor (traction motor) ................ 66
Electric Power Steering (EPS) .............. 279 Warning light .................................................413
Electronic key ................................................ 106 Battery-saving function.............................126
If the electronic key does not operate properly .......................................................439
Replacing the battery .............................. 386
Electronic sunshade Jam protection function ............................157
Operation ....................................................... 156
Electronically Controlled Brake System (ECB) ............................................................ 278
Emergency flashers .................................... 402
Emergency, in case of If a warning buzzer sounds.................... 410
If a warning light turns on........................ 410
If a warning message is displayed.....420
If the 12-volt battery is discharged ......441
If the electronic key does not operate properly .......................................................439

513Alphabetical Index
Checking ....................................................... 367
Preparing and checking before winter.........................................................................286
Power easy access system ....................... 140
Power outlets ................................................ 338
Power steering (Elect ric power steering
system).......................................................... 279 Warning light .................................................413
Power switch ...................................................182 Auto power off function .......................... 185
Changing the power switch modes . 185
Power switch (engine switch) If your vehicle has to be stopped in an
emergency ................................................ 402
Power windows Door lock linked window operation..152
Jam protection function............................. 151
Operation......................................................... 151
Window lock switch ..................................153
Pre-Collision System (PCS) Function ............................................................218
PCS OFF switch ........................................ 220
Warning light .................................................416
R
Radar cruise control (dynamic radar cruise control with full-speed range)............. 236
Radiator ........................................................... 368
RCTA Function .......................................................... 259
Warning message.....................................260
RCTA (Rear Cross Traffic Alert) ......... 250
RCTA function ............................................. 260
Rear automatic air conditioning system .......................................................................... 309
Rear Cross Traffic Alert (RCTA) ......... 259
Rear door sunshades ................................. 340
Rear fog lights Switch .............................................................. 204
Rear seats ........................................................ 130 Adjustment....................................................... 131
Folding down the rear seatbacks......... 131 Head restraints..............................................143
Seat heaters ....................................................312
Rear side marker lights Light switch .................................................... 198
Replacing light bulbs................................393
Rear turn signal lights Replacing light bulbs....................393, 397
Turn signal lever ...........................................192
Wattage ......................................................... 460
Rear view mirror Inside rear view mirror ..............................147
Outside rear view mirrors...................... 148
Rear window defogger .............................300
Rear window wiper.....................................208
Refueling Capacity .........................................................454
Fuel types .......................................................454
If the fuel filler do or cannot be opened
......................................................................... 438
Opening the fuel tank cap ................... 209
Regenerative braking ....................................67
Remote Touch .............................................. 292
Replacing Electronic key battery ............................. 386
Fuses................................................................ 388
Light bulbs ..................................................... 392
Tires .................................................................. 424
Resetting the message indicating mainte- nance is required ...................................... 356
Rev indicator .................................................... 85
Rev peak............................................................. 85
Road Sign Assist .............. ............................ 234
RSA (Road Sign Assist) ............................ 234
S
Seat belt reminder light.....................413, 414
Seat belts............................................................ 26 Automatic Locking Retractor................. 28
Child restraint system installation ......... 46
Cleaning and maintaining the seat belt..........................................................................353
Emergency Locking Retractor .............. 28

514Alphabetical Index
How to wear your seat belt ......................27
How your child should wear the seat belt.............................................................................27
Pregnant women, proper seat belt use ............................................................................ 26
Reminder light and buzzer .......... 413, 414
Seat belt extender ......................................... 27
Seat belt pretensioners .............................. 29
SRS warning light ........................................ 412
Seat heaters .....................................................312
Seat position memory................................. 140
Seat ventilators ...............................................312
Seating capacity.............................................170
Seats Adjustment............................................. 129, 131
Adjustment precautions ................ 129, 130
Child seats/child restraint system installa-tion .................................................................... 45
Cleaning......................................................... 353
Driving position memory........................ 140
Folding down the rear seatbacks......... 131
Head restraints ............................................. 143
Power easy access system .................... 140
Properly sitting in the seat ........................ 25
Seat heaters .................................................... 312
Seat position memory .............................. 140
Seat ventilators.............................................. 312
Sensor Automatic headlight system.................. 198
Automatic High Beam system..............201
Inside rear view mirror.............................. 147
Intuitive parking assist.............................. 252
LTA (Lane Tracing Assist).................... 225
Parking Support Brake function (rear-crossing vehicles) ...................... 274
Parking Support Brak e function (static
objects).........................................................272
Radar sensor...................................... 212, 246
Rain-sensing windshield wipers.........205
RCTA ..............................................................260
Service plug ...................................................... 69
Service reminder message ..................... 356 Shift lever
Hybrid transmission................................... 189
Shift lever light ................................................315
Side airbags ...................................................... 30
Side doors........................................................ 109
Side marker lights Light switch .................................................... 198
Replacing light bulbs................................393
Side mirrors Adjustment ..................................................... 148
BSM (Blind Sport Monitor).................. 246
Folding.............................................................. 149
Linked mirror function when reversing........................................................................... 148
Mirror position memory .......................... 140
RCTA function ............................................259
Side turn signal lights Replacing light bulbs................................393
Turn signal lever ...........................................192
Side windows ................................................... 151
Smart access system with push-button start Antenna location ......................................... 125
Entry functions ..................................... 109, 114
Starting the hybrid system ...................... 182
Smartphone holder..................................... 320
Snow tires ....................................................... 286
Spare tire......................................................... 424 Storage location .........................................425
Spark plug ...................................................... 456
Specifications ................................................ 452
Speedometer ................................................... 83
Steering lock Column lock release ................................. 183
Steering lock system warning message........................................................................... 183
Steering wheel Adjustment ..................................................... 146
Heated steering wheel ..............................312
Meter control switches ..............................89
Power easy access system .................... 140
Steering wheel position memory........ 140