LEXUS RX 450HL (2019 year). Instruction

768

What to do if... (Troubleshooting)

RX450h_RX450hL_U

●

The seat belt reminder light is flashing
Are the driver and the passengers wearing the seat belts?

(

P. 662, 662)

●

The parking brake indicator is on
Is the parking brake released? (

P. 253)

Depending on the situation, other types of warning buzzer may also sound.

(

P. 660, 667)

●

Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (

P. 86)

Do one of the following to stop the alarms:

• Unlock the doors.

• Turn the power switch to ACCESSORY or ON mode, or start the hybrid system.

●

Is the message displayed on the multi-information display?
Check the message on the multi-information display. (

P. 667)

●

When a warning light turns on or a warning message is displayed, refer to
P. 660, 667.

A warning buzzer sounds during driving

An alarm is activated and the horn sounds

A warning buzzer sounds when leaving the vehicle

A warning light turns on or a warning message is displayed

770

RX450h_RX450hL_U

Alphabetical index

Alphabetical index

A/C............................................................507

Air conditioning filter........................625
Automatic air conditioning

system ..................................... 507, 5 22

S-FLOW mode................................... 514

ABS (Anti-lock Brake System).......382

Warning light ........................................ 661

Adaptive Front-lighting System

(AFS) ......................................................259

Adaptive Variable Suspension

System ...................................................383

AFS (Adaptive Front-lighting

System)..................................................259

Air conditioning filter.......................... 625
Air conditioning system

Air conditioning filter........................625
Automatic air conditioning

system ..................................... 507, 5 22

S-FLOW mode................................... 514

Airbags.........................................................36

Airbag operating conditions .......... 43
Airbag precautions for your

child.......................................................... 39

Airbag warning light ....................... 660
Correct driving posture....................30
Curtain shield airbag

operating conditions ....................... 43

Curtain shield airbag

precautions ............................................41

Front passenger occupant

classification system..........................47

General airbag precautions ........... 39
Locations of airbags............................ 36
Modification and disposal of

airbags.....................................................42

Seat cushion airbag..............................37
Side airbag operating

conditions ............................................. 43

Side airbag precautions.................... 39
Side and curtain shield airbags

operating conditions ....................... 43

Side and curtain shield airbags

precautions .......................................... 39

SRS airbag instructions

for Canadian owners................... 754

SRS airbags ............................................. 36

771

Alphabetical index

RX450h_RX450hL_U

Alarm............................................................86
Anchor brackets...................................... 57
Antenna

Radio ........................................................429
Smart access system

with push-button start...................158

Anti-lock Brake System (ABS).......382

Warning light ........................................ 661

Approach warning.................................314
Armrest ....................................................558
Assist grips ..............................................559
Audio system (with Lexus

Display Audio System) ...................400

Antenna ..................................................429
Audio input........................................... 409
AUX port.............................................. 409
Bluetooth

audio............................. 459

CD player..............................................433
iPod.......................................................... 440
MP3/WMA disc ...............................433
Optimal use ........................................... 419
Portable music player..................... 448
Radio ........................................................426
Setup menu.............................................412
Steering wheel audio

switches.............................................. 406

USB memory.......................................444

Audio system

(with navigation system)

Automatic air conditioning

system.........................................507, 522

Air conditioning filter .......................625
Rear automatic air conditioning

system.................................................. 522

S-FLOW mode....................................514

Automatic headlight leveling

system.................................................... 260

Automatic High Beam........................262
Automatic light control system ...... 258
AUX port ................................................ 409
Auxiliary boxes ..........................539, 544

: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

772

Alphabetical index

RX450h_RX450hL_U

Back door

Power back door.................................142
Touchless power back door......... 144
Wireless remote control..................142

Back-up lights

Replacing light bulbs........................637
Wattage....................................................719

Battery (12-volt battery)

Battery checking ...............................605
If the 12-volt battery is

discharged........................................ 695

Preparing and checking before

winter................................................... 390

Replacing ..............................................698
Warning light ......................................660

Battery (traction battery) ..................... 78
Blind Spot Monitor (BSM)..................319

Blind Spot Monitor

function............................................ 323

Rear Cross Traffic Alert

function............................................ 327

Bluetooth

............................................. 482

Audio system.......................................459
Hands-free system

(for cellular phone) .........................461

Bottle holders .........................................537
Brake

Brake Hold ...........................................256
Fluid ............................................................716
Parking brake......................................253
Regenerative braking..........................76
Warning light...................................... 660

Brake assist............................................. 382
Brake Hold.............................................. 256

Warning light.........................................661

Break-in tips ............................................. 214
Brightness control

Instrument panel light control ........98

BSM (Blind Spot Monitor) .................319

Blind Spot Monitor function......... 323
Rear Cross Traffic Alert

function.................................................327

773

Alphabetical index

RX450h_RX450hL_U

Care

Aluminum wheels ...............................581
Exterior...................................................580
Interior .................................................... 584
Seat belts...............................................585
Self-restoring coat............................580

Cargo capacity............................220, 710
Cargo hooks ..........................................540
Cargo net hooks...................................540
Chains .........................................................391
Child restraint system............................55

Booster seats installation...................64
Convertible seats

installation..............................................62

Front passenger occupant

classification system......................... 47

Infant seats definition.............................61
Infant seats installation ........................57
Installing CRS with LATCH

anchors...................................................67

Installing CRS with seat

belts ............................................................61

Installing CRS with top tether

strap..........................................................70

LATCH anchors ...................................67

Child safety

.................................................... 54

12-volt battery

precautions ..........................609, 700

Airbag precautions.............................. 39
Child restraint system.........................55
How your child should

wear the seat belt.............................. 33

Installing child restraints ....................55
Moon roof precautions ..................203
Panoramic moon roof

precautions ....................................... 207

Power back door

precautions .........................................152

Power window lock switch.............196
Power window precautions...........199
Rear door child-protectors............139
Removed key battery

precautions .........................................631

Seat belt extender

precautions .......................................... 35

Seat belt precautions.......................... 35
Seat heater precautions.................525

774

Alphabetical index

RX450h_RX450hL_U

Child-protectors.....................................139
Cleaning.......................................580, 58 4

Clock................................................ 96, 548
Coat hooks..............................................559
Compass.................................................. 567
Condenser..............................................602
Console box ...........................................534
Consumption screen ................. 105, 12 4
Coolant

Capacity .................................................. 715
Checking.................................................601
Preparing and checking

before winter ................................... 390

Cooling system ...................................... 601

Hybrid system overheating ..........702

Cornering lights....................................259
Cruise control

Dynamic radar cruise control

with full-speed range................... 306

Cup holders............................................535
Curtain shield airbags ........................... 37
Customizable features....................... 736
Customized mode............................... 379

Daytime running light system.......... 260
Defogger

Outside rear view mirrors ..............516
Rear window..........................................516
Windshield..............................................516

Differential ................................................ 716
Dimensions...............................................710
Dinghy towing ....................................... 238
Display

Dynamic radar cruise control

with full-speed range ...................306

Energy monitor.....................................124
LKA (Lane-Keeping Assist).........302
Multi-information display.................. 101
Warning messages ..........................667

Do-it-yourself maintenance............. 593
Doors

Automatic door locking and

unlocking system..............................139

Door lock................................................ 138
Outside rear view mirrors ..............193
Power back door ................................142
Rear door child-protectors............139
Side doors...............................................136
Side windows ........................................196

775

Alphabetical index

RX450h_RX450hL_U

Drive information .................................. 105
Drive-start control ..................... 213, 2 49
Driver’s seat belt reminder light..... 662
Driver’s seat position memory...........181
Driving

Break-in tips ...........................................214
Correct posture.....................................30
Driving mode select switch ..........379
Hybrid vehicle driving tips............388
Procedures .............................................212
Winter drive tips................................ 390

Driving position memory......................181

Memory recall function....................184
Power easy access system ..............181

Dynamic radar cruise control

with full-speed range.......................306

E-Four....................................................... 383
ECB (Electronically Controlled

Brake System).................................... 382

Eco drive mode......................................379
EDR (Event data recorder).....................11
Electric motor

Location .....................................................74
Specification........................................... 712

Electric Power Steering (EPS)....... 383

Warning light.........................................661

Electronic key..........................................132

Battery-saving function ....................159
If the electronic key does not

operate properly............................692

Replacing the battery ......................630

Electronically Controlled

Brake System (ECB)....................... 382

Emergency flashers ............................ 652

776

Alphabetical index

RX450h_RX450hL_U

Emergency, in case of

If a warning buzzer sounds..........660
If a warning light turns on..............660
If a warning message is

displayed.............................................667

If the 12-volt battery is

discharged........................................ 695

If the electronic key does not

operate properly.............................692

If the hybrid system will

not start...............................................690

If you have a flat tire ..........................673
If you lose your keys................133, 135
If you think something is

wrong .................................................. 659

If your vehicle becomes

stuck..................................................... 706

If your vehicle has to

be stopped in an
emergency........................................ 653

If your vehicle needs to be

towed................................................... 654

If your vehicle overheats ................702

Energy monitor .......................................124

Engine

ACCESSORY mode.....................240
Compartment .....................................597
Engine switch ......................................239
Hood........................................................595
How to start the hybrid

system..................................................239

Identification number......................... 712
If your vehicle has to be

stopped in an emergency..........653

Ignition switch (power switch)....239
Overheating......................................... 702
Power switch .......................................239

Engine coolant

Capacity...................................................715
Checking................................................ 601
Preparing and checking

before winter....................................390

Engine coolant temperature

gauge.........................................................96

Engine oil

Capacity...................................................713
Checking.............................................. 598
Preparing and checking

before winter....................................390

Engine oil maintenance data...........600
Engine switch......................................... 239
Enhanced VSC..................................... 382
EPS

(Electronic Power Steering) ........ 383

Warning light.........................................661

EV drive mode .......................................244
EV indicator ...............................................76
Event data recorder (EDR).....................11

777

Alphabetical index

RX450h_RX450hL_U

Flat tire ...................................................... 673
Floor mats................................................... 28
Fluid

Brake..........................................................716
Transmission...........................................716
Washer .................................................. 604

Fog lights

Replacing light bulbs........................637
Switch.......................................................266

Front automatic air

conditioning system .........................507

Front passenger footwell

hooks...................................................... 557

Front passenger occupant

classification system.............................47

Front passenger’s seat belt

reminder light ..................................... 662

Front seat heaters................................. 526
Front seats .................................................167

Adjustment..............................................167
Cleaning................................................ 584
Correct driving posture ....................30
Driving position memory..................181
Head restraints.....................................186
Power easy access system ..............181
Seat heaters ..........................................526
Seat position memory.........................181

Front side marker lights

Light switch.......................................... 258
Replacing light bulbs........................637
Wattage....................................................719

Front turn signal lights

Replacing light bulbs ....................... 637
Turn signal lever................................. 252
Wattage ...................................................719

Fuel

Capacity................................................... 712
Fuel gauge ...............................................96
Information............................................ 720
Refueling .................................................274
Type............................................................ 712

Fuel filler door.........................................274

Refueling .................................................274
When the fuel filler door

cannot be opened..........................277

Fuses...........................................................632

Garage door opener.......................... 560
Gauges.........................................................96
Glove box ............................................... 534
Grocery bag hooks...............................541

778

Alphabetical index

RX450h_RX450hL_U

Hands-free system

(for cellular phone).............................461

Head restraints....................................... 186
Head-up display.......................................118
Headlight cleaner................................. 267
Headlights ...............................................258

Automatic headlight leveling ...... 260
Automatic High Beam....................262
Light switch.......................................... 258
Replacing light bulbs........................637
Wattage....................................................719
Windshield wiper linked

headlight illumination..................... 261

Heated steering wheel....................... 526
Heaters

Automatic air conditioning

system ..................................... 507, 5 22

Heated steering wheel....................526
Outside rear view mirrors..............516
Seat heaters ..............................526, 527

High mounted stoplight

Replacing ...............................................637

Hill-start assist control........................382
Hood..........................................................595

Open.......................................................595

Hooks

Cargo hooks....................................... 540
Cargo net hooks............................... 540
Front passenger footwell

hooks....................................................557

Grocery bag hooks........................... 541
Retaining hooks (floor mat).............28

Horn.............................................................189
HUD (Head-up display)....................... 118
Humidity sensor......................................521
Hybrid battery air vent...........................79
Hybrid battery (traction battery)

Location .................................................... 78
Specification...........................................713

Hybrid system............................................74

Emergency shut off system ..............79
Energy monitor/

consumption screen.......................124

EV drive mode ................................... 244
High voltage components............... 78
Hybrid System Indicator...................99
Hybrid system precautions ............. 78
Hybrid vehicle driving tips........... 388
If the hybrid system will not

start....................................................... 690

Overheating......................................... 702
Power (ignition) switch...................239
Regenerative braking..........................76
Starting the hybrid system.............239
Vehicle proximity notification

system..................................................... 75

Hybrid System Indicator .......................99
Hybrid transmission .............................246

If the shift lever cannot be

shifted from P...................................250

Paddle shift switches............ 247, 248
S mode....................................................248

779

Alphabetical index

RX450h_RX450hL_U

I/M test .....................................................592
ICS (Intelligent Clearance

Sonar) .................................................... 342

Indicator.....................................................92
Warning light .......................................662
Warning messages.............. 346, 353

Identification

Engine........................................................712
Vehicle ....................................................... 711

Ignition switch (power switch) ........ 239
Illuminated entry system..................... 531
Immobilizer system.................................83
Indicators ....................................................90
Initialization

Engine oil maintenance data.......600
Items to initialize..................................749
Power back door................................150
Tire pressure warning

system ................................................... 612

Inside rear view mirror..........................191
Instrument panel light control ............98
Intelligent Clearance Sonar

(ICS) ....................................................... 342

Indicator.....................................................92
Warning light .......................................662
Warning messages.............. 346, 353

Interior lights...........................................528

Switch.......................................................529
Wattage....................................................719

Intuitive parking assist......................... 332

Jack

Positioning a floor jack....................596
Vehicle-equipped jack................... 674

Jack handle..............................................674
Jam protection function

Electronic sunshade.........................205
Moon roof...............................................201
Panoramic moon roof.....................205
Power back door opener

and closer ........................................... 150

Power windows....................................197

: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

780

Alphabetical index

RX450h_RX450hL_U

Keyless entry

Smart access system with

push-button start .............................158

Wireless remote control.......136, 142

Keys..............................................................132

Battery-saving function....................160
Electronic key ........................................132
Engine switch.......................................239
If the electronic key does not

operate properly.............................692

If you lose your keys................133, 135
Key number plate ................................132
Keyless entry ..........................................132
Mechanical key.................................... 133
Power switch........................................239
Replacing the battery...................... 630
Warning buzzer...................................137
Wireless remote control..................132

Knee airbags ............................................. 37

Lane-Keeping Assist (LKA) .............297
Language (multi-information

display) ..................................................... 113

LATCH anchors.......................................67
Lever

Auxiliary catch lever.........................595
Hood lock release lever.................595
Shift lever ............................................... 246
Turn signal lever................................. 252
Wiper lever................................267, 272

Lexus Climate Concierge................ 506
Lexus Display Audio

controller.............................................. 402

Lexus Enform

Lexus Enform Remote

LEXUS Enform Safety

Connect.................................................. 571

LEXUS Enform Service

Connect.................................................577

Lexus parking assist monitor........... 363

Display.....................................................364
Precautions...........................................370

Lexus Safety System+ .........................279

Automatic High Beam.................... 262
Dynamic radar cruise control

with full-speed range ................. 306

LKA (Lane-Keeping Assist) ........297
PCS (Pre-Collision System) ...... 286

781

Alphabetical index

RX450h_RX450hL_U

License plate lights

Light switch.......................................... 258
Replacing light bulbs........................637

Light

Automatic High Beam....................262
Cornering lights..................................259
Fog light switch ...................................266
Headlight switch................................ 258
Illuminated entry system.................. 531
Interior light list ................................... 528
Interior lights.........................................529
Luggage compartment light .........148
Personal lights ....................................530
Replacing light bulbs........................637
Turn signal lever .................................252
Vanity lights ..........................................547
Wattage....................................................719
Welcome lighting ............................... 261

Light bulbs

Replacing ...............................................637
Wattage....................................................719

LKA (Lane-Keeping Assist)............. 297
Lock steering column......................... 242
Luggage cover ........................................541

Maintenance

Do-it-yourself maintenance.........593
General maintenance.................... 589
Maintenance data................................710
Maintenance requirements..........587

Malfunction indicator lamp.............. 660
Meter

Head-up display ................................... 118
Indicators ..................................................90
Instrument panel light

control.....................................................98

Meters........................................................96
Multi-information display.................. 101
Settings ....................................................108
Warning lights.................................... 660
Warning messages ..........................667

Mirrors

Inside rear view mirror....................... 191
Outside rear view mirror

defoggers.............................................516

Outside rear view mirrors ..............193
Vanity mirrors ..................................... 547

: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

782

Alphabetical index

RX450h_RX450hL_U

Moon roof

Door lock linked moon

roof operation...................................198

Jam protection function................... 201
Operation............................................. 200

MP3 disc..................................................433
Multi-information display

AWD Control display......................106
Clock...........................................................96
Drive information ................................105
Dynamic radar cruise control

with full-speed range................... 306

Energy monitor.....................................124
G-force display.................................... 107
Language..................................................113
LKA (Lane-Keeping Assist)........ 302
Outside temperature..........................96
PCS (Pre - Collision system) ......287
Settings.....................................................108
Suggestion function.............................116
Sway warning display .......................106
Warning messages...........................667

Navigation system

Noise from under vehicle........................8

Odometer.................................................. 115
Oil

Engine oil.................................................713
Rear differential oil ..............................716

Opener

Fuel filler door...................................... 276
Hood........................................................595
Power back door ................................143

Outside rear view mirrors..................193

Adjusting and folding ........................193
Blind Spot Monitor (BSM).............319
Linked mirror function

when reversing..................................194

Mirror position memory ................... 181
Outside rear view mirror

defoggers.............................................516

Outside temperature display..............96
Overheating............................................702

783

Alphabetical index

RX450h_RX450hL_U

Paddle shift switches................247, 2 48
Panic mode ...............................................133
Panoramic moon roof ........................204

Jam protection function................. 205
Operation..............................................204

Parking brake.........................................253

Parking brake engaged

warning buzzer/message......... 255

Warning light ........................................ 661

Parking lights

Light switch.......................................... 258
Replacing light bulbs........................637

PCS (Pre-Collision System)............286

Warning light .......................................662

Personal lights........................................530
Power back door....................................142

Touchless power back door......... 144
Wireless remote control..................142

Power back door opener and

closer........................................................142

Power control unit coolant

Capacity...................................................715
Checking................................................ 601
Preparing and checking

before winter....................................390

Radiator..................................................602

Power easy access system.................. 181
Power outlets......................................... 555
Power steering (Electric Power

Steering system)................................ 383

Warning light.........................................661

Power switch.......................................... 239
Power windows

Door lock linked window

operation............................................. 198

Jam protection function....................197
Operation................................................196
Window lock switch ..........................196

Pre-Collision System (PCS)............ 286

Warning light.......................................662

: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

LEXUS RX 450HL (2019 year). Instruction - part 48