light LEXUS RX450h 2018 Owners Manual

RX450h_RX450hL _U_OM48F85UPictorial index Search by illustration
1
For safety
and security Make sure to read through them
2
Instrument cluster How to read the gauges and meters, the variety of
warning lights and indicators, etc.
3
Operation of
each component Opening and closing the doors and windows,
adjustment before driving, etc.
4
Driving Operations and advice which are necessary for driving
5
Lexus Display
Audio system Operating the Lexus Display Audio system
6
Interior features Usage of the interior features, etc.
7
Maintenance
and care Caring for your vehicle and maintenance procedures
8
When trouble
arises What to do in case of malfunction or emergency
9
Vehicle
specifications Vehicle specifications, customizable features, etc.
10
For owners Reporting safety defects for U.S. owners, and seat belt,
SRS airbag and headlight aim instructions for Canadian
owners
Index Search by symptom
Search alphabetically

TABLE OF CONTENTS
2
RX450h_RX450hL _U_OM48F85UFor your information................................... 8
Reading this manual................................... 14
How to search ..............................................15
Pictorial index............................................... 16
1-1. For safe use
Before driving ................................ 28
For safe driving .............................. 30
Seat belts .......................................... 32
SRS airbags ..................................... 36
Front passenger occupant
classification system ..................47
Exhaust gas precautions............ 53
1-2. Child safety
Riding with children ..................... 54
Child restraint systems ............... 55
1-3. Hybrid system
Hybrid system features ...............74
Hybrid system precautions....... 78
1-4. Theft deterrent system
Immobilizer system ...................... 83
Alarm ................................................. 86
2. Instrument cluster
Warning lights and
indicators....................................... 90
Gauges and meters ..................... 96
Multi-information display .......... 101
Head-up display ............................ 118
Energy monitor/
consumption screen ................124 3-1. Key information
Keys ...................................................132
3-2. Opening, closing and
locking the doors
Side doors.......................................136
Power back door ......................... 142
Smart access system with
push-button start...................... 158
3-3. Adjusting the seats
Front seats ...................................... 167
Rear seats ...................................... 168
Driving position memory........... 181
Head restraints ............................ 186
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 189
Inside rear view mirror ............... 191
Outside rear view mirrors .......193
3-5. Opening, closing the
windows and moon roof
Power windows ............................196
Moon roof..................................... 200
Panoramic moon roof.............. 2041
For safety and security
2
Instrument cluster 3
Operation of each
component

3 1
987432
10
RX450h_RX450hL _U_OM48F85U 654-1. Before driving
Driving the vehicle ......................212
Cargo and luggage .................. 220
Vehicle load limits ..................... 223
Trailer towing (vehicles
with towing package)............ 224
Trailer towing (vehicles
without towing
package)..................................... 237
Dinghy towing ............................. 238
4-2. Driving procedures
Power (ignition) switch............ 239
EV drive mode ............................ 244
Hybrid transmission.................. 246
Turn signal lever ......................... 252
Parking brake .............................. 253
Brake Hold ................................... 256
4-3. Operating the lights and
wipers
Headlight switch ........................ 258
Automatic High Beam............. 262
Fog light switch ........................... 266
Windshield wipers and
washer ......................................... 267
Rear window wiper and
washer ..........................................272 4-4. Refueling
Opening the fuel tank cap ......274
4-5. Using the driving support
systems
Lexus Safety System+ .............. 279
PCS
(Pre-Collision System) ......... 286
LKA
(Lane-Keeping Assist).......... 297
Dynamic radar cruise
control with full-speed
range ............................................ 306
BSM (Blind Spot Monitor).......319
• BSM function......................... 323
• RCTA function...................... 327
Intuitive parking assist.............. 332
Intelligent Clearance Sonar
(ICS)............................................. 342
Lexus parking assist
monitor........................................ 363
Driving mode select
switch ........................................... 379
Driving assist systems .............. 382
4-6. Driving tips
Hybrid vehicle driving tips .....388
Winter driving tips..................... 390
Utility vehicle precautions ..... 3944
Driving

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987432
10
RX450h_RX450hL _U_OM48F85U 655-11. Bluetooth ®
What to do if...
(Troubleshooti ng)................... 478
Bluetooth ®
................................... 482
5-12. Other function
“Information” screen ................488
USB photo .................................... 490
Weather information................ 492
Voice command system ......... 493
6-1. Basic operation of the
Remote Touch screen
Remote Touch ............................500
12.3-inch display ........................ 504
6-2. Using the air conditioning
system and defogger
Lexus Climate Concierge ..... 506
Front automatic air
conditioning system ............... 507
Rear automatic air
conditioning system ............... 522
Heated steering wheel/
seat heaters/
seat ventilators ......................... 525
6-3. Using the interior lights
Interior lights list ......................... 528
• Interior lights .......................... 529
• Personal lights.......................530 6-4. Using the storage features
List of storage features ............ 532
• Glove box ............................... 534
• Console box .......................... 534
• Cup holders ........................... 535
• Door pockets ........................ 537
• Bottle holders ........................ 537
• Coin box..................................538
• Auxiliary boxes ..................... 539
Luggage compartment
features ....................................... 540
6-5. Using the other interior
features
Other interior features ............ 547
• Sun visors ................................ 547
• Vanity mirrors ....................... 547
• Clock ........................................ 548
• Wireless charger ................. 548
• Power outlets ........................ 555
•Front passenger
footwell hooks ....................... 557
• Rear door sunshades ......... 557
• Armrest....................................558
• Assist grips ............................. 559
• Coat hooks............................. 559
Garage door opener ............... 560
Compass ....................................... 567
LEXUS Enform Safety
Connect........................................ 571
LEXUS Enform Remote ......... 576
LEXUS Enform Service
Connect.......................................5776
Interior features

TABLE OF CONTENTS
6
RX450h_RX450hL _U_OM48F85U7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ................580
Cleaning and protecting
the vehicle interior.................. 584
7-2. Maintenance
Maintenance
requirements ............................ 587
General mainte nance..............589
Emission inspection and
maintenance (I/M)
programs.................................... 592
7-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions................................ 593
Hood ............................................... 595
Positioning a floor jack ............ 596
Engine compartment ............... 597
12-volt battery ............................. 605
Tires .................................................... 611
Tire inflation pressure .............. 620
Wheels ........................................... 623
Air conditioning filter ............... 625
Windshield wiper inserts ........ 628
Electronic key battery.............. 630
Checking and replacing
fuses.............................................. 632
Headlight aim .............................. 635
Light bulbs .................................... 637 8-1. Essential information
Emergency flashers .................. 652
If your vehicle has
to be stopped in
an emergency .......................... 653
8-2. Steps to take in
an emergency
If your vehicle needs to be
towed ........................................... 654
If you think something is
wrong........................................... 659
If a warning light turns
on or a warning buzzer
sounds ......................................... 660
If a warning message is
displayed .................................... 667
If you have a flat tire .................. 673
If the hybrid system will
not start ....................................... 690
If the electronic key does
not operate properly ............. 692
If the 12-volt battery is
discharged................................. 695
If your vehicle overheats......... 702
If the vehicle becomes stuck .........7067
Maintenance and care 8
When trouble arises

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10
RX450h_RX450hL _U_OM48F85U 659-1. Specifications
Maintenance data
(fuel, oil level, etc.) ....................710
Fuel information ......................... 720
Tire information .......................... 723
9-2. Customization
Customizable features ............ 736
9-3. Initialization
Items to initialize......................... 749
Reporting safety defects for
U.S. owners ........................................... 752
Seat belt instructions for
Canadian owners (in French) ............ 753
SRS airbag instructions for
Canadian owners (in French)........ 754
Headlight aim instructions for
Canadian owners (in French)........ 762 What to do if...
(Troubleshooting)............................... 766
Alphabetical index ................................ 7709
Vehicle specifications
10
For owners Index
For vehicles with a navigation system, refer to the “NAVIGATION SYSTEM
OWNER’S MANUAL” for information re garding the equipment listed below.
• Navigation system
• Audio/visual system • Panoramic view monitor
•Lexus Enform

16
RX450h_RX450hL _U_OM48F85UPictorial index
Pictorial index ■ Exterior
The shape of the lights may differ depending on the grade, etc.
Side doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 136Locking/unlocking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 136
Opening/closing the side windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 196
Locking/unlocking by using the me chanical key . . . . . . . . . . . . . . . . . . . . . . . P. 692
Back door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 142Opening from inside the cabin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 143
Opening from outside . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 143
Outside rear view mirrors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 193 Adjusting the mirror angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 193
Folding the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 193, 194
Driving position memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 181
Defogging the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 516 *
1
2
3

17Pictorial index
RX450h_RX450hL _U_OM48F85UWindshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 267 Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 390
To prevent freezing (windshield wiper de-icer)
* . . . . . . . . . . . . . . . . . . . . . . . . P. 516
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 582
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P . 274Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 276
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 712
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 611Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 717
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 39 0
Checking/rotation/tire pressure warning system . . . . . . . . . . . . . . . . . . . . . . . . P. 611
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 673
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 595Opening. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 595
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 713
Coping with overheat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 702
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 258
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 2 52
Parking lights/daytime running lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 258
Front side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 258
Fog lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 266
Cornering lights
* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 259
Stop/tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 258
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 258
Back-up lights Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 246
Rear side marker lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 258 4
5
6
7
Light bulbs of the exte rior lights for driving
(Replacing method: P. 637, Watts: P. 719)
* : If equipped8
9
10
11
12
13
14
15
16
17

18 Pictorial index
RX450h_RX450hL _U_OM48F85U■ Instrument panel
Power switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 2 39Starting the hybrid system/changing the modes . . . . . . . . . . . . . . . . . . . . . . . P. 239
Emergency stop of the hybrid system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 653
When the hybrid system will not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 690
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 246Changing the shift position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 246
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 654
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 250
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 96Reading the meters/adjusting the instrument panel light . . . . . . . . . . . . .P. 96, 98
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 90
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 660 1
2
3

19Pictorial index
RX450h_RX450hL _U_OM48F85UMulti-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 101 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 101
Energy monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 124
When the warning messages are displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 667
Parking brake switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 253 Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 253, 254
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 391
Warning buzzer/message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 255, 667
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 2 52Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 258
Headlights/side marker lights/parking lights/tail lights/
license plate lights/daytime running lig hts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 258
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 266
Windshield wiper and washer switch . . . . . . . . . . . . . . . . . . . . . . . . . P. 267, 272 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 267, 272
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 60 4
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 652
Hood lock release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 595
Tilt and telescopic steering contro l switch . . . . . . . . . . . . . . . . . . . . . . . . . . P. 189Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 189
Driving position memory
* 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 181
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 507 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 507
Rear window defogger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 516
Audio system
* 2
Audio system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 400
Hands-free system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 461
* 1
: If equipped
* 2
: For vehicles with a navigation system , refer to “NAVIGATION SYSTEM OWNER’S
MANUAL”.4
5
6
7
8
9
10
11
12