Lexus RX450h User manual

TABLE OF CONTENTS
RX450h_EE
1
1Before driving Information on the hybrid system and adjusting and op-
erating features such as door locks, mirrors, and steer-
ing column.
2When driving Driving, stopping and safe-driving information.
3Interior features Air conditioning and audio systems, as well as other in-
terior features for a comfortable driving experience.
4Maintenance and
care Cleaning and protecting your vehicle, performing do-it-
yourself maintenance, and maintenance information.
5When trouble
arises What to do if the vehicle needs to be towed, gets a flat
tire, or is involved in an accident.
6Vehicle specifica-
tions Detailed vehicle information.
Index Alphabetical listing of information contained in this
manual.

TABLE OF CONTENTS Index
RX450h_EE
2
1-1. Hybrid system
Hybrid system...................... 34
Hybrid system precautions... 38
Energy monitor/consumption
screen ................................. 43
Hybrid vehicle driving tips .. 48
1-2. Key information
Keys ..................................... 50
1-3. Opening, closing and locking
the doors
Smart entry & start system... 55
Wireless remote control....... 78
Side doors............................. 81
Back door............................. 85
1-4. Adjustable components
(seats, mirrors,
steering wheel)
Front seats ............................ 96
Rear seats ............................. 99
Driving position memory... 103
Head restraints.................... 107
Seat belts ............................ 109
Steering wheel.................... 114
Anti-glare inside rear view
mirror ............................... 116
Outside rear view mirrors .. 118
1-5. Opening and closing the
windows and moon roof
Power windows.................. 121
Moon roof .......................... 124
Electronic sunshade............ 128
1Before driving
For vehicles with a navigation system, refer to the “Navigation System
Owner’s Manual” for information regarding the equipment listed below.
• Navigation system
• Air conditioning controls
• Windshield wiper de-icer
• Lexus parking assist monitor
• Audio/video system
• Rear window and outside rear
view mirror defogging

1
2
3
4
5
6
RX450h_EE
3
1-6. Refueling
Opening the fuel tank cap .. 130
1-7. Theft deterrent system
Immobilizer system............ 134
Double locking system....... 140
Alarm ................................. 141
1-8. Safety information
Correct driving posture ...... 148
SRS airbags........................ 150
Child restraint systems....... 161
Installing child restraints.... 171
Airbag manual on/off
system .............................. 181
2-1. Driving procedures
Driving the vehicle............. 186
Power (ignition) switch...... 196
EV drive mode ................... 202
Hybrid transmission........... 205
Turn signal lever ................ 212
Parking brake ..................... 213
Horn ................................... 214
2-2. Instrument cluster
Gauges and meters ............. 215
Indicators and warning
lights................................. 219
Multi-information display.. 224
Head-up display ................. 232
2-3. Operating the lights and
windshield wipers
Headlight switch ................ 237
Fog light switch.................. 242
Windshield wipers and
washer.............................. 243
Rear window wiper and
washer.............................. 247
Headlight cleaner switch.... 249
2-4. Using other driving systems
Cruise control..................... 250
Dynamic radar cruise
control.............................. 254
Lexus parking assist-sensor 268
Electronically modulated
air suspension................... 276
Rear view monitor system.. 283
Driving assist systems........ 291
Hill-start assist control ....... 297
Pre-Crash Safety system .... 299
2When driving

TABLE OF CONTENTS Index
RX450h_EE
4
2-5. Driving information
Utility vehicle precautions. 308
Cargo and luggage ............. 313
Winter driving tips ............. 316
Trailer towing
(AWD models)................. 320
Trailer towing
(2WD models).................. 330
3-1. Using the air conditioning
system and defogger
Automatic air conditioning
system .............................. 334
Rear window defogger
switch............................... 342
Windshield wiper de-icer... 343
3-2. Using the audio system
Audio system...................... 344
Using the radio................... 347
Using the CD player........... 351
Playing MP3 and WMA
discs ................................. 358
Operating an iPod............... 364
Operating a USB memory.. 372
Bluetooth®audio system ... 380
Using the Bluetooth®audio
system .............................. 385
Operating a Bluetooth®
enabled portable player.... 388
Setting up a Bluetooth®
enabled portable player.... 390
Bluetooth®audio system
setup................................. 394
Optimal use of the audio
system .............................. 395
Using the AUX port........... 397
Using the steering wheel
audio switches.................. 399
Hands-free system for
mobile phones.................. 402
Using the hands-free system
(for mobile phones).......... 408
Making a phone call........... 414
Setting a mobile phone....... 418
Security and system setup.. 422
Using the phone book ........ 426
3-3. Using the interior lights
Interior lights list................ 431
• Interior lights.................... 432
• Personal lights.................. 432
3Interior features

1
2
3
4
5
6
RX450h_EE
5
3-4. Using the storage features
List of storage features....... 434
• Glove box......................... 435
•Bottleholders/
door pockets..................... 436
• Cup holders...................... 437
• Console box ..................... 440
• Coin holder ...................... 441
• Auxiliary box................... 442
• Under tray ........................ 443
3-5. Other interior features
Sun visors........................... 444
Vanity mirror...................... 445
Clock.................................. 446
Outside temperature
display.............................. 447
Multi-display light control. 448
Power outlets...................... 449
Heated steering wheel........ 451
Seat heaters and
ventilators......................... 452
Armrest............................... 454
Coat hooks.......................... 455
Assist grips......................... 456
Floor mat............................ 457
Luggage compartment
features............................. 459
4-1. Maintenance and care
Cleaning and protecting
the vehicle exterior........... 464
Cleaning and protecting
the vehicle interior ........... 467
4-2. Maintenance
Maintenance
requirements..................... 470
4-3. Do-it-yourself maintenance
Do-it-yourself service
precautions....................... 473
Hood................................... 476
Positioning a floor jack...... 477
Engine compartment .......... 479
12-volt battery.................... 488
Tires ................................... 495
Tire inflation pressure........ 507
Wheels................................ 509
Air conditioning filter ........ 511
Electronic key battery ........ 513
Checking and replacing
fuses ................................. 516
Light bulbs ......................... 534
4Maintenance and care

TABLE OF CONTENTS Index
RX450h_EE
6
5-1. Essential information
Emergency flashers............ 552
If your vehicle needs to be
towed................................ 553
If you think something is
wrong ............................... 560
5-2. Steps to take in an
emergency
If a warning light turns on
or a warning buzzer
sounds... .......................... 561
If a warning message is
displayed.......................... 569
If you have a flat tire.......... 589
If the hybrid system will
not start ............................ 603
If the shift lever cannot be
shifted from P................... 605
If you lose your keys.......... 606
If the electronic key does
not operate properly......... 607
If the vehicle 12-volt battery
is discharged..................... 610
If your vehicle overheats.... 615
If the vehicle becomes
stuck................................. 620
If your vehicle has to
be stopped in an
emergency........................ 622
6-1. Specifications
Maintenance data
(fuel, oil level, etc.).......... 624
Fuel information................. 638
6-2. Customization
Customizable features........ 640
6-3. Initialization
Items to initialize................ 652
Abbreviation............................... 654
Alphabetical index...................... 655
What to do if... ........................... 669
5When trouble arises 6Vehicle specifications
Index

1
2
3
4
5
6
RX450h_EE
7

RX450h_EE
8
Pictorial index Exterior
Headlights
P. 237
Front fog lights
P. 242
Turn signal lights
P. 212
Windshield wipers
P. 243
Moon roof 
Electronic sunshade 
P. 124
P. 128
Outside rear view mir-
rors
P. 118
Hood
P. 476
Daytime running lights/
Front position lights
P. 237
Windshield wiper
de-icer , *
P. 343

RX450h_EE
9
: If equipped
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s
Tires
Rotation
Replacement
Inflation pressure
P. 495
P. 589
P. 633
Tail lights
P. 237
Rear turn signal lights
P. 212
Back door opener
button
P. 85
Rear window wiper
P. 247
Rear fog lights
P. 242
Side doors
P. 81
Back door
P. 85
Fuel filler door
P. 130
Rear window defogger*
P. 342

RX450h_EE
10
Pictorial index Interior
(Left-hand drive vehicles)
SRS driver air-
bag
P. 150
SRS knee air-
bags
P. 150
Front seats
P. 96
SRS front passenger
airbag
P. 150
Power outlet
AUX port
USB port*1
P. 449
P. 397
P. 364, 372
Door pockets
Bottle holders
P. 436
P. 436
Armrest
Auxiliary box 
P. 454
P. 442
Rear SRS side airbags
P. 150
Power outlet
P. 449
Rear seats
P. 99
Power window switch-
es
P. 121
Head restraints
P. 107
Seat belts
P. 109
Front SRS side air-
bags
P. 150
Console box
P. 440
Rear seat entertainment system, *2
Cup holders
P. 437