
644Alphabetical index
RX450h_U_OM0E013U
DrivingBreak-in tips ........................................ 206
Correct posture.....................................30
Driving mode select switch .......... 377
Hybrid vehicle driving tips.............387
Procedures ...........................................204
Winter drive tips ................................ 390
Driving position memory..................... 174 Memory recall function..................... 177
Power easy access system .............174
Dynamic radar cruise control ......... 323
Dynamic radar cruise control with full-speed range .......................... 311
E-Four ....................................................... 382
ECB (Electronically Controlled Brake System) ..................................... 381
Eco drive mode ......................................377
EDR (Event data recorder) .................... 11
Electric motor Location ..................................................... 76
Specification ........................................ 584
Electric Power Steering (EPS) ........ 381 Warning light .......................................537
Electronic key ..........................................132 Battery-saving function .................... 159
If the electronic key does not operate properly............................ 564
Replacing the battery ...................... 506 Electronically Controlled
Brake System (ECB) .........................381
Emergency flashers ............................ 528
Emergency, in case of If a warning buzzer sounds ..........536
If a warning light turns on ..............536
If a warning message is displayed ............................................ 543
If the 12-volt battery is discharged........................................ 568
If the electronic key does not operate properly ............................564
If the hybrid system will not start .................................................561
If you have a flat tire ..........................549
If you lose your keys................ 133, 135
If you think something is wrong...................................................535
If your vehicle becomes stuck...................................................... 578
If your vehicle has to be stopped in an
emergency ........................................ 529
If your vehicle needs to be towed ...................................................530
If your vehicle overheats ................ 574
Energy monitor ....................................... 124
E

645Alphabetical index
RX450h_U_OM0E013U
EngineACCESSORY mode...................... 233
Compartment......................................475
Engine switch ....................................... 232
Hood ........................................................ 473
How to start the hybrid system .................................................. 232
Identification number ...................... 583
If your vehicle has to be stopped in an emergency ..........529
Ignition switch (power switch) .... 232
Overheating .........................................574
Power switch........................................ 232
Engine coolant Capacity ................................................ 587
Checking................................................ 479
Preparing and checking before winter ................................... 390
Engine coolant temperature gauge .........................................................97
Engine oil Capacity ................................................ 585
Checking................................................ 476
Preparing and checking before winter ................................... 390
Engine oil maintenance data ........... 478
Engine switch ......................................... 232
Enhanced VSC ...................................... 381
EPS (Electronic Power Steering) ......... 381 Warning light .......................................537
EV drive mode....................................... 237
EV indicator ............................................... 78
Event data recorder (EDR) .................... 11 Flat tire ...................................................... 549
Floor mats................................................... 28
Fluid
Brake....................................................... 588
Transmission ....................................... 588
Washer ................................................... 482
Fog lights Replacing light bulbs .........................513
Switch ...................................................... 259
Front passenger footwell hooks.......................................................442
Front passenger occupant classification system ............................. 51
Front passenger’s seat belt reminder light ..................................... 538
Front seat heaters .................................. 415
Front seats ................................................. 164 Adjustment..............................................164
Cleaning................................................. 462
Correct driving posture .................... 30
Driving position memory................. 174
Head restraints ..................................... 179
Power easy access system ............. 174
Seat heaters ............................................415
Seat position memory ....................... 174
Front side marker lights Light switch............................................. 251
Replacing light bulbs .........................513
Wattage ................................................ 590F

647Alphabetical index
RX450h_U_OM0E013U
Horn .............................................................. 181
HUD (Head-up display) ....................... 118
Humidity sensor ......................................413
Hybrid battery air vent ............................81
Hybrid battery (traction battery)Location .................................................... 80
Specification ........................................ 585
Hybrid system ............................................76 Emergency shut off system............... 81
Energy monitor/consumption screen .......................124
EV drive mode.................................... 237
High voltage components .............. 80
Hybrid System Indicator .................100
Hybrid system precautions............. 80
Hybrid vehicle driving tips.............387
If the hybrid system will not start ......................................................... 561
Overheating .........................................574
Power (ignition) switch ................... 232
Regenerative braking ......................... 78
Starting the hybrid system ............. 232
Vehicle proximity notification system ..................................................... 77
Hybrid System Indicator..................... 100
Hybrid transmission ............................ 239 If the shift lever cannot be shifted from P .................................. 563
Paddle shift switches ............. 240, 241
S mode ......................................................241 I/M test ......................................................470
Identification
Engine .....................................................583
Vehicle ....................................................583
Ignition switch (power switch) .........232
Illuminated entry system ................... 420
Immobilizer system ................................ 85
Indicators .....................................................92
Initialization Engine oil maintenance data ....... 478
Items to initialize ...................................619
Power back door ............................... 150
Tire pressure warning system ................................................. 488
Inside rear view mirror.........................183
Instrument panel light control .............99
Interior lights ............................................ 417 Switch ........................................................418
Wattage ................................................ 590
Intuitive parking assist ........................ 339
Jack Positioning a floor jack.................... 474
Vehicle-equipped jack .................. 550
Jack handle ............................................. 550
Jam protection function Electronic sunshade.......................... 198
Moon roof ...............................................194
Panoramic moon roof...................... 198
Power back door openerand closer ........................................... 150
Power windows................................... 190I
J

652Alphabetical index
RX450h_U_OM0E013U
Radar cruise control (dynamic radar cruise control) ........................ 323
Radar cruise control (dynamic radar cruise control
with full-speed range) ........................ 311
Radiator ....................................................480
Rear Cross Traffic Alert .................... 363
Rear door sunshades .......................... 443
Rear seat Folding down the rear seatbacks ............................................. 165
Rear seat heaters....................................416
Rear side marker lights Light switch ............................................ 251
Replacing light bulbs ......................... 513
Rear turn signal lights Replacing light bulbs ......................... 513
Turn signal lever ................................. 244
Wattage ................................................. 590
Rear view mirror Inside rear view mirror ..................... 183
Outside rear view mirrors .............. 185
Rear window defogger ...................... 409
Rear window wiper.............................. 265 Refueling................................................... 267
Capacity.................................................584
Fuel types...............................................584
Opening the fuel tank cap ............ 267
When the fuel filler door cannot be opened ......................... 269
Regenerative braking.............................78
Remote Touch
*.................................... 398
Replacing Electronic key battery .................... 506
Fuses ....................................................... 508
Light bulbs...............................................513
Tires .......................................................... 549
Windshield wiper inserts ...............504
Reporting safety defects for U.S. owners ...................................622
Resetting the message indicating maintenance is required .................466
Rev indicator ..............................................99
Rev peak ......................................................99
Road accident cautions ........................ 83
R

654Alphabetical index
RX450h_U_OM0E013U
SensorAutomatic headlight system .........253
Camera sensor ................................... 273
Humidity sensor .................................. 413
Inside rear view mirror ..................... 184
Intuitive parking assist ......................339
Radar sensor ........................................ 273
Rain-sensing windshield wipers .................................................... 261
Touchless sensor ................................ 144
Service reminder indicators ............... 92
Shift lever ................................................. 239
Side airbags ............................................... 39
Side doors..................................................136
Side marker lights Light switch ............................................ 251
Replacing light bulbs ......................... 513
Side mirrors ............................................. 185 Adjusting and folding........................ 185
Blind Spot Monitor (BSM)............363
Heaters................................................... 409 Side turn signal lights
Replacing light bulbs .........................513
Turn signal lever ................................. 244
Smart access system with push-button start .......................158 Antenna location................................. 158
Entry functions ............................136, 142
Starting the hybrid system............. 232
Snow tires ................................................ 392
Spare tire Inflation pressure............................... 589
Storage location ................................ 550
Spark plug ............................................... 587
Specifications......................................... 582
Speedometer ............................................. 97
Sport mode .............................................. 377
Steering wheel ......................................... 181 Adjustment............................................... 181
Heated steering wheel .....................415
Power easy access system ............. 174
Stop lights Replacing light bulbs .........................513
Storage feature ....................................... 421
Storage precautions ............................. 421
Stuck If the vehicle becomes stuck........ 578

656Alphabetical index
RX450h_U_OM0E013U
Tachometer ................................................97
Tail lightsLight switch ............................................ 251
Replacing light bulbs ......................... 513
Theft deterrent system Alarm........................................................... 87
Immobilizer system ............................. 85
Tire inflation pressure Maintenance data ............................. 589
Warning light ...................................... 538
Tire information ..................................... 594 Glossary .................................................. 601
Size ............................................................597
Tire identification number............. 596
Uniform Tire Quality Grading.............................................. 599
Tire pressure warning system Initializing............................................... 488
Installing tire pressure warning valves and transmitters ............... 488
Registering ID codes ...................... 489
Warning light ...................................... 538 Tires ............................................................487
Chains .......................................................391
Checking ............................................... 487
Glossary.................................................. 601
If you have a flat tire ..........................549
Inflation pressure................... 496, 589
Replacing ............................................... 549
Rotating tires ........................................ 487
Size .......................................................... 589
Snow tires .............................................. 392
Spare tire................................... 549, 589
Tire identification number .............596
Tire pressure warning system .... 488
Uniform Tire Quality Grading....599
Warning light .......................................538
Tools .......................................................... 550
Top tether strap ........................................ 74
Total load capacity............................... 582
Touchless power back door .............. 144
Towing Dinghy towing ....................................... 231
Emergency towing ...........................530
Trailer Sway Control ....................... 382
Trailer towing............................. 217, 230
TRAC (Traction Control)...................381
Traction Control (TRAC)...................381
Trailer Sway Control .......................... 382
Trailer towing ................................217, 230
T

658Alphabetical index
RX450h_U_OM0E013U
Warning lightsABS...........................................................537
Brake hold operated indicator ..............................................537
Brake system....................................... 536
Charging system............................... 536
Electric power steering...................537
LDA indicator ......................................537
LKA indicator.......................................537
Low fuel level ...................................... 538
Malfunction indica tor lamp .......... 536
Master warning light........................ 538
Parking brake indicator ..................537
PCS warning light ............................ 538
Seat belt reminder light.................. 538
Slip indicator .........................................537
SRS ........................................................... 536
Tire pressure ....................................... 538
Warning messages .............................. 543
Washer Checking................................................482
Low washer fluid warning message .............. 482, 543
Preparing and checking before winter ................................... 390
Switch.......................................... 260, 265
Washing and waxing........................... 458 Weights
Cargo capacity.........................212, 582
Load limits .................................. 216, 582
Weights ..................................................582
Wheels ..................................................... 499 Replacing wheels .............................. 499
Size .......................................................... 589
Window glasses......................................189
Window lock switch..............................189
Windows Power windows................................... 189
Rear window defogger ..................409
Washer .......................................260, 265
Windshield wiper de-icer ................. 409
Windshield wiper inserts .................. 504
Windshield wipers ............................... 260 Rain-sensing windshield wipers................................................... 260
Replacing a windshield wiper insert .....................................................504
Winter driving tips ............................... 390

660
RX450h_U_OM0E013UGAS STATION INFORMATION
Auxiliary catch leverFuel filler door
P. 473 P. 269
Hood lock release leverFuel filler door openerTire inflation pressure
P. 473 P. 269P. 589
Fuel tank capacity
(Reference)17.2 gal. (65 L, 14.3 Imp. gal.)
Fuel type
Unleaded gasoline only P. 584
Cold tire inflation
pressure P. 589
Engine oil capacity
(Drain and refill —
reference)With filter
Without filter 5.8 qt. (5.5 L, 4.8 Imp. qt.)
5.6 qt. (5.3 L, 4.7 Imp. qt.)
Engine oil type“Toyota Genuine Motor
Oil” or equivalent
Oil grade: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 0W-20 P. 586