maintenance LEXUS RX450h 2018 Owners Manual

749
RX450h_RX450hL _U_OM48F85U 9
Vehicle specifications 9-3. Initialization
Items to initialize The following items must be initialized for normal system operation after such
cases as the 12-volt battery being re connected, or maintenance being per-
formed on the vehicle. Item When to initialize Reference
Message indicating mainte-
nance is required (U.S.A. only) • After the maintenance is per-
formed P. 588
Tire pressure warning system • When changing the tire inflation
pressure by changing traveling
speed
• When changing the tire size
• When rotating the tires P. 613
Oil maintenance • After the maintenance is per-
formed P. 600
Intelligent Clearance Sonar
(ICS) • After reconnecting or changing
the 12-volt battery P. 353
Power back door • After reconnecting or changing
the 12-volt battery P. 150

774 Alphabetical index
RX450h_RX450hL _U_OM48F85UChild-protectors.....................................139
Cleaning.......................................580, 584
Aluminum wheels ............................... 581
Exterior................................................... 580
Interior .................................................... 584
Seat belts ............................................... 585
Clock ................................................ 96, 548
Coat hooks.............................................. 559
Compass .................................................. 567
Condenser .............................................. 602
Console box ........................................... 534
Consumption screen ................. 105, 124
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-p rotectors ............139
Side doors ...............................................136
Side windows ........................................196 D

776 Alphabetical index
RX450h_RX450hL _U_OM48F85UEmergency, 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

779Alphabetical index
RX450h_RX450hL _U_OM48F85UI/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.................................... 197I J
* : Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

781Alphabetical index
RX450h_RX450hL _U_OM48F85ULicense 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 M
* : Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

784 Alphabetical index
RX450h_RX450hL _U_OM48F85URadar cruise control
(dynamic radar cruise control
with full-speed range) ..................... 306
Radiator .................................................... 602
Radio.......................................................... 426
Rear automatic air conditioning
system .................................................... 522
Rear Cross Traffic Alert ......................319
Rear Cross Traffic Auto
Brake ...................................................... 356
Rear door sunshades .......................... 557
Rear passengers’ seat belt
reminder light ..................................... 662
Rear seat
Folding down the rear
seatbacks ............................................. 168
Rear side marker lights
Light switch .......................................... 258
Replacing light bulbs ........................637
Rear turn signal lights
Replacing light bulbs ........................637
Turn signal lever ................................. 252
Wattage ....................................................719 Rear view mirror
Inside rear view mirror....................... 191
Outside rear view mirrors ..............193
Rear window defogger ........................ 516
Rear window wiper .............................. 272
Refueling................................................... 274
Capacity................................................... 712
Fuel types................................................. 712
Opening the fuel tank cap .............274
When the fuel filler door
cannot be opened ..........................277
Regenerative braking............................. 76
Remote Touch
* .................................... 500
Replacing
Electronic key battery .....................630
Fuses ........................................................ 632
Light bulbs............................................. 637
Tires .......................................................... 673
Windshield wiper inserts ............... 628
Reporting safety defects
for U.S. owners ...................................752
Resetting the message indicating
maintenance is required ................ 588
Rev indicator ............................................. 98
Rev peak ..................................................... 98
Road accident cautions .......................... 81R

788 Alphabetical index
RX450h_RX450hL _U_OM48F85UTachometer ............................................... 96
Tail lights
Light switch .......................................... 258
Replacing light bulbs ........................637
Talk switch ..................................... 471, 493
Telephone switch.................................... 471
Theft deterrent system
Alarm...........................................................86
Immobilizer system ..............................83
Tire inflation pressure
Maintenance data ................................ 717
Warning light .......................................662
Tire information ..................................... 723
Glossary .................................................730
Size ............................................................ 726
Tire identification number.............. 725
Uniform Tire Quality
Grading...............................................728
Tire pressure warning system
Initializing................................................. 612
Installing tire pressure warning
valves and transmitters ................. 612
Registering ID codes ........................ 613
Warning light .......................................662 Tires .............................................................. 611
Chains .......................................................391
Checking .................................................. 611
Glossary................................................. 730
If you have a flat tire .......................... 673
Inflation pressure...................... 620, 717
Replacing ............................................... 673
Rotating tires ........................................... 611
Size ............................................................. 717
Snow tires .............................................. 392
Spare tire...................................... 673, 717
Tire identification number ............. 725
Tire pressure warning system ....... 612
Uniform Tire Quality Grading.... 728
Warning light ....................................... 662
Tools ........................................................... 674
Top tether strap ........................................70
Total load capacity................................. 710
Touchless power back door .............. 144
Towing
Dinghy towing ..................................... 238
Emergency towing ........................... 654
Towing eyelet ......................................656
Trailer Sway Control ....................... 382
Trailer towing............................ 224, 237T