cruise control LEXUS RX450h 2022 Owner's Manual

4347-2. Steps to take in an emergency
7Confirm it is not loose after tighten-
ing:
1 Push and pull the tire
2 Try rotating
Visually check to ensure tire is not hung on
surrounding parts.
If looseness or misassembly exists, repeat
steps 2 to 7.
8 Repeat step 7, any time the tire is
lowered or disturbed.
9 Stow the jack and all tools.
■The compact spare tire
●The compact spare tire is identified by the
label “TEMPORARY USE ONLY” on
the tire sidewall. Use the compact spare
tire temporarily, and only in an emer-
gency.
●Make sure to check the tire inflation pres-
sure of the compact spare tire. ( P.458)
■When using the compact spare tire
As the compact spare tire is not equipped
with a tire pressure warning valve and trans-
mitter, low inflation pressure of the spare
tire will not be indicated by the tire pressure
warning system. Also, if you replace the
compact spare tire after the tire pressure
warning light comes on, the light remains
on.
■When the compact spare tire is
equipped
When driving with the compact spare tire
installed, the vehicle he ight will be different
than when driving with standard tires.
■If you have a flat front tire on a road cov-
ered with snow or ice
Install the compact spare tire on one of the
rear wheels of the ve hicle. Perform the fol-
lowing steps and fit tire chains to the front
tires:
1 Replace a rear tire with the compact
spare tire.
2 Replace the flat front tire with the tire
removed from the rear of the vehicle.
3 Fit tire chains to the front tires.
WARNING
■When using the compact spare tire
●Remember that the compact spare tire
provided is specific ally designed for
use with your vehicle. Do not use your
compact spare tire on another vehicle.
●Do not use more than one compact
spare tire simultaneously.
●Replace the compact spare tire with a
standard tire as soon as possible.
●Avoid sudden acceleration, abrupt
steering, sudden braking and shifting
operations that cause sudden engine
braking.
■When the compact spare tire is
attached
The vehicle speed may not be correctly
detected, and the following systems may
not operate correctly:
• ABS & Brake assist
•VSC
•TRAC
• Trailer Sway Control
•EPS
•VDIM
• Adaptive Variable Suspension System (if equipped)
• Dynamic radar cruise control with full-speed range

506Alphabetical Index
Fluid ......................................................369, 457
Parking brake ................................................193
Regenerative braking ................................. 67
Warning light ................................................ 410
Brake assist .................................................... 278
Break-in tips.....................................................163
Brightness control Instrument panel light control ................ 87
BSM (Blind Spot Monitor)....................... 246
Buzzer Hands off steering wheel warning (LTA)......................................................................... 232
C
Care Exterior .......................................................... 350
Interior ............................................................. 353
Seat belts........................................................ 353
Wheels and wheel ornaments........... 350
Cargo capacity..................................... 167, 170
Cargo hooks ................................................. 324
Cargo net hooks .......................................... 324
Center Display ............................................. 294
Chains .............................................................. 287
Child restraint system Fixed with a LATCH system .................. 54
Fixed with a seat belt...................................50
Front passenger occupant classification system ............................................................. 39
Points to remember .................................... 45
Riding with children ..................................... 45
Types of child restraint system installation method ........................................................... 46
Using an anchor bracket .......................... 57
Child safety 12-volt battery precautions ....... 372, 445
Airbag precautions...................................... 36
Child restraint system................................. 46
Heated steering wheel and seat heater precautions.................................................. 312
How your child should wear the seat belt .............................................................................27 Moon roof precautions............................ 155
Panoramic moon roof precautions ... 158
Power back door precautions ............... 113
Power window lock switch .................... 153
Power window precautions .................. 152
Rear door child-protectors ..................... 112
Seat belt extender prec
autions.............. 27
Seat belt precautions .................................. 45
Child-protectors............................................. 112
Cleaning Exterior........................................................... 350
Interior .............................................................353
Radar sensor .................................................. 212
Seat belts ........................................................353
Wheels and wheel ornaments ........... 350
Clock ....................................................... 83, 338
Coat hooks..................................................... 338
Coin box.......................................................... 322
Compass ......................................................... 346
Condenser ..................................................... 368
Console box .................................................. 320
Cooling system............................................. 367 Engine overheating...................................446
Hybrid system overheating ................. 448
Cornering lights ...........................................200 Replacing light bulbs................................393
Cruise control Dynamic radar cruise control with full-speed range ......................................236
Cup holders .....................................................321
Current fuel consumption .......................... 90
Curtain shield airbags .................................. 30
Customizable features ...............................472
D
Daytime running light system .................. 198
Defogger Outside rear view mirrors.................... 300
Rear window ............................................... 300
Windshield ................................................... 300
Differential Rear differential oil.....................................457

507Alphabetical Index
Dimension ...................................................... 452
Dinghy towing.................................................. 181
DisplayCenter Display............................................ 294
Dynamic radar cruise control with full-speed range ...................................... 236
Energy monitor.............................................. 99
Head-up display ........................................... 95
Intuitive parking assist.............................. 252
LTA (Lane Tracing Assist).................... 230
Multi-information display ..........................88
RCTA .............................................................. 259
Warning message..................................... 420
Distance until next engine oil change .... 87
Do-it-yourself maintenance .................... 357
Door courtesy lights .....................................315 Wattage..........................................................460
Door lock Power back door.......................................... 113
Side doors ...................................................... 109
Smart access system with push-button start .................................................................. 125
Wireless remote control..........................107
Door pockets ................................................ 322
Doors Automatic door lock ing and unlocking
system ..............................................................112
Door glasses ................................................... 151
Door lock warning buzzer ...................... 110
Open door warning buzzer ....................112
Outside rear view mirrors ..................... 148
Rear door child-protectors ......................112
Side doors ...................................................... 109
Drive distance .................................................. 90
Driver’s seat position memory Driving position memory........................ 140
Memory recall function ..............................141
Power easy access system .................... 140
Drive-start control ........................................163
Driving Break-in tips ...................................................163
Correct driving posture ............................ 25 Driving mode select switch .................. 276
Hybrid vehicle driving tips ....................284
Procedures .....................................................162
Winter drive tips ........................................ 286
Driving assist system information ............ 92
Driving information display ........................ 90
Driving position memory........................... 140 Memory recall function.............................. 141
Power easy access system .................... 140
Driving range ................................................... 90
Dynamic radar cruise control with full-speed range ........................................ 236 Warning message ..................................... 244
E
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 278
EDR (Event data recorder) ........................... 8
E-Four .............................................................. 279
Elapsed time ..................................................... 90
Electric motor (traction motor) ................ 66
Electric Power Steering (EPS) .............. 279 Warning light .................................................413
Electronic key ................................................ 106 Battery-saving function.............................126
If the electronic key does not operate properly .......................................................439
Replacing the battery .............................. 386
Electronic sunshade Jam protection function ............................157
Operation ....................................................... 156
Electronically Controlled Brake System (ECB) ............................................................ 278
Emergency flashers .................................... 402
Emergency, in case of If a warning buzzer sounds.................... 410
If a warning light turns on........................ 410
If a warning message is displayed.....420
If the 12-volt battery is discharged ......441
If the electronic key does not operate properly .......................................................439

511Alphabetical Index
LeverAuxiliary catch lever ................................. 363
Hood lock release lever......................... 363
Shift lever......................................................... 189
Turn signal lever ........................................... 192
Wiper lever................................................... 204
Lexus climate concierge .......................... 297
Lexus Enform Safety Connect.................. 60
Lexus Safety System + 2.0 AHB (Automatic High Beam)..............201
Dynamic radar cruise control with full-speed range ...................................... 236
LTA (Lane Tracing Assist).................... 225
PCS (Pre-Collision System)..................218
RSA (Road Sign Assist) ......................... 234
License plate lights Light switch .................................................... 198
Replacing light bulbs................................ 393
Light bulbs Replacing ....................................................... 392
Lights Automatic High Beam system..............201
Fog light switch ........................................... 204
Front interior lights ......................................315
Front personal lights...................................316
Headlight switch ......................................... 198
Interior lights...................................................315
Interior lights list............................................315
Rear interior lights .......................................315
Rear personal lights....................................316
Replacing light bulbs................................ 393
Turn signal lever ........................................... 192
Vanity lights ..................................................340
Wattage..........................................................460
Lock steering column ................................. 183
LTA (Lane Tracing Assist) Operation...................................................... 225
Warning messages .................................. 233
Luggage cover ............................................. 325M
Maintenance Do-it-yourself maintenance .................. 361
General maintenance .............................357
Maintenance data ......................................452
Maintenance requirements ................. 356
Malfunction indicator lamp ........................ 411
Master warning light .................................... 417
Menu icons........................................................ 89
Meter Clock...................................................................83
Hybrid System Indicator ...........................85
Indicators.......................................................... 80
Instrument panel light control................. 87
Meter control switches ..............................89
Meters.................................................................83
Multi-information display ......................... 88
Settings............................................................... 92
Units.......................................................................91
Warning lights .............................................. 410
Warning message .....................................420
Mirrors Inside rear view mirror ..............................147
Outside rear view mirror defoggers300
Outside rear view mirrors...................... 148
Vanity mirrors ............................................. 340
Moon roof Door lock linked moon roof operation........................................................................... 154
Door lock linked panoramic moon roof operation ......................................................157
Jam protection function ........................... 154
Operation ....................................................... 153
Multi-information display ............................ 88 Audio system-linked display ................... 92
AWD Control ..................................................91
Drive information ..........................................90
Driving assist system information ......... 92
Driving information display ......................90
Dynamic radar cruise control with full-speed range ......................................236

513Alphabetical Index
Checking ....................................................... 367
Preparing and checking before winter.........................................................................286
Power easy access system ....................... 140
Power outlets ................................................ 338
Power steering (Elect ric power steering
system).......................................................... 279 Warning light .................................................413
Power switch ...................................................182 Auto power off function .......................... 185
Changing the power switch modes . 185
Power switch (engine switch) If your vehicle has to be stopped in an
emergency ................................................ 402
Power windows Door lock linked window operation..152
Jam protection function............................. 151
Operation......................................................... 151
Window lock switch ..................................153
Pre-Collision System (PCS) Function ............................................................218
PCS OFF switch ........................................ 220
Warning light .................................................416
R
Radar cruise control (dynamic radar cruise control with full-speed range)............. 236
Radiator ........................................................... 368
RCTA Function .......................................................... 259
Warning message.....................................260
RCTA (Rear Cross Traffic Alert) ......... 250
RCTA function ............................................. 260
Rear automatic air conditioning system .......................................................................... 309
Rear Cross Traffic Alert (RCTA) ......... 259
Rear door sunshades ................................. 340
Rear fog lights Switch .............................................................. 204
Rear seats ........................................................ 130 Adjustment....................................................... 131
Folding down the rear seatbacks......... 131 Head restraints..............................................143
Seat heaters ....................................................312
Rear side marker lights Light switch .................................................... 198
Replacing light bulbs................................393
Rear turn signal lights Replacing light bulbs....................393, 397
Turn signal lever ...........................................192
Wattage ......................................................... 460
Rear view mirror Inside rear view mirror ..............................147
Outside rear view mirrors...................... 148
Rear window defogger .............................300
Rear window wiper.....................................208
Refueling Capacity .........................................................454
Fuel types .......................................................454
If the fuel filler do or cannot be opened
......................................................................... 438
Opening the fuel tank cap ................... 209
Regenerative braking ....................................67
Remote Touch .............................................. 292
Replacing Electronic key battery ............................. 386
Fuses................................................................ 388
Light bulbs ..................................................... 392
Tires .................................................................. 424
Resetting the message indicating mainte- nance is required ...................................... 356
Rev indicator .................................................... 85
Rev peak............................................................. 85
Road Sign Assist .............. ............................ 234
RSA (Road Sign Assist) ............................ 234
S
Seat belt reminder light.....................413, 414
Seat belts............................................................ 26 Automatic Locking Retractor................. 28
Child restraint system installation ......... 46
Cleaning and maintaining the seat belt..........................................................................353
Emergency Locking Retractor .............. 28

515Alphabetical Index
Stop lightsReplacing light bulbs................................ 393
Storage features ........................................... 318
Stuck If the vehicle becomes stuck................ 449
Suggestion function....................................... 93
Sun visors ........................................................ 339
Sunshade Panoramic moon roof.............................. 156
Roof ....................................................................154
Switches Automatic High Beam switch ...............201
Brake Hold switch ......................................196
Door lock switches ........................................ 111
Driving mode select switch .................. 276
Driving position memory switches .... 140
Dynamic radar cruise control with full-speed range switch ....................... 236
Electronic sunshade switch ................... 156
Emergency flashers switch ................... 402
EV drive mode switch ..............................187
Fog light switch ........................................... 204
Garage door opener switches ............ 341
Heated steering wheel switch............... 312
HUD (Head-up display) switch............ 96
Ignition switch................................................182
Instrument panel light control switches ............................................................................ 87
Intuitive parking assist switch............... 253
Light switches ............................................... 198
LTA (Lane Tracing As sist) switch..... 229
Meter control switches .............................. 89
Moon roof switches ...................................153
“ODO TRIP” switch .................................... 87
Outside rear view mi rror switches .... 148
Paddle shift switches .........................190, 191
Panoramic moon roof switches .......... 156
Parking brake switch .................................193
PCS OFF switch ........................................ 220
PKSB (Parking Support Brake) switch ......................................................................... 266
Power switch .................................................182 Power window switches ........................... 151
RCTA switch ............................................... 260
Rear window and outside rear view mir-
ror defoggers switch ........................... 298
Seat heater switches...................................312
Seat ventilator switches ............................312
“SOS” button...................................................60
Tilt and telescopic steering control switch ........................................................................... 146
Tire pressure warning reset switch...378
Vehicle-to-vehicle di stance switch... 236
VSC OFF switch ...................................... 280
Window lock switch.................................. 153
Windshield wiper and washer switch ..........................................................................204
Windshield wiper de-icer switch...... 303
T
Tachometer....................................................... 83 Rev indicator ...................................................85
Rev peak............................................................85
Tail lights Light switch .................................................... 198
Replacing light bulbs................................393
The Secondary Collision Brake ............ 279
Theft deterrent system Alarm................................................................... 74
Immobilizer system ...................................... 73
Tire inflation pressure Maintenance data ..................................... 458
Tire inflation pressure display function.......................................................................... 376
Warning light .................................................414
Tire information ............................................ 463 Glossary ......................................................... 467
Size ................................................................... 465
Tire identification number......................464
Uniform Tire Quality Grading ........... 465
Tire pressure display .................................. 376
Tire pressure warning system Function .......................................................... 376
Initializing........................................................378