2022 LEXUS RX450h steering

4788-2. Customization
■Steering wheel (P.146)
■Outside rear view mirrors ( P.148)
*:If equipped
■Power windows, and moon roof* or panoramic moon roof* ( P.151, 153, 156)
*:If equipped
■Moon roof* ( P.153)
*:If equipped
FunctionDefault settingCustomized setting
Auto tilt away functionOnOff——O
FunctionDefault settingCustomized setting
Automatic mirror folding and
extending operation
*
Linked to the lock-
ing/unlocking of the doorsOff
——OLinked to operation of the power switch
FunctionDefault settingCustomized setting
Mechanical key linked opera-
tionOffOn——O
Wireless remote control linked
operationOffOn (open only)——O
Wireless remote control linked
operation signal (buzzer)OnOff——O
FunctionDefault settingCustomized setting
Linked operation of compo-
nents when mechanical key is
used (open only)
Slide onlyTilt only——O
Linked operation of compo-
nents when wireless remote
control is used
Slide onlyTilt only——O
ABC
ABC
ABC
ABC

4808-2. Customization
■PCS (Pre-Collision System) (P.218)
■LTA (Lane Tracing Assist) ( P.225)
■RSA (Road Sign Assist)* ( P.234)
*:If equipped
FunctionDefault settingCustomized setting
PCS (Pre-Collision System)OnOff—O—
Adjust alert timingMiddleEarly—O—Late
FunctionCustomized setting
Lane centering functionOn, Off—O—
Steering assist functionOn, Off—O—
Alert typeSteering wheel vibration, Buzzer—O—
Alert sensitivityHigh, Standard—O—
Vehicle sway warning functionOn, Off—O—
Vehicle sway warning sensitiv-
ityHigh, Standard, Low—O—
FunctionDefault settingCustomized setting
RSA (Road Sign Assist)OnOff—O—
Excess speed notification
methodDisplay onlyNo notification—O—Display and buzzer
Excess speed notification level1 mph (2 km/h)3 mph (5 km/h)—O—5 mph (10 km/h)
Other notifications method
(No-entry notification)Display onlyNo notification—O—Display and buzzer
ABC
ABC
ABC

502What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.438)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.438)
 Is the electronic key battery weak or
depleted? ( P.386)
 Is the power switch in ON mode?
When locking the doors, turn the power
switch off. ( P.185)
 Is the electronic key left inside the
vehicle?
When locking the door s, make sure that
you have the electronic key on your per-
son.
 The function may not operate prop- erly due to the condition of the radio
wave. (
P.126)
 Is the child-protector lock set?
The rear door cannot be opened from
inside the vehicle when the lock is set.
Open the rear door fr om outside and then
unlock the child-protector lock. ( P.112)
Did you press the power switch
while firmly depressing the brake
pedal? ( P.182)
 Is the shift lever in P? ( P.182)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.125)
 Is the steering wheel unlocked?
( P.183)
 Is the electronic key battery weak or
depleted?
In this case, the hy brid system can be
started in a temporary way. ( P.440)
Is the 12-volt battery discharged?
( P.441)
 Is the power switch in ON mode?
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The electronic key does not
operate properly
The doors cannot be locked or
unlocked
The rear door cannot be opened
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted
from P even if you depress the
brake pedal

503What to do if... (Troubleshooting)
If you cannot release the shift lever by
depressing the brake pedal with the power
switch in ON mode (P.190)
It is locked automatically to prevent
theft of the vehicle. ( P.183)
 Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( P.153)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or ON mode (the
hybrid system is not operating) for a
period of time. ( P.185)
 The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.413)
The parking brake indicator is on
Is the parking brake released? ( P.193)
Depending on the situation, other
types of warning buzzer may also
sound. (P.410, 420) 
Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(P.74)
Do one of the following to stop the
alarms:
 Unlock the doors.
 Turn the power switch to ACCES-
SORY or ON mode, or start the
hybrid system.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.420)
When a warning light turns on or a
warning message is displayed, refer
to P.410, 420.
 Stop the vehicle in a safe place and
replace the flat tire with the spare
tire. ( P.424)
The steering wheel cannot be
turned after the hybrid system is
stopped
The windows do not open or
close by operating the power
window switches
The power switch is turned off
automatically
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire

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

508Alphabetical Index
If the fuel filler door cannot be opened.........................................................................438
If the hybrid system will not start ........ 436
If the vehicle is submerged or water on the road is rising......................................403
If you have a flat tire .................................. 424
If you lose your keys.................................438
If you think something is wrong .........409
If your vehicle becomes stuck............. 449
If your vehicle has to be stopped in an
emergency ................................................ 402
If your vehicle needs to be towed .....405
If your vehicle overheats ........................ 446
Energy monitor .....................................99, 100
Engine ACCESSORY mode .............................. 185
Compartment .............................................365
Engine switch.................................................182
Hood................................................................ 363
How to start the hybrid system ............182
Identification number ............................... 453
If the hybrid system will not start ........ 436
If your vehicle has to be stopped in an
emergency ................................................ 402
Ignition switch (power switch) ..............182
Overheating................................................. 446
Power switch .................................................182
Tachometer ..................................................... 83
Engine coolant Capacity .........................................................456
Checking ....................................................... 367
Preparing and checking before winter.........................................................................286
Engine coolant temperature gauge ....... 83
Engine oil Capacity .........................................................455
Checking .......................................................365
Preparing and checking before winter.........................................................................286
Warning light ...................................................411
Engine oil maintenance data .................. 367 Engine switch (power switch) ..................182
If your vehicle has to be stopped in an emergency .................................................402
EPS (Electric Power Steering) .............. 279 Warning light .................................................413
EV drive mode................................................187
EV indicator .......................................................67
Event data recorder (EDR) ........................... 8
F
Flat tire Tire pressure warning system ............. 376
Vehicles with a spare tire....................... 424
Floor mats .......................................................... 24
Fluid Brake ................................................................ 457
Hybrid transmission.................................. 457
Washer .......................................................... 369
Fog lights Switch...............................................................204
Footwell light ...................................................315
Front automatic air conditioning system .......................................................................... 298
Front fog lights Replacing light bulbs................................393
Front passenger footwell hooks ............ 340
Front passenger occupant classification system .............................................................. 39
Front seats Adjustment ......................................................129
Cleaning .........................................................353
Correct driving posture ............................ 25
Driving position memory ........................ 140
Head restraints..............................................143
Memory recall function.............................. 141
Power easy access system .................... 140
Seat heaters ....................................................312
Seat position memory .............................. 140
Seat ventilators ..............................................312
Front side marker light Light switch .................................................... 198
Replacing light bulbs................................393

509Alphabetical Index
Front side marker lightsReplacing light bulbs................................ 393
Wattage..........................................................460
Front turn signal lights Replacing light bulbs................... 393, 395
Turn signal lever ........................................... 192
Wattage..........................................................460
Fuel Capacity ......................................................... 454
Fuel gauge ....................................................... 83
Information ......................................................461
Refueling ........................................................209
Type.................................................................. 454
Warning light .................................................413
Fuel consumption Average fuel economy .............................. 90
Current fuel consumption........................ 90
Fuel filler door If the fuel filler door cannot be opened.........................................................................438
Refueling ........................................................209
Fuel gauge ......................................................... 83
Fuses .................................................................388
G
Garage door opener ...................................341
Gauges ............................................................... 83
G-force................................................................. 91
Glove box ....................................................... 320
Glove box light ............................................. 320
Grocery bag hooks .................................... 324
H
Hands Free Power Back Door ................. 116
Head restraints ...............................................143
Headlight aim ................................................ 390
Headlights Adaptive Front-lighting System (AFS).........................................................................200
Automatic High Beam system..............201
Light switch .................................................... 198 Replacing light bulbs................................393
Head-up display.............................................. 95 Driving information display area ...........95
HUD (Head-up display) switch ............ 96
Hybrid System Indicator ........................... 99
Navigation system-linked display ........98
Settings............................................................... 97
Heated steering wheel ................................312
Heaters Front automatic air conditioning system......................................................................... 298
Heated steering wheel ..............................312
Outside rear view mirrors.................... 300
Rear automatic air conditioning system
......................................................................... 309
Seat heaters ....................................................312
High mounted stoplight Replacing light bulbs................................393
High-voltage components ......................... 69
Hill-start assist control ............................... 279
Hood Open................................................................363
Hooks Cargo hooks................................................ 324
Cargo net hooks........................................ 324
Coat hooks .................................................. 338
Front passenger footwell hooks........ 340
Grocery bag hooks.................................. 324
Retaining hooks (floor mat) ..................... 24
Horn ....................................................................146
HUD (Head-up display) switch ................ 96
Hybrid battery (traction battery) Location ............................................................. 69
Specification .................................................454
Warning message ........................................ 72
Hybrid battery (traction battery) air vents ............................................................................... 71
Hybrid system .................................................. 66 Acoustic Vehicle Aler ting System .......68
Emergency shut off system...................... 72
Energy monitor/co nsumption screen99
EV drive mode............................................. 187