park assist LEXUS RX450h 2022 Owner's Manual

3375-6. Using the other interior features
5
Interior features
RX450h
Pull the armrest down for use.
RX450hL
To adjust the armrest angle, raise the
armrest to the highest position and
then lower the armrest to the lowest
position.
Raise the armrest again to the desired
position and the armrest will be locked
at that position.
When the armrest is locked, the armrest
cannot be lowered.
To lower the armrest, raise the armrest to
the highest position again.
An assist grip installed on the ceiling
can be used to support your body
while sitting on the seat.
NOTICE
■To prevent failure or damage to data
●Do not bring magnetic cards, such as a
credit card, or magnetic recording
media, close to the wireless charger
while charging. Otherwise, data may
be erased due to the influence of mag-
netism. Additionally, do not bring pre-
cision instruments such as wrist
watches, close to the wireless charger,
as such objects may malfunction.
●Do not leave portab le devices in the
cabin. The temperature inside the
cabin may become high when parked
in the sun, and cause damage to the
device.
■To prevent 12-vol t battery discharge
Do not use the wireless charger for a
long period of time with the hybrid sys-
tem is stopped.
Armrest
NOTICE
■To prevent damage to the armrest
Do not apply too much load on the arm-
rest.
Assist grips
WARNING
■Assist grip
Do not use the assist grip when getting in
or out of the vehicle or rising from your
seat.

4087-2. Steps to take in an emergency
3Insert the towing eyelet into the
hole and tighten partially by hand.
4 Tighten down the towing eyelet
securely using a wheel nut wrench
or hard metal bar.
5 Securely attach cables or chains to
the towing eyelet.
Take care not to damage the vehicle body.
6Enter the vehicle being towed and
start the hybrid system.
If the hybrid system does not start, turn the
power switch to ON mode.
7Shift the shift lever to N and release
the parking brake.
Turn automatic mode off. ( P.194)
When the shift lever cannot be shifted:
P.190
■While towing
If the hybrid system is off, the power assist
for the brakes and steering will not function,
making steering and braking more difficult.
■Wheel nut wrench
Wheel nut wrench is installed in luggage
compartment. ( P.425)

4127-2. Steps to take in an emergency
■SRS warning light
■ABS warning light
■Brake Override System warning light/Drive-Start Control warning light*
(warning buzzer)
*: This light illuminates on th e multi-information display.
Warning lightDetails/Actions
Indicates a malfunction in:
The SRS airbag system;
 The front passenger occupant classification system; or
 The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
(U.S.A.)
or
(Canada)
Indicates a malfunction in:
The ABS; or
 The brake assist system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
When a buzzer sounds:
Brake Override System is malfunctioning;
 Drive-Start Control is operating;
 Drive-Start Control is malfunctioning; or
 PKSB (Parking Support Brake) (if equipped) is operating
 Follow the instructions displayed on the multi-information display.
When a buzzer does not sound:
Brake Override System is operating
 Release the accelerator pedal and depress the brake pedal.

4157-2. Steps to take in an emergency
7
When trouble arises
■Intuitive parking assist OFF indicator (warning buzzer)
■RCTA OFF indicator (warning buzzer)
■PKSB OFF indicator (warning buzzer)
Warning lightDetails/Actions
(flashes)
(if equipped)
Indicates a malfunction in the in tuitive parking assist function
 Have the vehicle inspected by your Lexus dealer immediately.
Indicates that the system is temporarily unavailable, possibly due to a
sensor being dirty or covered with ice, etc.
 Follow the instructions displayed on the multi-information display.
( P.254)
Warning lightDetails/Actions
(flashes)
(if equipped)
Indicates a malfunction in the RCTA (Rear Cross Traffic Alert) function
 Have the vehicle inspected by your Lexus dealer immediately.
Indicates that the rear bumper around the radar sensor is covered with
dirt, etc. ( P.246)
 Follow the instructions displayed on the multi-information display.
( P.260)
Warning lightDetails/Actions
(flashes)
(if equipped)
When a buzzer sounds:
Indicates a malfunction in the PKSB (Parking Support Brake) system
 Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
Indicates that the system is temporarily unavailable, possibly due to a
sensor being dirty or covered with ice, etc.
 Follow the instructions displayed on the multi-information display.
( P.270, 420)

4167-2. Steps to take in an emergency
■PCS warning light
■Slip indicator
■Parking brake indicator
Warning lightDetails/Actions
(flashes or illumi-nates)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-Collision System).
 Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
The PCS (Pre-Collision System) has become temporarily unavailable,
corrective action may be necessary.
 Follow the instructions displayed on the multi-information display.
( P.216, 422)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control)
system is disabled, the PCS warning light will illuminate.
 P.224
Warning lightDetails/Actions
When the warning lig ht is illuminated:
Indicates a malfunction in:
 The VSC system;
 The TRAC system;
 The Trailer Sway Control; or
 The hill-start assist control system;
 Have the vehicle inspected by your Lexus dealer immediately.
When the warning light flashes:
Indicates that the ABS, VSC, TRAC or Trailer Sway Control system is
operating
Warning lightDetails/Actions
(flashes)
(U.S.A.)
or
(flashes)
(Canada)
It is possible that the parking brake is not fully engaged or released
 Operate the parking brake switch once again.
This light comes on when the parking brake is not released. If the light
turns off after the parking brake is fu lly released, the system is operating
normally.

4357-2. Steps to take in an emergency
7
When trouble arises
WARNING
• PCS (Pre-Collision System)
• LTA (Lane Tracing Assist)
• RSA (Road Sign Assist) (if equipped)
• Automatic High Beam
• AFS (Adaptive Front-lighting System) (if equipped)
• Tire pressure warning system
• Intuitive parking assist (if equipped)
• PKSB (Parking Support Brake) (if equipped)
• Lexus parking assist monitor (if equipped)
• Panoramic view monitor (if equipped)
• BSM (Blind Spot Monitor) (if equipped)
• Navigation system (if equipped)
Also, not only can the following system
not be utilized fully, but it may even nega-
tively affect the drive-train components:
•E-Four
■Speed limit when using the compact
spare tire
Do not drive at speeds in excess of 50
mph (80 km/h) when a compact spare
tire is installed on the vehicle.
The compact spare tire is not designed
for driving at high speeds. Failure to
observe this precaution may lead to an
accident causing deat h or serious injury.
■After using the tools and jack
Before driving, make sure all the tools
and jack are securely in place in their
storage location to reduce the possibility
of personal injury during a collision or
sudden braking.
NOTICE
■Be careful when driving over bumps
with the compact spare tire installed
on the vehicle
The vehicle becomes lower when driving
with the compact spar e tire compared to
when driving with standard tires. Be
careful when driving over uneven road
surfaces.
■Driving with tire chains and the com-
pact spare tire
Do not fit tire chains to the compact
spare tire. Tire chains may damage the
vehicle body and adversely affect driving
performance.
■When replacing the tires
When removing or fitting the wheels,
tires or the tire pressure warning valve
and transmitter, contact your Lexus
dealer as the tire pressure warning valve
and transmitter may be damaged if not
handled correctly.
■When stowing the flat tire
(RX450hL)
●Ensure that there is no object caught
between the tire and the vehicle
underbody.
●Securely tighten the spare tire clamp
bolt to hold the spare wheel carrier by
the hook.
●Stow the flat tire in the spare tire loca-
tion. Failure to do so may cause dam-
age to the spare tire carrier. Proper
storage reduces the possibility of injury
in a collision or during sudden braking.
●Have the flat tire repaired and the
spare tire replaced wi th it as soon as
possible.

4818-2. Customization
8
Vehicle specifications
■BSM (Blind Spot Monitor)* ( P.246)
*:If equipped
■PKSA (Parking support alert)*( P.250)
*:If equipped
■Intuitive parking assist* ( P.252)
*:If equipped
■RCTA (Rear cross traffic alert) function* ( P.259)
*:If equipped
FunctionDefault settingCustomized setting
BSM (Blind Spot Monitor)OnOff—O—
Outside rear view mirror indi-
cator brightnessBrightDim—O—
Alert timing for presence of
approaching vehicle (sensitiv-
ity)
Intermediate
Early
—O—
Late
Only when vehicle
detected in blind spot
FunctionDefault settingCustomized setting
Buzzer volumeLevel 2Level 1—O—Level 3
FunctionDefault settingCustomized setting
Intuitive parking assistOnOff—O—
FunctionDefault settingCustomized setting
RCTA (Rear cross traffic alert)
functionOnOff—O—
RCTA buzzer volumeLevel 2Level 1—O—Level 3
ABC
ABC
ABC
ABC

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

510Alphabetical Index
High voltage components ....................... 69
Hybrid system precautions ..................... 69
If the hybrid system will not start ........ 436
Overheating.................................................448
Power (ignition) switch.............................182
Regenerative braking ................................. 67
Starting the hybrid system.......................182
Hybrid System Indicator......................85, 99
Hybrid transmission..................................... 189 M mode ............................................................. 191
Paddle shift switches .........................190, 191
Hybrid vehicle driving tips ....................... 284
I
I/M test ............................................................ 360
Identification Engine ............................................................. 453
Vehicle ............................................................ 452
If your vehicle has to be stopped in an
emergency .................................................. 402
Ignition switch (power switch) .................182 Auto power off function .......................... 185
Changing the power switch modes . 185
If your vehicle has to be stopped in an
emergency ................................................ 402
Immobilizer system......... ................................73
Indicators ........................................................... 80
Initialization Items to initialize .........................................485
Maintenance ....................................356, 367
Power windows............................................. 151
Tire pressure warning system ............. 378
Inside rear view mirror ................................ 147
Instrument panel light control ................... 87
Interior lights....................................................315 Front interior light ........................................315
Rear interior light .........................................315
Intuitive parking assist.....................250, 252 Function .......................................................... 252
Warning message..................................... 254
J
JackPositioning a floor jack ............................363
Vehicle-equipped jack ...........................425
Jack handle .................................................... 425
Jam protection function Electronic sunshade ...................................157
Moon roof ...................................................... 154
Panoramic moon roof ...............................157
Power back door.......................................... 119
Power windows ............................................. 151
Rear seats ....................................................... 130
K
Keyless entrySmart access system with push-button start ................................................................. 125
Wireless remote control ......................... 107
Keys Battery-saving function.............................126
Electronic key ............................................... 106
If the electronic key does not operate properly .......................................................439
If you lose your keys ................................ 438
Key number plate ....................................... 106
Keyless entry ....................................... 107, 125
Mechanical key ............................................ 106
Power switch................................................. 182
Replacing the battery .............................. 386
Warning buzzer .......................................... 125
Wireless remote control ......................... 107
Knee airbags .................................................... 30
L
Lane Tracing Assist (LTA) Operation ...................................................... 225
Warning messages................................... 233
Language (multi-infor mation display) ... 92
LATCH anchors ............................................. 54