2022 LEXUS RX350 park assist

3977-2. Steps to take in an emergency
7
When trouble arises
The rear passengers’ seat belt warning buzzer sounds to alert the rear passenger that his or
her seat belt is not fastened. If the seat belt is unfastened, the buzzer sounds intermittently
for a certain period of time, af ter the seat belt is fastened and unfastened and the vehicle
reaches a certain speed.
■Tire pressure warning light
■LTA indicator (warning buzzer)
■Intuitive parking assist OFF indicator (warning buzzer)
■RCTA OFF indicator (warning buzzer)
Warning lightDetails/Actions
Indicates the following:
 Low tire pressure due to flat tire;
 Low tire pressure due to natural causes; or
 The tire pressure warning system is malfunctioning
 Immediately stop the vehicle in a safe place.
Handling method ( P.400)
Warning lightDetails/Actions
(orange)
Indicates a malfunction in the LTA (Lane Tracing Assist)
 Follow the instructions displayed on the multi-information display.
( P.219)
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.240)
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.232)
 Follow the instructions displayed on the multi-information display.
( P.246)

3987-2. Steps to take in an emergency
■PKSB OFF indicator (warning buzzer)
■PCS warning light
■Slip indicator
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.256, 402)
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.202, 405)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control)
system is disabled, the PCS warning light will illuminate.
 P.210
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 VSC, TRAC or Trailer Sway Control system is operat-
ing

4167-2. Steps to take in an emergency
■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.436)
■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 fron t tire on a road cov-
ered with snow or ice
Install the compact spar e tire on one of the
rear wheels of the vehicle. 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 specifically 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 (if equipped)
• Adaptive Variable Suspension System (if equipped)
• Dynamic radar cruise control with full-speed range
• PCS (Pre-Collision System)
• LTA (Lane Tracing Assist)
• RSA (Road Sign Assist) (if equipped)
• Automatic High Beam
• AFS (Adaptive Fron t-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)

4588-2. Customization
■BSM (Blind Spot Monitor)* ( P.232)
*:If equipped
■PKSA (Parking support alert)*( P.236)
*:If equipped
■Intuitive parking assist* ( P.238)
*:If equipped
■RCTA (Rear cross traffic alert) function* ( P.245)
*: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

482Alphabetical Index
BrakeBrake hold.......................................................182
Fluid ......................................................354, 436
Parking brake ................................................ 179
Warning light ............................................... 393
Brake assist .................................................... 265
Break-in tips...................................................... 151
Brightness control Instrument panel light control ................ 78
BSM (Blind Spot Monitor)....................... 232
Buzzer Hands off steering wheel warning (LTA)...........................................................................218
C
Care Exterior ........................................................... 336
Interior ............................................................. 339
Seat belts........................................................ 339
Wheels and wheel ornaments............ 336
Cargo capacity.................................... 155, 158
Cargo hooks ................................................. 309
Cargo net hooks .......................................... 309
Center Display .............................................280
Chains ...............................................................272
Child restraint system Fixed with a LATCH system .................. 54
Fixed with a seat belt...................................50
Front passenger occupa nt 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 Airbag precautions...................................... 36
Battery precautions ......................356, 425
Child restraint system................................. 46
Heated steering wheel and seat heater precautions................................................ 297 How your child should
wear the seat belt
............................................................................. 27
Moon roof precautions.............................144
Panoramic moon roof precautions ....147
Power back door precautions ............... 101
Power window lock switch .....................142
Power window precautions .................... 141
Rear door child-protectors ................... 100
Seat belt extender prec autions.............. 27
Seat belt precautions .................................. 45
Child-protectors........................................... 100
Cleaning Exterior............................................................336
Interior .............................................................339
Radar sensor ................................................. 198
Seat belts ........................................................339
Wheels and wheel ornaments ............336
Clock ........................................................ 75, 323
Coat hooks..................................................... 323
Coin box.......................................................... 307
Compass ...........................................................331
Condenser ..................................................... 354
Console box .................................................. 305
Consumption screen .................................... 90
Cooling system............................................. 353 Engine overheating................................... 426
Cornering lights ............................................ 186 Replacing light bulbs................................375
Cruise control Dynamic radar cruise control with full-speed range ...................................... 222
Cup holders ................................................... 306
Current fuel consumption .......................... 80
Curtain shield airbags .................................. 30
Customizable features .............................. 449
D
Daytime running light system .................. 184
Defogger Outside rear view mirrors.................... 286
Rear window ............................................... 286
Windshield ................................................... 286

483Alphabetical Index
DifferentialRear differential oil .................................... 435
Dimension ...................................................... 430
Dinghy towing.................................................169
Display Center Display............................................280
Dynamic radar cruise control with full-speed range .......................................222
Head-up display ........................................... 86
Intuitive parking assist.............................. 238
LTA (Lane Tracing Assist)...................... 216
Multi-information display .......................... 79
RCTA .............................................................. 245
Warning message..................................... 402
Distance until next engine oil change .... 78
Do-it-yourself maintenance .................... 343
Door courtesy lights ...................................300 Wattage.......................................................... 437
Door lock Power back door.......................................... 101
Side doors ........................................................ 97
Smart access system with push-button start ................................................................... 113
Wireless remote control........................... 95
Door pockets ................................................ 307
Doors Automatic door lock ing and unlocking
system ........................................................... 100
Door glasses ................................................. 140
Door lock warning buzzer ...................... 98
Open door warning buzzer ................. 100
Outside rear view mirrors ...................... 137
Rear door child-protectors ................... 100
Side doors ........................................................ 97
Drive distance .................................................. 80
Driver’s seat position memory Driving position memory......................... 129
Memory recall function ............................. 131
Power easy access system ..................... 129
Drive-start control ......................................... 151
Driving Break-in tips .................................................... 151 Correct driving posture ............................ 25
Driving mode select switch .................. 262
Procedures .................................................... 150
Winter drive tips ........................................... 271
Driving assist system information ............ 83
Driving information display ........................ 80
Driving position memory............................129 Memory recall function.............................. 131
Power easy access system .....................129
Driving range ................................................... 80
Dynamic radar cruise control with full-speed range ........................................ 222 Warning message .....................................230
Dynamic Torque Control AWD system .......................................................................... 266
E
Eco Driving Indicator............................. 81, 90
Eco Driving Indicator Light ..........................81
EDR (Event data recorder) ........................... 8
Elapsed time ..................................................... 80
Electric Power Steering (EPS) .............. 266 Warning light .............................................. 395
Electronic key .................................................. 94 Battery-saving function.............................. 114
If the electronic key does not operate properly .........................................................421
Replacing the battery .............................. 369
Electronic sunshade Jam protection function ........................... 146
Operation ....................................................... 145
Emergency flashers .................................... 384
Emergency, in case of If a warning buzzer sounds...................393
If a warning light turns on.......................393
If a warning message is displayed.....402
If the battery is discharged .................... 423
If the electronic key does not operate properly .........................................................421
If the engine will not start......................... 418
If the fuel filler do or cannot be opened
..........................................................................420

486Alphabetical Index
Indicators ............................................................72
InitializationItems to initialize ......................................... 462
Maintenance .................................... 342, 353
Power windows........................................... 140
Tire pressure warning system ...............361
Inside rear view mirror ................................136
Instrument panel light control ................... 78
Intercooler coolant Capacity ......................................................... 434
Interior lights..................................................300 Front interior light ..................................... 300
Rear interior light ...................................... 300
Intuitive parking assist.....................236, 238 Function .......................................................... 238
Warning message..................................... 240
J
JackPositioning a floor jack............................ 349
Vehicle-equipped jack ........................... 407
Jack handle .................................................... 407
Jam protection function Electronic sunshade ...................................146
Moon roof .......................................................143
Panoramic moon roof...............................146
Power back door.........................................107
Power windows........................................... 140
Rear seats ......................................................... 118
K
Keyless entrySmart access system with push-button start ................................................................... 113
Wireless remote control........................... 95
Keys Battery-saving function ..............................114
Electronic key ................................................. 94
Engine switch.................................................170
If the electronic key does not operate properly......................................................... 421 If you lose your keys .................................. 419
Key number plate ......................................... 94
Keyless entry .......................................... 95, 113
Mechanical key .............................................. 94
Replacing the battery .............................. 369
Warning buzzer ............................................ 113
Wireless remote control ...........................95
Knee airbags .................................................... 30
L
Lane Tracing Assist (LTA) Operation ......................................................... 211
Warning messages.....................................219
Language (multi-infor mation display) ... 83
LATCH anchors ............................................. 54
Lever Auxiliary catch lever .................................349
Hood lock release lever .........................349
Shift lever ..........................................................174
Turn signal lever .......................................... 178
Wiper lever .................................................... 190
Lexus climate concierge .......................... 283
Lexus Enform Safety Connect.................. 60
Lexus Safety System + 2.0 AHB (Automatic High Beam) ............. 187
Dynamic radar cruise control with full-speed range ...................................... 222
LTA (Lane Tracing Assist) ....................... 211
PCS (Pre-Collision System) ................204
RSA (Road Sign Assist)..........................220
License plate lights Light switch .................................................... 184
Replacing light bulbs................................375
Light bulbs Replacing ....................................................... 374
Lights Automatic High Beam system ............. 187
Fog light switch ............................................ 190
Front interior lights ................................... 300
Front personal lights.................................. 301
Headlight switch.......................................... 184
Interior lights ................................................ 300

488Alphabetical Index
Hood................................................................ 349
Outer foot lights Location......................................................... 300
Outside door handle lights......................300
Outside rear view mirrors Adjustment...................................................... 137
BSM (Blind Sport Monitor) ................. 232
Folding ............................................................. 138
Linked mirror function when reversing........................................................................... 137
Mirror position memory........................... 129
Outside rear view mirror defoggers286
RCTA function ............................................ 245
Outside temperature.....................................75
Overheating .................................................. 426
P
Paddle shift switches .......................... 176, 177
Panic mode ....................................................... 95
Panoramic moon roof Jam protection function............................146
Operation........................................................145
Parking assist sensor s (intuitive parking
assist) ............................................................. 238
Parking brake Operation........................................................ 179
Parking brake engaged warning buzzer............................................................................ 181
Warning light ...............................................399
Warning message........................................ 181
Parking lights Light switch .................................................... 184
Replacing light bulbs................................ 375
Parking Support Brake function (for rear-crossing vehicles) .......................... 260 Function ..........................................................260
Parking Support Brake function (static objects) ......................................................... 257 Function .......................................................... 257
PCS (Pre-Collision System) Function .......................................................... 204
PCS OFF switch ........................................206 Warning light .............................................. 398
Personal lights...............................................300
PKSA (Parking Support Alert) .............. 236
PKSB (Parking Support Brake)...............251 Warning message .....................................256
Power back door ............................................ 101 Hands Free Power Back Door ........... 104
Smart access system with push-button start ................................................................. 102
Power easy access system ........................129
Power outlets ................................................ 323
Power steering (Elect ric power steering
system) .......................................................... 266 Warning light .............................................. 395
Power windows Door lock linked window operation ... 141
Jam protection function ........................... 140
Operation ....................................................... 140
Window lock switch...................................142
Pre-Collision System (PCS) Function ..........................................................204
PCS OFF switch ....................................... 206
Warning light .............................................. 398
R
Radar cruise control (dynamic radar cruise control with full-speed range)............. 222
Radiator ........................................................... 354
RCTA Function ..........................................................245
Warning message ..................................... 246
RCTA (Rear Cross Traffic Alert) ......... 236
RCTA function ............................................. 246
Rear automatic air conditioning system .......................................................................... 294
Rear Cross Traffic Alert (RCTA) ......... 245
Rear door sunshades ................................. 325
Rear fog lights Switch................................................................ 190
Rear seats .......................................................... 118 Adjustment ....................................................... 119
Folding down the rear seatbacks ......... 119