2021 LEXUS ES350 warning

4228-2. Customization
■Smart access system with push-button start and wireless remote control
( P.95, 106)
■Smart access system with push-button start ( P.95, 106)
■Wireless remote control ( P.92, 95, 106)
FunctionDefault settingCustomized setting
Operating signal (Buzzers)5OffOO1 to 7
Operation signal (Emergency
flashers)OnOffOO
Time elapsed before automatic
door lock function is activated if
door is not open ed after being
unlocked
60 seconds
Off
OO30 seconds
120 seconds
Open door warning buzzerOnOffO
FunctionDefault settingCustomized setting
Smart access system with push-
button startOnOffO
Smart door unlockingDriver’s doorAll the doorsOO
Time elapsed before unlocking all
the door when gripping and hold-
ing the driver’s door handle
2 seconds
Off
O1.5 seconds
2.5 seconds
Number of consecutive door lock
operations2 timesAs many as desiredO
FunctionDefault settingCustomized setting
Wireless remote controlOnOffO
Unlocking operation
Driver’s door
unlocked in one step, all doors
unlocked in two step
All doors unlocked in one stepOO
ABC
ABC
ABC

4258-2. Customization
8
Vehicle specifications
■LTA (Lane Tracing Assist) (P.184)
■RSA (Road Sign Assist)* ( P.193)
*:If equipped
■BSM (Blind Spot Monitor)* ( P.205)
Adjust alert timingMiddleEarlyOLate
FunctionDefault settingCustomized setting
Lane centering functionOnOffO
Steering assist functionOnOffO
Alert typeSteering wheel
vibrationBuzzerO
Alert sensitivityHighStandardO
Vehicle sway warning functionOnOffO
Vehicle sway warning sensitivityStandardHighOLow
FunctionDefault settingCustomized setting
RSA (Road Sign Assist)OnOffO
Excess speed noti fication 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
FunctionDefault settingCustomized setting
BSM (Blind Spot Monitor)OnOffO
Outside rear view mirror indicator
brightnessBrightDimO
FunctionDefault settingCustomized settingABC
ABC
ABC
ABC

4308-3. Items to initialize
8-3.Items to initialize
Items to initialize
The following items must be initialized for normal system operation after such
cases as the battery being reconnected, or maintenance being performed on
the vehicle:
List of the items to initialize
ItemWhen to initializeReference
Intuitive parking assist*After reconnecting or changing the
batteryP.216
PKSB (Parking Support Brake)*After reconnecting or changing the
batteryP.231
Tire pressure warning system
• When rotating the tires.
• When the tire inflation pressure is changed by changing tire size.
(When there are multiple speci-
fied pressures)
• After registering the ID codes.
• When the tire inflation pressure is changed such as when changing
traveling speed.
P.332
Power windowsWhen functioning abnormallyP.124
Lexus parking assist monitor*
•Battery has be en reinstalled.
• The steering wheel has been moved while the battery was
being reinstalled.
• Battery power is low.
Refer to “NAV- IGATION
AND MULTI- MEDIA SYS- TEM
OWNER’S
MANUAL”.
Panoramic view monitor*
•Battery has be en reinstalled.
• The steering wheel has been moved while the battery was
being reinstalled.
• Battery power is low.
Refer to the
“NAVIGA-
TION AND
MULTIMEDIA SYSTEM
OWNER’S
MANUAL”.

447What to do if... (Troubleshooting)
In this case, the engine can be started in a
temporary way. ( P.388)
Is the battery discharged?
( P.389)
 Is the engine switch in IGNITION
ON mode?
If you cannot release the shift lever
by depressing the brake pedal with
the engine switch in IGNITION ON
mode ( P.150)
 It is locked automatically to prevent
theft of the vehicle. ( P.145)
 Is the window lock switch pressed?
The power window at the except for the
one at the driver’s seat cannot be operated
if the window lock switch is pressed.
( P.125)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.147) 
The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.364)
 The parking brake indicator is on
Is the parking brake released? ( P.154)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.361, 371)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
( P.63)
To stop the alarm, turn the engine
switch to IGNITION ON mode, or
start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.371)
 When a warning light turns on or a
warning message is displayed, refer
to P.361, 371.
The shift lever cannot be shifted
from P even if you depress the
brake pedal
The steering wheel cannot be
turned after the engine is
stopped
The windows do not open or
close by operating the power
window switches
The engine 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

449Alphabetical index
Alphabetical index
A
A/C ................................................................... 263Air conditioning filter ............................... 339
Automatic air conditioning system ... 263
ABS (Anti-lock Brake System).............. 246 Function .......................................................... 246
Warning light ............................................... 363
ACA (Active Cornering Assist) ........... 246
Active Cornering Assist (ACA) ........... 246
Adaptive Front-lighting System (AFS) 160
Adaptive Variable Suspension System247
AFS (Adaptive Front-lighting System) 160
Airbags ............................................................... 28 Airbag operating conditions................... 30
Airbag precautions for your child ........ 33
Correct driving posture .............................23
Curtain shield airbag operating condi- tions .................................................................... 31
Curtain shield airbag precautions ....... 33
Front passenger occupant classification system ..............................................................37
General airbag precautions ................... 33
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ........... 31
Side airbag precautions ............................ 33
Side and curtain shield airbags operating conditions........................................................ 31
Side and curtain shield airbags precau- tions .................................................................. 33
SRS airbags ..................................................... 28
SRS warning light ...................................... 362
Air conditioning filter ................................. 339
Air conditioning system ............................ 263 Air conditioning filter ............................... 339
Automatic air conditioning system ... 263
Alarm ................................................................... 63 Alarm .................................................................. 63
Warning buzzer ...........................................361
Anchor brackets ..................................... 44, 53
Antennas (smart access system with push- button start) ................................................. 106
Anti-lock Brake System (ABS).............. 246 Function .......................................................... 246
Warning light ...............................................363
Approach warning........................................201
Armrest............................................................ 290
Assist grips ..................................................... 290
Audio system-linked display ...................... 82
Automatic headlight leveling system ....159
Automatic High Beam ................................. 161
Automatic light control system............... 158
Automatic transmission ..............................149 Paddle shift switches .........................151, 152
S mode ............................................................. 152
Auxiliary box.................................................. 279
Average fuel economy..................................79
Average vehicle speed .................................79
B
Back-up lights Replacing light bulbs ................................346
Battery Checking ....................................................... 323
If the battery is discharged ................... 389
Preparing and checking before winter........................................................................... 251
Warning light ...............................................362
Blind Spot Monitor (BSM)....................... 205
Boost gauge........................................................81
Brake Brake hold ...................................................... 156
Fluid.................................................................. 404
Parking brake ............................................... 154
Warning light ................................................ 361
Brake assist .................................................... 246
Break-in tips.....................................................135
Brightness control Instrument panel light control......... 72, 76
BSM (Blind Spot Monitor)....................... 205

450Alphabetical index
C
Care ...................................................... 304, 307Aluminum wheels ......................................304
Exterior ...........................................................304
Interior ............................................................. 307
Seat belts........................................................ 307
Cargo capacity................................................ 141
Cargo hooks .................................................280
Center Display ............................................. 256
Chains .............................................................. 252
Child-protectors............................................. 98
Child restraint system................................... 43 Fixed with a LATCH system ..................50
Fixed with a seat belt....................................47
Front passenger occupant classification system ..............................................................37
Points to remember .................................... 43
Riding with children ..................................... 43
Types of child restraint system installation method ........................................................... 44
Using an anchor bracket .......................... 53
Child safety ....................................................... 43 Airbag precautions...................................... 33
Battery precautions ...................... 324, 392
Child restraint system................................. 44
Heated steering wheel and seat heater precautions................................................ 270
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 127
Panoramic moon roof precautions ..... 131
Power window lock switch.....................125
Power window precautions ...................125
Rear door child-protectors ..................... 98
Seat belt extender precautions ............. 25
Seat belt precautions ...................................24
Trunk precautions ........................................ 99
Cleaning.............................................. 304, 307 Aluminum wheels ......................................304
Exterior ...........................................................304
Interior ............................................................. 307 Radar sensor ........
............................... 171, 207
Seat belts ........................................................307
Clock ................................................. 70, 73, 281
Coat hooks..................................................... 292
Compass ......................................................... 299
Condenser ..................................................... 322
Console box .................................................. 278
Console box light ........................................ 278
Cooling system............................................. 322 Engine overheating...................................393
Cornering lights ............................................ 160 Replacing light bulbs ................................346
Cruise control Dynamic radar cruise control with full-
speed range ............................................... 195
Cup holder ..................................................... 278
Current fuel consumption ...........................79
Curtain shield airbags .................................. 28
Customizable features ................................419
D
Daytime running light system .................. 158
Defogger Outside rear view mirrors..................... 264
Rear window ................................................ 264
Windshield .................................................... 264
Dimension ...................................................... 398
Dinghy towing................................................. 142
Display BSM (Blind Spot Monitor)................... 205
Dynamic radar cruise control with full-
speed range ............................................... 195
Head-up display............................................84
Intuitive parking assist ................................213
LTA (Lane Tracing Assist) ..................... 189
Multi-information display ...........................77
Parking Support Brake function (rear pedestrians)............................................... 243
RCD (Rear Camera Detection) ........ 224
RCTA...............................................................220
Warning message .......................................371
Distance until next engine oil

Alphabetical index451
change ....................................................... 71, 76
Do-it-yourself maintenance ..................... 310
Door courtesy lights ....................................274
Door lock Doors.................................................................. 95
Smart access system with push-button start ................................................................. 106
Wireless remote control........................... 93
Doors ................................................................... 95 Automatic door lock ing and unlocking
system ............................................................. 98
Door glasses .................................................. 124
Door lock.......................................................... 95
Open door warning buzzer .......... 96, 98
Outside rear view mirrors ........................121
Rear door child-protectors ..................... 98
Drive distance ...................................................79
Drive info 1/Drive info 2 ...............................79
Driver’s seat position memory .................. 114 Driving position memory...........................114
Memory recall function ............................. 116
Drive-start control ........................................135
Driving................................................................134 Break-in tips ...................................................135
Correct driving posture .............................23
Driving Mode Select switch...................210
Procedures ..................................................... 134
Winter drive tips...........................................251
Driving information display .........................79
Driving Mode Select switch......................210
Driving range ....................................................79
Driving support system information display ............................................................................. 82
Dynamic radar cruise control with full- speed range..................................................195Warning message..................................... 203
Dynamic Torque Control AWD system .......................................................................... 246
E
Eco drive mode ..............................................210
Eco Driving Indicator.................... 80, 81, 87 Eco Driving Indicator Light ........................ 80
EDR (Event data recorder) ............................7
Elapsed time ......................................................79
Electric Power Steering (EPS)
Function .......................................................... 246
Warning light ...............................................363
Electronic key .................................................. 92 Battery-saving function............................ 107
If the electronic key does not operate properly .......................................................387
Replacing the battery .................................341
Electronic roof sunshade Jam protection function ........................... 130
Operation ........................................................129
Emergency, in case of If a warning buzzer sounds.................... 361
If a warning light turns on........................ 361
If a warning message is displayed .......371
If the battery is discharged ................... 389
If the electronic key does not operate properly .......................................................387
If the engine will not start....................... 384
If the fuel filler do or cannot be opened
......................................................................... 386
If the vehicle is trapped in rising water ..........................................................................353
If you have a flat tire ..................................375
If you lose your keys ................................ 386
If you think something is wrong......... 359
If your vehicle becomes stuck ............ 395
If your vehicle has to be stopped in an emergency .................................................352
If your vehicle needs to be towed .... 355
If your vehicle overheats ........................393
Emergency flashers .................................... 352
Engine ................................................................144 ACCESSORY mode................................147
Compartment............................................... 318
Engine switch .................................................144
Fuel pump shut off system.................... 360
Hood ................................................................. 316
How to start the engine ............................144

452Alphabetical index
Identification number ...............................399
If the engine will not start .......................384
If your vehicle has to be stopped in an
emergency ................................................ 352
Ignition switch (engine switch) ............. 144
Overheating................................................. 393
Tachometer .............................................70, 73
Engine coolant.............................................. 322 Capacity ......................................................... 402
Checking ....................................................... 322
Preparing and checking before winter...........................................................................251
Engine coolant temperature gauge 70, 73
Engine immobilizer system .......................... 61
Engine oil ..........................................................319 Capacity ........................................................ 400
Checking .........................................................319
Preparing and checking before winter...........................................................................251
Warning light ............................................... 362
Engine oil maintenance data ....................321
Engine switch ..................................................144 Auto power off function ........................... 147
Changing the engine switch modes.. 147
If your vehicle has to be stopped in an
emergency ................................................ 352
Starting the engine ...................................... 144
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 246
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 246
EPS (Electric Power Steering) .............. 246 Function .......................................................... 246
Warning light ............................................... 363
Event data recorder (EDR) ............................7
F
Flat tire ............................................................. 375 Tire pressure warning system ............. 328
Floor mats ...........................................................22
Fluid Automatic transmission ..........................403 Brake ............................................................... 404
Washer ...........................................................325
Footwell light ..................................................274
Front passenger occupant classification system ...............................................................37
Front seats ......................................................... 113 Adjustment ....................................................... 113
Cleaning .........................................................307
Correct driving posture ............................ 23
Driving position memory .......................... 114
Head restraints............................................... 117
Memory recall function.............................. 116
Power easy access system ...................... 114
Seat heaters ..................................................270
Seat position memory ................................ 114
Seat ventilators ............................................270
Front side marker light ............................... 158 Light switch .................................................... 158
Front side marker lights Replacing light bulbs ................................346
Front turn signal lights .................................153 Replacing light bulbs ................................346
Turn signal lever .......................................... 153
Fuel ......................................................................169 Capacity ........................................................ 400
Fuel gauge ............................................... 70, 73
Fuel pump shut off system.................... 360
Information ................................................... 408
Refueling.......................................................... 169
Type ................................................................. 400
Warning light ...............................................364
Fuel consumption Average fuel economy .............................. 79
Current fuel consumption ........................ 79
Fuel filler door .................................................169 If the fuel filler do or cannot be opened
......................................................................... 386
Refueling.......................................................... 169
Fuel gauge ................................................. 70, 73
Fuel pump shut off system........................ 360
Fuses ................................................................. 342