2018 Lexus ES350 key

560What to do if... (Troubleshooting)
ES350_OM_OM06134U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. ( →P. 93)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (→ P. 94)
●Is the electronic key battery weak or depleted? ( →P. 457)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 155)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
(→ P. 110)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
(→ P. 98)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open th e trunk as usual. Take the key out from the trunk.
(→ P. 103)
If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside

561What to do if... (Troubleshooting)
ES350_OM_OM06134U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 154)
●Is the shift lever in P? ( →P. 156)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 108)
●Is the steering wheel unlocked? (→ P. 157)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (→P. 505)
●Is the battery discharged? ( →P. 506)
●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. 162)
●It is locked automatically to prevent theft of the vehicle. ( →P. 156)
●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. 131)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( →P. 156)
If you think something is wrong
The engine does not start
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

562What to do if... (Troubleshooting)
ES350_OM_OM06134U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (→P. 483)
●The parking brake indicator is on
Is the parking brake released? ( →P. 164)
Depending on the situation, other types of warning buzzer may also sound.
(→ P. 482, 488)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→ P. 67)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. (→ P. 488)
●When a warning light turns on or a warning message is displayed, refer to
P. 482, 488.
●Stop the vehicle in a safe place and repl ace the flat tire with the spare tire.
(→ P. 491)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(→ P. 513)
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
The vehicle becomes stuck

566Alphabetical index
ES350_OM_OM06134U_(U)
Child restraint systemBooster seats, definition ......................51
Booster seats, installation..................60
Convertible seats, definition ..............51
Convertible seats, installation ........ 58
Front passenger occupant classification system ......................... 44
Infant seats, definition ............................51
Infant seats, installation ...................... 58
Installing CRS with LATCH anchors .....................56
Installing CRS with seat belts ......... 58
Installing CRS with top tether strap ...........................61
Child safety ................................................ 50 Airbag precautions .............................. 37
Battery precautions ...........................438, 509
Child restraint system ...........................51
How your child should wear the seat belt ............................................31
Installing child restraints.....................55
Moon roof precautions.....................137
Power window lock switch .............. 131
Power window precautions .......... 133
Rear door child-protectors .............98
Removed electronic key battery precautions.............. 458
Seat belt extender precautions ........................................... 33
Seat belt precautions .......................... 33
Seat heater precautions..................375
Trunk precautions............................... 104 Child-protectors ..................................... 98
Cleaning
Aluminum wheels ................................ 413
Exterior ..................................................... 412
Interior .......................................................415
Seat belts..................................................416
Clock......................................................... 387
Coat hooks ............................................. 392
Condenser.............................................. 435
Console box .............................................381
Console box light ...................................381
Consumption screen ............................. 86
Cooling system Engine overheating ........................... 510
Cruise control Cruise control ....................................... 219
Dynamic radar cruise control ..... 207
Cup holders............................................ 382
Curtain shield airbags ........................... 35
Customizable features ...................... 538
Daytime running light system............ 166
Defogger Front windshield................................. 370
Outside rear view mirrors ............ 370
Rear window........................................ 370
Dimension ................................................. 516
Dinghy towing ......................................... 153
Display Dynamic radar cruise control ..... 207
LDA (Lane Departure Alert with steering control) .................... 198
Multi-information display..................80
Trip information ..................................... 87
Warning message............................ 488
D

567Alphabetical index
ES350_OM_OM06134U_(U)
Display Audio system ......................... 268Display settings .................................. 285
Setup menu .......................................... 280
Do-it-yourself maintenance ............. 425
Door courtesy lights Location .................................................. 377
Wattage ..................................................524
Doors Automatic door locking and unlocking system......................98
Door glasses ........................................... 131
Door lock .................................................. 97
Outside rear view mirrors .............. 128
Rear door child-protector................98
Driver’s seat position memory ........... 117 Driving position memory .................. 118
Memory recall function...................... 119
Power easy access system .............. 117
Driving Break-in tips ...........................................142
Correct driving posture .................... 28
Driving mode select switch .......... 247
Procedures ............................................ 140
Winter drive tips ................................. 262
Dynamic radar cruise control Function ..................................................207
Eco drive mode ......................................247
Eco Driving Indicator............................. 84
EDR (Event data recorder) ...................10 Electric Power Steering (EPS)
Function ..................................................258
Warning light .......................................483
Electronic key ............................................92 Battery-saving function ..................... 110
If the electronic key does not operate properly ............................504
Replacing the battery ...................... 457
Emergency, in case of If a warning buzzer sounds ................................................. 482
If a warning light turns on .............. 482
If a warning message is displayed ....................................... 488
If the battery is discharged........... 506
If the electronic key does not operate properly ........504
If the engine will not start ...............502
If you have a flat tire ............................491
If you think something is wrong ............................................. 480
If your vehicle becomes stuck........................................................513
If your vehicle has to be stopped in an emergency.......... 475
If your vehicle needs to be towed ....................................... 476
If your vehicle overheats ................. 510
Emergency flashers ............................. 474
E

570Alphabetical index
ES350_OM_OM06134U_(U)
Inside rear view mirror .........................126
Instrument panel light control ............. 77
Interior light..............................................377
Intuitive parking assistFunction .................................................. 222
Jack Positioning a floor jack ....................428
Vehicle-equipped jack ...................492
Jack handle ..................................................492
Jam protection function Moon roof .............................................. 135
Power trunk opener and closer............................................ 103
Power windows ..................................... 131
Keyless entry Smart access system with push-button start .....................95
Wireless remote control ...................95
Keys Battery-saving function ...................... 110
Electronic key ......................................... 92
Engine switch ........................................ 154
If the electronic key does not operate properly ....... 504
Key number plate ................................. 92
Keyless entry ...........................................95
Mechanical key ...................................... 92
Replacing the battery .......................457
Warning buzzer .................................. 109
Wireless remote control key ..........95
Knee airbags ............................................. 35 Language
(multi-information display)............ 539
LATCH anchors .......................................56
LDA (Lane Departure Alert with steering control)..................................198
Lever Auxiliary catch lever ..........................427
Hood lock release lever..................427
Internal trunk release lever ............ 103
Shift lever .................................................159
Turn signal lever ...................................163
Wiper lever............................................. 173
Lexus Display Audio system ........... 268 Display settings ...................................285
Setup menu ..........................................280
Lexus Enform
*
Lexus Enform Remote*.................... 409
Lexus Enform Safety Connect ....... 404
Lexus Safety System+ ......................... 180
License plate lights Light switch.............................................165
Replacing light bulbs ....................... 470
Light bulbs Replacing ............................................... 462
Wattage ................................................. 524
J
K
L

573Alphabetical index
ES350_OM_OM06134U_(U)
Rear door sunshades .......................... 389
Rear sunshadeOperation ............................................. 389
Reverse operation feature............ 390
Rear turn signal lights Replacing light bulbs ....................... 468
Turn signal lever .................................. 163
Wattage ..................................................524
Rear view mirror Inside rear view mirror ..................... 126
Outside rear view mirrors .............. 128
Rear window defoggers .................... 370
Refueling .................................................... 177 Capacity .................................................. 518
Fuel types ................................................ 518
Opening the fuel tank cap.............. 178
When the fuel filler door cannot be opened ...........................179
Remote Touch
*
Replacing Electronic key battery ......................457
Fuses........................................................ 459
Light bulbs .............................................462
Tires ........................................................... 491
Reporting safety defects for U.S. owners...................................550
Resetting the message indicating maintenance is required ..................419 Safety Connect ..................................... 404
Seat belts
Adjusting the seat belt........................ 30
Automatic Locking Retractor .......... 31
Child restraint system installation ............................................. 58
Cleaning and maintaining the seat belt .........................................416
Emergency Locking Retractor.................................................. 31
How to wear your seat belt............. 30
How your child should wear the seat belt ............................................ 31
Pregnant women, proper seat belt use ..........................................32
Reminder light and buzzer ...........483
Seat belt extender .................................. 31
Seat belt pretensioners........................ 31
SRS warning light .............................. 482
Seat heaters.............................................376
Seat position memory ............................117
Seat ventilators.......................................376
Seating capacity ...................................... 151
S
*: For vehicles with navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

578Alphabetical index
ES350_OM_OM06134U_(U)
Window glasses ....................................... 131
Window lock switch ............................... 131
WindowsPower windows ..................................... 131
Rear window defogger...................370
Windshield wiper de-icer ................... 371
Windshield wipers Intermittent windshield wipers with interval adjuster .......173
Position....................................................264
Rain-sensing windshield wipers .....................................................174
Winter driving tips................................ 262
Wireless remote control key Battery-Saving Function.................... 110
Locking/Unlocking..............................95
Panic mode .............................................. 93
Replacing the battery .......................457
WMA disc
*............................................300
*: For vehicles with navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.