
499
ES350_OM_OM33B64U_(U)8-2. Steps to take in an emergency
8
When trouble arises
If the electronic key do
es not operate properly
■Doors
Use the mechanical key (P.  9 0 )  i n
order to perform the following oper-
ations:
Locks all the doors
Closes the windows and moon
roof (turn and hold)
*
Unlocks the door
Turning the key rearward unlocks the
driver’s door. Turning the key once
again within 5 seconds unlocks the
other doors.
Opens the windows and moon roof (turn and hold)*
*
: This setting must be customized at your Lexus dealer.
■Tr u n k
Turn the mechanical key clockwise
to open.
If communication between the electronic key and vehicle is interrupted
(  P. 108) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In su ch cases, the doors and trunk can be
opened and the engine can be started by following the procedure below.
Locking and unlocking the doors, un locking the trunk and key linked
functions
1
2
3
4 

520
ES350_OM_OM33B64U_(U)9-1. Specifications
A:  H9 halogen bulbs B: Wedge base bulbs (amber)
C: Wedge base bulbs (clear)
Light bulbs
Light BulbsBulb No.WTy p e
Exterior
Headlights high beam 
(halogen bulbs)65A
Front turn signal lights7444NA28 /8B
Front side marker lightsW5W5C
Rear turn signal lightsWY21W21B
Back-up lightsW16W16C
Outer foot lightsW5W5C
Interior
Door courtesy lights5C
Vanity lights8C
Trunk light5C 

536
ES350_OM_OM33B64U_(U)9-2. Customization
■AFS (Adaptive Front-lighting System) (if equipped) (
P.  1 6 2 )
■Door lock ( P. 93, 499)
FunctionDefault 
settingCustomized  setting
AFS (Adaptive Front-lighting
System)OnOff—O—
123
FunctionDefault settingCustomized setting
Allows all doors to be
unlocked by turning the
mechanical key twice in the
driver’ doorOn (Driver’s 
door unlocked in  one step, all 
doors unlocked  in two steps)
Off (All doors 
unlocked in one 
step)——O
All doors are automatically
lockedShifting the shift 
lever to position  other than P
Off
O—OVehicle speed is 
approximately 12 
mph (20 km/h)  or higher
All doors are automatically
unlockedShifting the shift  lever to POff
O—ODriver’s door is  opened
Locking/unlocking of the
trunk when all doors are
locked/unlocked
OnOff——O
123 

538
ES350_OM_OM33B64U_(U)9-2. Customization
■Wireless remote control (
P.  9 3 )
■Driving position memory* ( P. 115)
*: If equipped
■Powe r  w i n d ow s  ( P. 129) and moon roof ( P.  1 3 2 )
FunctionDefault settingCustomized 
setting
Wireless remote controlOnOff——O
Allows all doors to be
unlocked by pressing 
on the electronic key twice
On (Driver’s 
door unlocked in  one step, all 
doors unlocked  in two steps)
Off (All doors 
unlocked in one 
step)O—O
Trunk unlocking operationPress and hold (short)
One short press
——O
Push twice
Press and hold  (long)
Off
Alarm (panic mode)OnOff——O
123
FunctionDefault settingCustomized 
setting
Driver’s seat movement when
exiting the vehicleFullOffO—OPa r t i a l
Selecting the door linking
driving position memory with
door unlock operation
Driver’s doorAll doors——O
123
FunctionDefault settingCustomized setting
Mechanical key linked opera-
tionOffOn——O
Wireless remote control
linked operation (Open only)OffOn——O
Buzzer sounds if operated
using wireless remote controlOnOff——O
123 

556What to do if... (Troubleshooting)
ES350_OM_OM33B64U_(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.  9 1 )
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P.  9 2 )
●Is the electronic key battery weak or depleted? ( P.  4 5 1 )
●Is the engine switch in IGNITION ON mode? 
When locking the doors, turn the engine switch off. ( P.  1 5 2 )
●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.  1 0 8 )
●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 from outside and  then unlock the child-protector lock.
( P.  9 6 )
●The function to prevent the electronic ke y from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk.
( P.  1 0 1 )
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 doors cannot be locked or unlocked
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside 

562Alphabetical index
ES350_OM_OM33B64U_(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 ........................... 434, 504
Child restraint system ...........................51
How your child should wear  the seat belt ............................................31
Installing child restraints.....................55
Moon roof precautions.................... 135
Power window lock switch ............ 129
Power window precautions ............ 131
Rear door child-protectors .............96
Removed electronic  key battery precautions...............452
Seat belt extender  precautions ........................................... 33
Seat belt precautions .......................... 33
Seat heater precautions.................. 373
Trunk precautions............................... 102 Child-protectors ......................................96
Cleaning
Aluminum wheels ..............................409
Exterior .................................................. 408
Interior .........................................................411
Seat belts.................................................. 412
Clock......................................................... 385
Coat hooks ............................................. 390
Condenser................................................ 431
Console box ............................................379
Console box light ..................................379
Consumption screen ............................. 84
Cooling system Engine overheating ......................... 505
Cruise control Cruise control ....................................... 217
Dynamic radar cruise control .....205
Cup holders............................................ 380
Curtain shield airbags ........................... 35
Customizable features ...................... 533
Daytime running light system............ 162
Defogger Front windshield.................................368
Outside rear view mirrors ............368
Rear window........................................368
Dimension ................................................. 512
Dinghy towing .........................................150
Display Dynamic radar cruise control .....205
LDA (Lane Departure Alert with steering control) .....................196
Multi-information display.................. 78
Trip information ..................................... 85
Warning message............................. 482
D 

566Alphabetical index
ES350_OM_OM33B64U_(U)
Inside rear view mirror ......................... 124
Instrument panel light control ............ 75
Interior light............................................. 375
Intuitive parking assistFunction ..................................................220
Jack Positioning a floor jack .................... 424
Vehicle-equipped jack .................. 486
Jack handle ................................................. 486
Jam protection function Moon roof .............................................. 133
Power trunk opener and closer.............................................. 101
Power windows ................................... 129
Keyless entry Smart access system with push-button start ..................... 93
Wireless remote control ................... 93
Keys Battery-saving function ....................108
Electronic key .........................................90
Engine switch .......................................... 151
If the electronic key does not operate properly ....... 499
Key number plate .................................90
Keyless entry ........................................... 93
Mechanical key ......................................90
Replacing the battery ........................ 451
Warning buzzer .................................. 107
Wireless remote control key .......... 93
Knee airbags ............................................. 35 Language 
(multi-information display)............ 534
LATCH anchors .......................................56
LDA (Lane Departure Alert with  steering control).................................. 196
Lever Auxiliary catch lever ......................... 423
Hood lock release lever................. 423
Internal trunk release lever .............. 101
Shift lever .................................................156
Turn signal lever ...................................159
Wiper lever.............................................169
Lexus Display Audio system ............266 Display settings ................................... 282
Setup menu .......................................... 276
Lexus Enform
*
Lexus Enform Remote*.....................362
Lexus Enform Safety Connect ....... 402
Lexus Safety System+ .......................... 176
License plate lights Light switch.............................................. 161
Replacing light bulbs ....................... 464
Light bulbs Replacing ............................................... 456
Wattage .................................................520
J
K
L 

567Alphabetical index
ES350_OM_OM33B64U_(U)
LightsFog light switch .................................... 168
Headlight switch.................................... 161
Illuminated entry system ................. 377
Interior light ...........................................376
Interior lights list ..................................375
Personal lights .....................................376
Replacing light bulbs ....................... 456
Trunk light ................................................. 101
Turn signal lever .................................. 159
Vanity lights ......................................... 384
Wattage ................................................. 520
Lock steering column .......................... 153
Low profile tire....................................... 439
Luggage security system.................... 100
Maintenance Do-it-yourself maintenance............421
General maintenance .......................417
Maintenance data ............................... 512
Maintenance requirements............ 414
Malfunction indicator lamp .............. 476
Master warning light ............................477
Meter .............................................................74 Indicators................................................... 72
Instrument panel light control ......... 75
Multi-information display .................. 78
Warning lights .......................................... 71
Micro dust and pollen filter .............. 369 Mirrors
Inside rear view mirror...................... 124
Outside rear view mirror defoggers...........................................368
Outside rear view  mirrors .............. 126
Vanity mirrors .....................................384
Mobile Assistant
*................................ 360
Moon roof Door lock linked moon roof operation...................... 133
Jam protection function.................... 133
Operation................................................ 132
MP3 disc
*.............................................. 299
Multi-information display......................78 Drive information...................................79
Dynamic radar cruise control .....205
Language............................................... 534
Switching the display ...........................79
Warning message............................. 482
Navigation system
*
Noise from under vehicle ........................8
Odometer ................................................... 74
Oil Engine oil .................................................514
Opener Hood........................................................ 423
Trunk ........................................................... 99
M
N
O
*: For vehicles with navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.