
677
ES350_300h_OM_OM33B36U_(U)
8-2. Steps to take in an emergency
8
When trouble arises
If the electronic key does not operate properly
■Doors
Use the mechanical key
(→P. 124) in order to perform the
following operations:
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.
If communication between the electronic key and vehicle is inter-
rupted ( →P. 134) 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 such cases, the doors and
trunk can be opened an d the engine
following the procedure below.
Locking and unlocking the doors, unlocking the trunk and key
linked functions
1
2
3
4

684
ES350_300h_OM_OM33B36U_(U)
8-2. Steps to take in an emergency
If the 12-volt battery is discharged (hybrid vehicles)
If you have a set of jumper (or booster) cables and a second vehicle with a
12-volt battery, you can jump start your vehicle by following the steps
below.Open the trunk lid and remove the 12-volt battery cover.
(→ P. 5 6 2 )
In the event that the trunk opener cannot be used, use the mechanical key to open
the trunk. (→ P. 677)
Connect the jumper cables according to the following procedure:
The following procedures may be used to start the hybrid system if the
12-volt battery is discharged.
You can also call your Lexus dealer or a qualified repair shop.
1
2

734
ES350_300h_OM_OM33B36U_(U)
9-2. Customization
■Smart access system with push-button start (→P. 127) and wireless
remote control ( →P. 141)
“Auto Unlock by Driver
Door”
(All doors are automatically
unlocked when driver’s door
is opened)
OffOnO—O
Locking/unlocking of the
trunk when all doors are
locked/unlocked
OnOff——O
FunctionDefault settingCustomized
setting123
FunctionDefault settingCustomized setting
“Lock/Unlock Feedback-
To n e ”
(Adjust the volume of
buzzer sounds)
5
Off
O—O
1 to 7
“Lock/Unlock Feedback-
Lights”
(Enable/disable the opera-
tion of the emergency flash-
ers when the vehicle is
locked or unlocked)
OnOffO—O
“A u t o R e l o c k T i m e r ”
(Adjust the time elapsed
before the automatic door
lock function is activated if a
door is not opened after
being unlocked)
60 seconds
Off
O—O30 seconds
120 seconds
Operation buzzer (When
the vehicle is locked or
unlocked)
OnOff——O
123

736
ES350_300h_OM_OM33B36U_(U)
9-2. Customization
■Driving position memory* (→ P. 1 5 9 )
*: If equipped
“Remote 2-Press Unlock”
(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
——OPush twice
Press and hold (long)
Off
Alarm (panic mode)OnOff——O
FunctionDefault settingCustomized setting123
FunctionDefault settingCustomized setting
“Driver’s Seat Easy Exit”
(Driver’s seat movement
when exiting the vehicle)
Full
Off
O—OPa r t i a l
Selecting the door linking
driving position memory
with door unlock operation
Driver’s doorAll doors——O
123

761What to do if... (Troubleshooting)
ES350_300h_OM_OM33B36U_(U)●
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. 1 4 5 )
●The function to prevent the electronic key from being left inside
the trunk will operate and you can open the trunk as usual. Take
the key out from the trunk. (→ P. 151)
The rear door cannot be opened
The trunk lid is closed with
the electronic key left inside

768Alphabetical index
ES350_300h_OM_OM33B36U_(U)
CareAluminum wheels ..............................523
Exterior.................................................... 522
Interior .....................................................526
Seat belts ................................................ 527
Cargo capacity...................................... 202
Cargo hooks ..........................................488
CD player
*............................................. 387
Chains ....................................................... 343
Child restraint system Booster seats, definition ................... 58
Booster seats, installation..................68
Convertible seats, definition ........... 58
Convertible seats, installation .........65
Front passenger occupant
classification system ........................ 50
Infant seats, definition ......................... 58
Infant seats, installation .......................65
Installing CRS
with LATCH anchors ..................... 63
Installing CRS with seat belts ..........65
Installing CRS with top tether strap .........................69 Child safety ................................................. 57
12-volt battery
precautions .......................... 559, 683
Airbag precautions................................ 41
Child restraint system......................... 58
How your child should wear
the seat belt .......................................... 34
Installing child restraints .................... 62
Moon roof precautions ................... 185
Power window lock switch............. 177
Power window precautions .......... 180
Rear door child-protectors ............145
Removed electronic key battery precautions ............. 585
Seat belt extender precautions ...........................................37
Seat belt precautions ............................ 61
Seat heater precautions ..................477
Trunk precautions ............................... 152
Child-protectors .................................... 145
Cleaning Aluminum wheels .............................. 523
Exterior ................................................... 522
Interior ..................................................... 526
Seat belts................................................ 527
Clock........................................................... 491
Coat hooks ............................................. 499
Condenser.............................................. 555
Console box........................................... 485
Console box light ................................. 485
Consumption screen ............................. 118
Cooling system
Engine overheating ......................... 688
Hybrid system overheating ............691
Cruise control Cruise control ..................................... 254
Dynamic radar cruise control .....258
C

773Alphabetical index
ES350_300h_OM_OM33B36U_(U)
I/M test ..................................................... 536
IdentificationEngine...................................................... 702
Vehicle ..................................................... 701
Ignition switch (“POWER”
switch) ...................................................... 212
Ignition switch (“START STOP
ENGINE” switch) ............................. 205
Illuminated entry system ..................... 481
Immobilizer system.........................84, 86
Indicators .................................................... 95
Initialization Maintenance........................................ 530
Tire pressure warning system................................567
Initiators (tire pressure warning system)................................. 575
Inside rear view mirror .......................... 171
Instrument panel light control ............ 99
Interior light............................................. 479
Intuitive parking assist Function ................................................... 281
Warning message ................638, 645 Jack
Positioning a floor jack.................... 542
Vehicle-equipped jack .................. 660
Jack handle ................................................ 660
Jam protection function
Moon roof .............................................. 183
Power trunk opener and closer ............................................. 151
Power windows....................................178
Keyless entry Smart access system
with push-button start.................... 127
Wireless remote control....................141
Keys Battery-saving function .................... 133
Electronic key ........................................ 124
Engine switch ............................205, 212
If the electronic key does not operate properly........ 677
Key number plate ................................ 124
Keyless entry ..................................127, 141
Mechanical key..................................... 124
“POWER” switch ................................ 212
Replacing the battery ......................584
“START STOP ENGINE” switch ...................................................205
Warning buzzer .....................................131
Wireless remote control key ...........141
Knee airbags ............................................. 38
IJ
K
*: For vehicles with a navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

774Alphabetical index
ES350_300h_OM_OM33B36U_(U)
Language (multi-information display) .............. 731
LATCH anchors ...................................... 63
LDA (Lane Departure Alert) .......... 273
Lever
Auxiliary catch lever .......................... 541
Hood lock release lever .................. 541
Internal trunk release lever ............. 152
Shift lever .................................... 222, 226
Turn signal lever ................................ 230
Wiper lever ...........................................245
Lexus Display Audio system............350 Display settings ................................... 367
Setup menu ............................................ 361
Lexus Enform
*
Lexus Enform Remote*......................461
Lexus Enform Safety Connect......... 513
License plate lights Light switch ........................................... 233
Replacing light bulbs ......................... 610
Welcome light
illumination control ..........................127
Light bulbs
Replacing .............................................. 598
Wattage ....................................................714 Lights
Fog light switch ................................... 244
Headlight switch ................................ 233
Illuminated entry system...................481
Interior light.......................................... 480
Interior lights list.................................. 479
Personal lights .................................... 480
Replacing light bulbs ...................... 598
Trunk light................................................. 151
Turn signal lever ................................. 230
Vanity lights ..........................................490
Wattage ................................................... 714
Welcome light illumination control.................................................... 127
Lock steering column............... 208, 215
Low profile tire ...................................... 570
Luggage security system ....................150
Maintenance Do-it-yourself maintenance ......... 537
General maintenance ..................... 532
Maintenance data..............................700
Maintenance requirements .......... 529
Malfunction indicator lamp ............... 627
Master warning light ............................629
Meter............................................................. 97 Indicators .................................................. 95
Instrument panel light control ........ 99
Multi-information display.................102
Warning lights........................................ 93
Micro dust and pollen filter ................ 471
L
M