Page 409 of 554

408
4-3. Do-it-yourself maintenance
ES350_U
■If the electronic key battery is discharged
The following symptoms may occur.
●The smart access system with push-button start and wireless remote control will
not function properly.
●The operational range is reduced.
■Use a CR1632 lithium battery
●Batteries can be purchased at your Lexus dealer, jewelers, or camera stores.
●Replace only with the same or equivalent type recommended by a Lexus dealer.
●Dispose of used batteries according to the local laws.
CAUTION
■Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child, they can
cause choking. Failure to do so could result in death or serious injury.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other components inside the remote control.
●Do not bend either of the battery terminals.
Page 475 of 554
474
5-2. Steps to take in an emergency
ES350_U
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Use the mechanical key built in to the electronic keys to operate the
doors. (→ P. 2 6 )
Remove the cover on the driver’s
door handle.
Locks all doors
Closes the windows/standard
moon roof (turn and hold)
Unlocks the door
Tu r n i n g t h e k e y r e a r w a r d u n l o c k s
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows/standard
moon roof (turn and hold)
If communication between the electronic key and vehicle is interrupted
(→ P. 32) or the electronic key cann ot be used because the battery is
depleted, smart access system with push-button start and wireless remote
control cannot be used. In such cases, the doors can be opened or the
engine can be started by following the procedure below.
STEP1
STEP2
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512
6-2. Customization
ES350_U
Wi re le ss
remote con-
trol
(
→P. 4 0 )
Wireless remote controlONOFF
Unlocking operation
Driver's door
unlocked in
one step, all
doors
unlocked in
two steps
All doors
unlocked in one step
Automatic door lock
function to be activated if
door is not opened after
being unlocked
ONOFF
Time elapsed before auto-
matic door lock function is
activated if door is not
opened after being
unlocked
60 seconds
30 seconds
120 seconds
Operation signal
(Emergency flashers)ONOFF
Operation signal (Buzzer
volume)Level 7Level 0 to 7
Door lock buzzerONOFF
Trunk unlocking functionONOFF
Trunk unlocking operationPush and holdPush twice
One push
Panic functionONOFF
ItemFunctionDefault settingCustomized
setting
Page 514 of 554
513
6-2. Customization
6
Vehicle specifications
ES350_U
Door lock
(
→P. 4 2 )
Unlocking using a key
Driver's door
unlocked in
one step, all
doors
unlocked in
two steps
All doors
unlocked in one
step
Speed-detecting auto-
matic door lock functionOFFON
Opening driver's door
unlocks all doorsOFFON
Shifting gears to P
unlocks all doorsONOFF
Shifting gears to position
other than P locks all
doors.
ONOFF
Po w e r w i n -
dows
(
→P. 7 0 )
Linked mechanical key
operationOpen and close
OFF
Open only
Close only
Wireless remote control
linked operationOFFOpen only
Linked entry functionONOFF
ItemFunctionDefault settingCustomizedsetting
Page 515 of 554
514
6-2. Customization
ES350_U
Moon roof
(standard
type)
(
→P. 7 3 )
Linked mechanical key
operationOpen and close
OFF
Open only
Close only
Linked operation of com-
ponents when mechanical
key is used
Slide onlyTilt only
Wireless remote control
linked operationOFFOpen only
Linked operation of com-
ponents when wireless
remote control is used
Slide onlyTilt only
Linked entry functionONOFF
Eco Driving
Indicator Light
(
→P. 1 4 7 )
Eco Driving Indicator
LightONOFF
Automatic
light control
system
(
→P. 1 4 9 )
Light sensor sensitivityLevel 3Level 1 to 5
Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
30 seconds
0 seconds
60 seconds
90 seconds
Lights
(
→P. 1 4 9 )
Daytime running light sys-
tem (USA only)ONOFF
Intuitive park-
ing assist
(
→P. 1 76 )
Back sensor operation
display and buzzerONOFF
Buzzer volumeLevel 3Level 1 to 5
Distance which a sensor
detects4.5 ft. (150 cm)1.8 ft. (60 cm)
ItemFunctionDefault settingCustomizedsetting
Page 544 of 554

543
Alphabetical index
ES350_U
Hands-free phone system (for mobile phone)*
Bluetooth
®............................................279
Hands-free phone system
(for mobile phone) .........................279
Hazard lights
Switch ...................................................... 430
Head restraints
Adjusting ..................................................57
Headlight aim .......................................... 418
Headlights Discharge headlights
precautions ....................................... 428
Replacing light bulbs ....................... 420
Switch ........................................................ 149
Wattage ................................................. 495
Heaters Seat heaters..............................328, 330
Side mirror .............................................. 213
Hood ..........................................................374
Hooks Cargo hooks ....................................... 338
Grocery bag hooks ......................... 338
Horn............................................................. 137 I/M test......................................................369
Identification number
Engine......................................................487
Vehicle ....................................................487
Ignition switch.......................................... 128
Illuminated entry system ..................... 312
Indicator lights......................................... 140
Initialization Items to initialize .................................. 519
Inside rear view mirror .......................... 66
Interior lights Interior lights .......................................... 314
Switch........................................................ 314
Wattage ................................................. 495
Intuitive parking assist...........................176
Jack Positioning a floor jack ....................375
Vehicle-equipped jack .................... 461
Jack handle............................................... 461
Keyless entry ............................................. 40
Keys Electronic key ......................................... 26
Engine switch ........................................ 128
If the electronic key does not
operate properly ............................ 474
If you lose your keys ......................... 473
Key number ............................................. 26
Keyless entry ...........................................40
Keys ............................................................. 26
Mechanical key ...................................... 26
Wireless remote control key ..........40
H
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
I
J
K
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549
Alphabetical index
ES350_U
Warning messagesDynamic radar
cruise control .......................450, 452
Engine oil level .................................... 452
Engine oil maintenance.................. 452
Engine oil pressure........................... 449
Hood ....................................................... 452
Intuitive parking assist
sensor ......................................450, 452
Moon roof............................................. 452
Open door ........................................... 452
Parking brake ...................................... 452
Pre-collision system .............450, 452
Smart access system with
push-button start............................ 458
Steering lock ........................................ 450
Trunk ........................................................ 452
Washer fluid......................................... 452 Washer
Checking .............................................. 389
Preparing and checking before winter ..................................... 196
Switch........................................................ 156
Washing and waxing .......................... 358
Weight Cargo capacity .....................................192
Load limits .............................................. 195
Weight.................................................... 486
Wheels ......................................................403
Window glasses ...................................... 70
Window lock switch ............................... 70
Windows Power windows ..................................... 70
Rear window defogger.....................213
Washer .................................................... 156
Windshield wipers
Position..................................................... 199
Windshield wipers ............................. 156
Wireless remote control key Replacing the battery.......................407
Wireless remote control key ..........40
WMA disc* .............................................. 231
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.