2009 Lexus ES350 Mechanical key

342
4-3. Do-it-yourself maintenance
ES350_U_(L/O_0808)
Electronic key battery
Replace the battery with a new one if it is discharged.
■You will need the following items:
● Flathead screwdriver
● Small Phillips-head screwdriver
● Lithium battery (CR1632)
■ Replacing the battery
Take out the mechanical key.
Remove the cover.
Remove the depleted battery.
Insert a new battery with the +
terminal facing up.
STEP1
STEP2
STEP3

5
When trouble arises
411
5-2. Steps to take in an emergency
ES350_U_(L/O_0808)
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Remove the cover on the driver’s
door handle using the mechanical
key (→P. 20) in order to perform
the following operations.
Locks all doors
Closes the windows/standard
moon roof (turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows/standard
moon roof (turn and hold)
Return the cover to the original
position after use.
If communication between the electronic key and vehicle is interrupted
( → P. 26) 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.

449
6-2. Customization
6
Vehicle specifications
ES350_U_(L/O_0808)
Door lock
(
→P. 3 7 )
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
Power win-
dows
(
→P. 6 0 )
Linked mechanical key
operationON
(Open and
close)OFF
Open only
Close only
Wireless remote control
linked operationON
(Open only)OFF
Linked entry functionONOFF
ItemFunctionDefault settingCustomized setting

450
6-2. Customization
ES350_U_(L/O_0808)
Moon roof
(standard
type)
(
→P. 63)
Linked mechanical key
operationON
(Open and close)OFF
Open only
Close only
Linked operation of com-
ponents when mechanical
key is used
Slide onlyTilt only
Wireless remote control
linked operationON
(Open only)OFF
Linked operation of com-
ponents when wireless
remote control used
Slide onlyTilt only
Linked entry functionONOFF
Automatic
light control
system
(
→P. 1 3 5 )
Light sensor sensitivityLevel 3Level 1 to 5
Time elapsed before
headlights automatically
turn off after doors are
closed
30 seconds
0 seconds
60 seconds
90 seconds
Lights
(
→P. 1 3 5 )
Daytime running light sys-
tem (USA only)ONOFF
Intuitive park-
ing assist
(
→P. 1 5 5 )
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 settingCustomized setting

464
Alphabetical index
ES350_U_(L/O_0808)
Hands-free phone system (for cellular phone)
Bluetooth
®........................................... 225
Hands-free phone system
(for cellular phone)........................ 225
Hazard lights
Switch ...................................................... 364
Head restraints
Adjusting .................................................. 49
Headlight aim .........................................352
Headlights Discharge headlights
precautions .........................................361
Replacing light bulbs........................ 354
Switch ........................................................135
Wattage.................................................... 431
Heaters Seat heaters................................ 269, 271
Side mirror ............................................. 195
Hood ......................................................... 308
Hooks Cargo hooks ....................................... 278
Grocery bag hooks ......................... 278
Horn ............................................................ 124 I/M test ..................................................... 303
Identification number
Engine ......................................................423
Vehicle.....................................................423
Ignition switch ........................................... 116
Illuminated entry system .................... 253
Indicator lights ......................................... 127
Initialization Items to initialize................................. 452
Inside rear view mirror .......................... 57
Interior lights Interior lights ........................................ 255
Switch...................................................... 255
Intuitive parking assist.......................... 155
Jack
Positioning a floor jack ................... 309
Vehicle-equipped jack....................397
Jack handle ............................................. 397
Keyless entry ............................................. 34
Keys Electronic key .........................................20
Engine switch .......................................... 116
If the electronic key does not operate properly................................ 411
If you lose your keys .......................... 410
Key number..............................................20
Keyless entry............................................ 34
Keys..............................................................20
Mechanical key ......................................20
Wireless remote control key...........34
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