change key battery Lexus GS450h 2007 Using the audio system / LEXUS 2007 GS450H THROUGH JUNE 2006 PROD. OWNER'S MANUAL (OM30727U)

21
1-3. Opening, closing and locking the doors and trunk
1
Before driving
■When the electronic key battery is fully depleted
●Locking and unlocking the doors and trunk: Use the mechanical key. 
(  P. 4 6 9 )
●Starting the hybrid system:  P. 4 7 0
●Replacing the battery: P. 3 9 3
■Customization
Settings (e.g. smart access sy stem with push-button start, anti-theft system) can be
changed. ( P. 5 0 0 )
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A.
NOTE:
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC WARNING: 
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
AlarmSituationCorrection procedure
Interior alarm rings
continuously
Switched to “ACC” mode
while the driver's door is
open (Opened the driver's
door when the power switch
is in “ACC” mode.)
Tu r n t h e p o w e r s w i t c h
“OFF” and close the
driver's door.
Turned the power switch
“OFF” while the driver's door
is open
Close the driver's door.
FCC ID: NI4TMLF-1

53
1-5. Opening and closing the windows and moon roof
1
Before driving
■The power windows can be operated when
The power switch is in “IG-ON” mode.
■Linked door lock window operation
●The power windows can be opened and closed using the mechanical key. 
( P. 4 6 9 )
●The power windows can be opened using the wireless remote control. ( P. 2 3 )
■Operating the power windows after turning the power switch “OFF”
The power windows can be operated for ap pr
oximately 45 seconds even after the
power switch is switched to “ACC” mode or turned “OFF”. They cannot, however,
be operated once the driver’s or front passenger’s door is opened.
■Jam protection function
If an object becomes caught between th e
window and the window frame, window
travel is stopped and the window is opened slightly.
■When the 12 volt battery is disconnected
The power windows must be initialized in order to ensure proper operation. 
(Perform for each window with the switch for each seat.)
Open the window halfway.
Fully close the window by pulling the swi
tch up and continue holding the
switch for 1 second.
The indicator on the switch changes from a flashing pattern to being on when initial
setting
s are complete.
■Customization
Settings (e.g. linked door lock operation) can be changed. ( P.
5 0 2 )
STEP1
STEP2

56
1-5. Opening and closing the windows and moon roof
■The moon roof can be operated when
The power switch is in “IG-ON” mode.
■Linked door lock moon roof operation
●The moon roof can be opened and closed using the mechanical key. (P. 4 6 9 )
●The moon roof can be opened using the wireless remote control. ( P. 2 3 )
■Operating the moon roof after turning the power switch “OFF”
The moon roof can be operated for ap pr
oximately 45 seconds even after the
power switch is switched to “ACC” mode or turned “OFF”. It cannot, however, be
operated once the driv er’s door is opened.
■Jam protection function
If an object is detected between the moon r
oof and the frame while closing or tilting
down, travel is stopped and the moon roof opens slightly.
■If the moon roof cannot be closed automatically
Keep the switch depressed.
■To reduce moon roof wind noise
Drive with the moon roof opened automati c
ally ( just before fully opened position).
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will
open a

utomatically when the moon roof is opened.
■When the 12 volt battery is disconnected
The moon roof must be initialized in order to ensure proper operation.
Close the moon roof fully.
Hold down “UP” switch during the following moon roof sequence:
Ti l t u pTi l t d o w n Slide open (fully open) Slide close (fully close)
To ensure the initialization is complete, make sure automatic opening and
closing functions work properly.
■Customization
Settings (e.g. linked door lock operation) can be changed. ( P.
5 0 2 )
STEP1
STEP2
STEP3

122
2-3. Operating the lights and windshield wipers
■Automatic light off system
The headlights and tail lights turn off 30 seconds after a door is opened or closed if
the power switch has been switched to “ACC” or turned “OFF” while the headlights
are turned on. (The lights turn off immediately if the button on the key is pressed
after all doors are locked.)
To turn the lights on again, switch to “IG-ON” mode, or turn the light switch “OFF”
once and then back to the or position.
■Automatic headlight leveling system
The level of the headlights is automatica lly adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users.
■If the indicator flashes...
It may indicate a malfunction in the system. Contact your Lexus dealer.
■Customization
Settings (e.g. light sensor sensitivity) can be changed. ( P. 5 0 0 )
NOTICE
■To prevent 12 volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is off.

511
Alphabetical index
Installing CRS with lower 
anchorages .......................................... 87
Installing CRS with seatbelts .......... 83
Installing CRS with top straps ........ 88
Child safety Airbag precautions .............................. 75
Child restraint system ........................ 80
Child-protectors.................................... 27
How your child should wear 
the seatbelt ........................................... 45
Installing child restraints .................... 83
Moon roof ................................................. 57
Power window lock switch .............. 52
Power window precautions............ 54
Removed electronic key battery 
precautions ....................................... 394
Seat belt comfort guide...................... 43
Seat belt precautions...........................46
Seat heater precautions ..... 324, 326
Trunk ............................................................ 33
Cigarette lighter .................................... 322
Cleaning Exterior ................................................... 344
Interior..................................................... 346
Seat belts ................................................ 347
Clock........................................................... 319
Coin holder .............................................. 314
Compass ................................................. 339
Condenser.............................................. 369
Console box ............................................. 312
Cooling system Engine overheating .......................... 475Cruise control
Cruise control........................................ 127
Dynamic radar cruise control....... 130
Cup holders ............................................. 315
Curtain shield airbags............................ 69
Customizable features ...................... 500
Daytime running light system ............. 121
Defogger Rear window ......................................... 199
Side mirror.............................................. 199
Dimension............................................... 480
Dinghy towing ......................................... 180
Display Energy flow ................................................. 6
Multi-informatio n display
..................117
Touch screen ........................................ 182
Trip information ..................................... 118
Warning message ............................. 436
Do-it-yourself maintenance ............. 355
Door courtesy lights ........................... 308
Door pocket............................................. 316
Doors
Door lock .................................................. 26
Rear door child protector ................ 27
Driver's seat belt reminder light ..... 433
Driving Correct posture..................................... 67
Procedures .............................................. 94
DVD player/changer.......................... 232
Electronic key Replacing battery ............................... 393
When the electronic key battery 
is discharged.................................... 469
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