2007 Lexus GX470 key battery

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5-1. Essential information .............. 338If your vehicle needs to be towed............................................. 338
If you think something is wrong ............................................. 343
Fuel pump shut off system ........ 344
Event data recorder .................... 345
5-2. Steps to take in an emergency ............................... 347
If a warning light turns on or a warning buzzer sounds... ....... 347
If you have a flat tire..................... 356
If the engine will not start .......... 367
If the shift lever cannot be shifted from P ............................. 368
If you lose your keys .................... 369
If the vehicle battery is discharged ................................... 370
If your vehicle overheats ........... 373
If the vehicle becomes stuck................................................ 375 6-1. Specifications ............................ 378
Maintenance data ........................ 378
Fuel information ............................ 387
Tire information ........................... 390
6-2. Customization .......................... 398 Customizable features ............. 398
6-3. Initialization ................................ 401 Items to initialize ............................ 401
Reporting safety defects for U.S. owners.................................. 404
Alphabetical index................... 406
What to do if................................ 414
5When trouble arises6Vehicle specifications
7For US owners
Index

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1-3. Adjustable components
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Before driving
■Retained accessory power
Each memorized position (except for the tilt and telescopic steering column) can
be activated within 30 seconds after the driver’s door is opened, even if the key is
not in the ignition switch.
■If any position memory button is push ed while the adjustments are being made
The operation will stop. To reactivate the system, push the button again.
■If the battery is disconnected
The memorized positions must be reset be cause the computer's memory is erased
when the battery is disconnected.
CAUTION
■Seat adjustment caution
Take care during seat adjustment that the seat does not strike the rear passenger or
squeeze your body against the steering wheel.
If this happens, you can stop the movement by pressing another seat position mem-
ory button.

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1-4. Opening and closing the windows and moon roof
■The moon roof can be operated when
The ignition switch is in the “ON” position.
■Linked door lock moon roof operation
●The moon roof can be opened and closed using the key. ( P. 6 )
●The moon roof can be opened using the wireless remote control. ( P. 4 )
■Retained accessory power operation
The moon roof can be operated for approx imately 45 seconds even after the igni-
tion switch is turned to the “ACC” or “LOC K” position. It cannot, however, be oper-
ated once the driver’s door is opened.
■Jam protection function
If an object is detected between the moon roof 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.
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will
open automatically when the moon roof is opened.
■When the battery is disconnected
The moon roof must be initialized in order to ensure proper operation.
Close the moon roof fully.
Hold down the “TILT UP” button until th e moon roof tilts all the way up and
then tilts down a little automatically.
To ensure initialization is complete, make sure automatic opening and
closing functions work properly.
■Customization
Settings (e.g. linked door lock operation) can be changed. ( P. 3 9 9 )
STEP1
STEP2
STEP3

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1-6. Theft deterrent system
Before driving
Alarm
Deactivating or stopping the alarmDo one of the following:
● Unlock the doors using the key or the wireless remote control.
● Start the engine.
■Items to check before locking the vehicle
To prevent unintended triggering of the alar m, check that there is no one in the vehi-
cle, and that all windows and the moon roof are closed before locking the vehicle.
■When the battery is disconnected
Be sure to cancel the alarm system.
If the battery is discharged before cancel ing the alarm, the system may be triggered
when the battery is reconnected.
The alarm warns of forcible entry using the horn and lights.
To arm the alarm, exit the vehi-
cle, make sure that the doors
and hood are closed, and lock
all the doors.
The system will operate auto-
matically once the indicator
begins to flashing.

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2-1. Driving procedures
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When driving
CAUTION
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not press the accelera-
tor pedal while starting the engine under any circumstances.
Doing so may cause an accident resu lting in death or serious injury.
■Caution while driving
Do not turn the ignition switch to the “LOCK” position.
If in an emergency, you must turn the engi ne off while the vehicle is moving, turn the
key to only to the “ACC” position.
NOTICE
■To prevent battery discharge
Do not leave the ignition key in the “ACC” or “ON” position for long periods with-
out the engine running.
■When starting the engine
●Do not race the cold engine.
●If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.

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2-3. Operating the lights and windshield wipers
■Daytime running light system
To make your vehicle more visible to other drivers, the front turn signal lights turn on
automatically whenever the engine is started and the parking brake is released.
■Headlight control sensor
■Automatic light off system
The headlights and tail lights turn off 30 seconds after a door is opened or closed if
the ignition switch is turned to the “ACC ” or “LOCK” position while the headlights
are turned on. (The lights turn off immedi ately if the “LOCK” button on the key is
pressed after all doors are locked.)
To turn the lights on again, turn the igniti on switch to the “ON” position, or turn the
light switch “OFF” once and th en back to the or position.
■Customization
Settings (e.g. light sensor sensitivity) can be changed. ( P. 400)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not running.
The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the wind-
shield.
Doing so interferes with the sensor detecting
the level of ambient light and may cause the
automatic headlight system to malfunction.

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3-4. Using the interior lights
Personal lights“ON”
“OFF”
“DOOR”
The lights are turned on/off by the
illuminated entry system.
■To prevent battery discharge
All of the lights will automatically turn off when the ignition key is removed and the
door is left open for more than 30 minutes.
■Customization
Setting (e.g. The time elapsed before lights turn off) can be changed. (
P. 400)

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4-3. Do-it-yourself maintenance
■If the battery is discharged
The following symptoms may occur.
●The wireless remote control will not function properly.
●The operational range is reduced.
■Use a CR1616 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.
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 electronic key.
●Do not bend the battery terminals.