2005 LEXUS LS430 Owners Manual

KEYS AND DOORS
38
Locking/Unlocking the doors
When you push the “LOCK” button on the key briefly, all
the doors can be locked from outside the vehicle.
At this time, you can hear one beep and the turn signal lights
flash once.* However, when you push the “LOCK” button with
any door not closed securely, the buzzer sounds for 10
seconds.** To stop the buzzer, close all the doors securely or
push the “UNLOCK” button. If the key is in the ignition switch,
locking cannot be done.
NOTE:
* The turn signal lights can be set not to flash.
** The buzzer can be set not to sound if a door is not closed
securely.
Ask your Lexus dealer for details.
If outer foot lights are illuminated, you can turn off the lights by
pushing the “LOCK” button on the key. (For details, see “Outer
foot lights” on page 233.)
NOTICE
Do not push the “LOCK” button any longer than 2 to 3
seconds. Pushing the button longer activates an alarm.
For details, see page 40.
When you push the “UNLOCK” button, the driver’s door
is unlocked and outer foot lights come on. Pushing the
“UNLOCK” button once again within 3 seconds from the
first push, all other doors are also unlocked.*
For outer foot lights, see “Outer foot lights” on page 233.
NOTE:
* The 2step unlocking function can be changed.
Ask your Lexus dealer for details.
At this time, two beeps sound and the turn signal lights flash
twice.* Together with the activation of unlocking, the interior
light comes on for 15 seconds if the interior light switch is in
“DOOR” position.** However, this function does not work
when the ignition switch is in the “ACC” or “ON” position. \
For
further information, see “Interior lights” on page 112.
You have 30 seconds to open a door after using the wireless
remote unlock feature.*** If a door is not opened by then, all
the doors will be automatically locked again.
NOTE:
* The turn signal lights can be set not to flash.
** The interior light can be set not to come on or the duration
of lighting can be changed.
*** The time before automatic relocking can be changed.
Ask your Lexus dealer for details.
Even if the “LOCK” or “UNLOCK” button is kept pressed in, the
locking or unlocking operation is not repeated. Release the
button and then push it again.

KEYS AND DOORS
39
Adjusting the volume of beeps
11L340b
You can adjust the volume of the beeps which confirm the
locking or unlocking the doors or remind you when the
doors are not completely closed.
Turn the volume adjustment knob counterclockwise to
increase the volume or clockwise to decrease it. The beep
sound is completely deactivated when you turn the knob
clockwise until you hear a click.
INFORMATION
The volume of the smart key system alarm is not
adjustable.
Unlocking the trunk lid
11L238b
 1Type A 2Type B
When you keep the button pushed for about 1 second, you
can unlock the trunk lid.* One beep sounds.
This function does not work when the ignition switch is in the
“ON” position.
NOTE:
* The operation method can be changed.
Ask your Lexus dealer for details.

KEYS AND DOORS
40
Sounding an alarm*
11L239
 1Type A 2Type B
When you keep the “PANIC” button pushed for about 2 to
3 seconds, an alarm sounds to deter any person trying to
break into or damage your vehicle.
If you want to stop the alarm, push any button.
This function does not work when the ignition switch is in the
“ON” position.
NOTE:
* The alarm can be set not to sound.
Ask your Lexus dealer for details.
Operating the windows and moon roof
The windows and moon roof can be operated using a
wireless remote control key from outside the vehicle.*NOTE:
* The windows can be deactivated. The moon roof can be
set to slide open or tilt up or deactivated.
Ask your Lexus dealer for details.
11L240a
 1 Type A 2Type B
Push the “UNLOCK” button until the windows and moon roof
start to move. At this time one beep sounds. When you
release the button, the windows and moon roof stop operating.
This function will work even with the window lock switch
pressed in.

FCC ID: HYQ12BBKMADE IN JAPAN
FCC ID: NI4B11UEMADE IN JAPAN
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference,
and (2) this device must accept any interference re-
ceived, including interference that may cause unde-
sired operation.
KEYS AND DOORS
41
For vehicles sold in U.S.A.
CAUTION
Changes or modifications not expressly approved by
the party responsible for compliance could void the
user’s authority to operate the equipment.
NOTICE
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference in a residential installation. This
equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the
interference by
one or more of the following measures:
 Reorient or relocate the receiving antenna.
 Increase the separation between the equipment and
receiver.
 Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected.
 Consult the dealer or an experienced radio/TV
technician for help.

KEYS AND DOORS
42For vehicles sold in Canada
This device complies with RSS− 210 of Industry
Canada.
Operation is subject to the following two conditions:
(1) This device may not cause interference, and (2)
this device must accept any interference, including
interference that may cause undesired operation of the
device.
Replacing the battery (Type A)
We recommend that you have the battery replaced by your
Lexus dealer to prevent the key from being damaged.
When you replace the battery, prepare a lithium battery
CR2032 or equivalent and a special screwdriver.
CAUTION
Special care should be taken to prevent small children
from swallowing the removed battery or components.
NOTICE
 Replace only with the same or equivalent type
recommended by a Lexus dealer.
 Dispose of used batteries according to the local laws.

KEYS AND DOORS
43
11L228
1. While sliding the lock switch using your finger, remove the
cover on the side of the key using a special screwdriver.
11L226
2. Remove the module from the main frame.
11L162
3. Pull the battery base out of the module using a special
screwdriver.
11L163
4. Remove the battery base from the module.
5. Take out the discharged battery and put a new battery with
the positive side up.

KEYS AND DOORS
44
NOTICE
Make sure the positive side and negative side of the
battery are faced correctly.
 Do not replace the battery with wet hands. Water may
cause unexpected rust.
 Do not touch or move any components inside the
transmitter, or it may interfere with proper operation.
 Be careful not to bend the electrode when inserting
the battery and that dust or oils do not adhere to the
inside of the module.
6. Install the battery base into the module.
NOTICE
Take care not to damage or bend the battery base when
installing.
7. Install the module into the main frame.
8. Install the cover back on the side of the key by sliding it using
your finger.
9. When pushing any switch on the wireless key, make sure
the indicator light comes on.
Replacing the battery (Type B)
When you replace the battery, prepare a lithium battery
CR1616 or equivalent and a special screwdriver.
CAUTION
Special care should be taken to prevent small children
from swallowing the removed battery or components.
NOTICE
 When replacing the battery, be c areful not to lose the
components, screws and Oring.
 Replace only with the same or equivalent type
recommended by a Lexus dealer.
 Dispose of used batteries according to the local laws.
11L0281
1. Remove the screw, and then the cover while pushing it in the

KEYS AND DOORS
45
arrow direction.
11L0291
2. Remove the module from the key frame.
11L0301
3. Remove the 2 screws to take out the lid of the module.
4. Take out the discharged battery and put a new battery with
the positive side up.
NOTICE

Make sure the positive side and negative side of the
battery are faced correctly.
 Do not replace the battery with wet hands. Water may
cause unexpected rust.
 Do not touch or move any components inside the
transmitter, or it may interfere with proper operation.
 Be careful not to bend the electrode when inserting
the battery and that dust or oils do not adhere to the
inside of the module.
 Take care not to lose the screws and Oring.
5. Install the lid with the 2 screws.
NOTICE
Take care not to damage or bend the Oring when
installing.
6. Install the module into the key frame and secure the cover
with the screw.
7. When pushing any switch on the wireless key, make sure
the indicator light comes on.