2006 Lexus GS430 engine

KEYS AND DOORS
12If the electronic key battery is discharged, the entry function
and wireless remote control cannot be used. Use the
mechanical key integrated into
the electronic key by inserting
it in the door keyhole to lock or unlock doors and into the trunk
lid keyhole to unlock the trunk lid. To start the engine, see
“Starting the engine when the electronic key battery is
discharged” on page 357. In order to activate the entry function
and wireless remote control, the battery should be replaced.
For details, see “Replacing the battery” on page 34.
(a) Engine immobilizer
G11009
The engine immobilizer is a theft prevention function.
When you enter the vehicle carrying an electronic key and
press the engine switch, the electronic code in the key is
automatically checked to determine whether it
corresponds to the registered ID code for the vehicle. If
the ID code is verified, you can start the engine.
The system is automatically set when the engine switch is off.
The indicator light will start flashing to show the system is set.

KEYS AND DOORS
13
If any of the following indicator conditions occurs, contact your
Lexus dealer.

The indicator light stays on except when the theft deterrent
system is setting or activating. (See “Theft deterrent
system” on page 41.)
 The indicator light does not start flashing when the engine
switch is off.
 The indicator light flashes inconsistently.
For your Lexus dealer to make you a new key, your dealer will
need your key number and electronic key. However, there is
a limit to the number of additional keys your Lexus dealer can
make for you.
If you make your own duplicate key, you will not be able
to cancel the function or start the engine.
NOTICE
Do not modify, remove or disassemble the engine
immobilizer. If any unauthorized changes or
modifications are made, proper operation of this
function cannot be guaranteed.
For vehicles sold in U.S.A.
FCC ID: NI4TMIMB1
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
received, including interference that may cause
undesired operation.
CAUTION
Changes or modifications not expressly approved by
the party responsible for compliance could void the
user’s authority to operate the equipment.

KEYS AND DOORS
15
CAUTION
People with implanted pacemakers or cardiac de-
fibrillators should keep away from the smart ac-
cess system antennas, because the radio waves
may affect the operation of such devices. For the
antenna locations, see “Antenna locations” on
page 28.
 Users of any electrical medical device other than
implanted pacemakers and implanted cardiac de-
fibrillators should consult the manufacturer of the
device for information about its operation under
the influence of radio waves. Radio waves could
have unexpected effects on the operation of such
medical devices.
 If necessary, the entry functions can be deactivated.
Ask your Lexus dealer for details.
INFORMATION
Be sure to take the electronic key with you.
 In the following cases, the entry function, wireless
remote control or pushbutton starting feature may
not operate properly. If this happens, use a
mechanical key to lock or unlock the doors and trunk
lid. If you are unable to use pushbutton starting,
follow the procedure for starting the engine on page
357.
When facilities issuing strong electromagnetic
waves such as TV towers, electric power stations,
broadcasting stations are nearby.
In places where automated payment facilities are
installed (such as gas stations).
When you are carrying an electronic key together
with a mobile communications system such as a
twoway radio or cellular phone.
When the electronic key is in contact with or
covered by a metallic object.
When in proximity to a number of electronic keys
When placed in proximity to electrical appliances
e.g. computer
When another person is operating a wireless
remote control function on another vehicle near
your vehicle.
When the electronic key is in close contact with
one’s body.

KEYS AND DOORS
17
G11025
When a door is opened and closed with the engine
switch in “ACC” or “IGON” mode and with the selector
lever in the “P” position, and then the electronic key is
carried outside of the vehicle.
Inside alarm: One chime
Outside alarm: 3 beeps
Multiinformation display: “KEY IS NOT DETECTED”
See page 93 for details.
G11026
 When you attempted to lock the door(s) with the
electronic key still in the vehicle.
Outside alarm: One beep (sounds for 2 seconds)
See page 21 and 22 for details.

KEYS AND DOORS
18
G11149
When you pushed the lock button on the outside door
handle while carrying the electronic key with the engine
switch not to be turned off.
Outside alarm: One beep (sounds for 2 seconds)
See page 21 and 22 for details.
G11027
 When you attempted to lock a door which is not
completely closed while carrying an electronic key with
the engine switch off.
Outside alarm: One beep (sounds for 10 seconds)
See page 22 for details.

KEYS AND DOORS
19
Inside warning
alarm
Outside warning alarmWarning message onthe multi− information
display
Causes
ChimesNoneNoneThe driver’s door was opened when the engine switch is
selected in “ACC” mode and the selector lever was in “P”, or\
when the steering lock is not activated.
Beep
(sounds
continuously)Beep
(sounds
continuously)“SHIFT TO P
RANGE” and “KEY IS
NOT DETECTED”
appear alternately.The electronic key was not in the vehicle, the driver’s door
was opened and closed when the engine switch was
selected in “ACC” or “IG− ON” mode and the selector lever
was in a position other than “P”.
Beeps
(sound
intermittently)NoneNoneThe driver’s door was opened when the engine switch was
selected in “ACC” or “IG− ON” mode and the selector lever
was in a position other than “P”.
One chimeNone“KEY IS NOT
DETECTED”
(shown for about 8
seconds)The engine switch was pushed while the electronic key was
not in the vehicle or the electronic key battery was
discharged.
One chimeNone”LOW KEY
BATTERY”Electronic key battery is low.

KEYS AND DOORS
20LOCKING THE DOORS WITH ENTRY FUNCTION
G11028
When the engine switch is off and you push the lock
button on the outside door handle while carrying an
electronic key, all the doors will be locked. At this time,
one beep will sound and the turn signal lights will flash
once.
The entry function will be activated within about 1m (3ft.) from
each outside door handle.
However, when you push the lock button on the outside door
handle with any door not closed securely, a beep sounds for
10 seconds. (For details, see page 22.)
If outer foot lights are illuminated, you can turn off the lights by
pushing the lock button on the outside door handle. (For
details, see “Outer foot lights” on page 212.)
NOTICE
If the key is in the vehicle, do not perform door locking
operation, or you might lock your keys inside the
vehicle.
INFORMATION

When locking the doors, be sure to push the lock
button on the outside door handle slowly and firmly.
If you push the button quickly, the doors may not
lock.
 When opening or closing a door, do not touch the
lock button on the outside door handle.
 When an electronic key is used to lock the doors and
an electronic key is left in the effective range of the
entry function in the vehicle, the doors cannot be
unlocked using the entry function. In this case, use
the wireless remote control function to unlock the
doors.
 You cannot activate unlocking function within 3
seconds after the locking function is activated.

KEYS AND DOORS
22
G11030
Engine switch on/off reminder alarm
If you push the lock button on the outside door handle
without turning off the engine switch, an alarm sounds for
2 seconds and the doors will not lock.
Before you push the lock bu tton, make sure you have an
electronic key and that the engine switch is off.
G11031
 Open door warning
If you push the lock button on the outside door handle
while any door is not completely closed, an alarm sounds
for 10 seconds and the doors will not lock.
To stop the alarm, close all the doors securely or push the
“UNLOCK” button on the electronic key.
Before you push the lock bu tton, make sure you have an
electronic key and all the doors are securely closed.