key Lexus GS430 2006 Scheduled Maintenance Guide / LEXUS 2006 GS430/GS300 FROM JAN. 2005 PROD. OWNER'S MANUAL (OM30649U)

HOW TO USE THIS MANUAL
vi
HOW TO USE THIS MANUAL
The contents of this manual are explained briefly on this
page to help you make the best use of the manual. Please
read this page and the rest of the Owner’s Manual
carefully to make sure you fully understand the operation
of your vehicle.
This will help you enjoy safe and comfortable driving.
TABLE OF CONTENTS
The table of contents and the pictorial index provide easy
reference to the appropriate pages.
BASIC OPERATION QUICK REFERENCE
Operation of basic equipment is briefly explained in an easily
understandable way for quick reference.
SECTION 1 INSTRUMENTS AND CONTROLS
The vehicle’s equipment is divided into the 8 groups listed
below. Use of the equipment is explained, including any points
you should pay particular attention to.
1. Keys and doors
2. Switches
3. Gauges, meters and service reminder indicators
4. Interior equipment
5. Exterior equipment
6. Occupant restraint systems
7. Steering wheel and mirrors
8. Touch screen
SECTION 2 AIR CONDITIONING AND AUDIO
The features of the vehicle’s air conditioning and audio are
explained in detail. Be sure to read this section so that you can
make full use of them.
SECTION 3 STARTING AND DRIVING
Starting the engine, driving, stopping, operation of features
affecting vehicle handling, hints on vehicle safety and safe
driving techniques are all explained. Please read everything
in this section, and remember − drive safely!
SECTION 4 IN CASE OF AN EMERGENCY
This section explains what to do in the event of an urgent
situation such as the engine not starting or getting a flat tire,
etc. If such a problem occu rs, check the contents of this
Owner’s Manual and follow the instructions given.
SECTION 5 MAINTENANCE
This section explains the importance of regular maintenance.
Regular and periodic inspection and maintenance of your
Lexus will help to keep your vehicle in its best condition.
SECTION 6 SERVICE PROCEDURES AND
SPECIFICATIONS
Simple maintenance procedure and service data are provided
here for your reference should you wish to perform inspection
and maintenance yourself.

SECTION 1 – 1
7
INSTRUMENTS AND CONTROLS
Keys and doors
Keys8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . .
Smart access system with push− button start10
. . . . . . . . . . . . . . . . . .
Doors 35
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . .
Theft deterrent system 40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\

KEYS AND DOORS
8
KEYS
G11007
1Electronic keys These keys will work for the doors,
trunk and can start the engine. They will not work for
glove box and trunk storage extension door. Your
dealer will need one of them to make a new key.
Before you use these keys, be sure to read “Smart access
system with push− button start” on page 10.
2
Mechanical keys These keys work for the doors,
trunk, glove box and trunk storage extension door,
but cannot start the engine.
3Key number plate Keep the plate in a safe place
such as your wallet, not in the vehicle.
Using a mechanical key
G11008
When you use the mechanical key included on the side of the
electronic key, slide the lock knob in the arrow direction and
take out the key as shown. To put the key back, slide the key
gently until it locks, paying attention to the angle and position
of the key. Be sure to put the key back when not in use.
NOTICE
When using an electronic key, observe the following
precautions:
 Do not af fix any material that cuts off electromagnetic
waves (such as a metal seal) on the electronic key.
 Do not knock the electronic key hard against other
objects.
 Do not leave the electronic key exposed to high
temperatures for a long period, such as on the
dashboard or hood under direct sunlight.

KEYS AND DOORS
9

Do not put the electronic key in water or wash it in an
ultrasonic washer.
 Do not keep the electronic key together with the
products emitting electromagnetic waves such as a
cellular phone.
 Do not disassemble the electronic key.
 Do not place the electronic key near electrical
appliances (e.g. television, computer or stereo) or
electrical medical equipment such as low frequency
medical appliances.
 If gasoline, polishing agents or oil adheres to the
electronic key, it may deform or crack over time.
The electronic keys are required to deactivate the engine
immobilizer, and are essential for the engine immobilizer to
function correctly, so be careful not to lose these keys. If you
make your own duplicate key, you will not be able to cancel the
system or start the engine.
To protect items when using valet parking, turn the trunk lid
opener main switch to inoperative or lock the glove box if
necessary, and leave the electronic key (with the mechanical
key removed) with the attendant. For details, see “Trunk lid
opener main switch” on page 126.
If you should lose your electronic keys or if you need additional
electronic keys, duplicates can be made by a Lexus dealer
using the key number.
We recommend writing down the key number and storing it in
a safe place.

KEYS AND DOORS
10
SMART ACCESS SYSTEM WITH PUSHBUTTON START
G11024
 1Engine immobilizer 2Entry function 3Wireless remote control 4Pushbutton starting
The smart access system with pushbutton start comprises 4 kinds of f\
unctions; engine immobilizer, entry function,
wireless remote control and pushbutton starting.
For engine immobilizer, see page 11.
For entry function, see page 13.
For wireless remote control, see page 28.
For push− button starting, see page 342.

KEYS AND DOORS
11
If 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 27. In order to activate the entry function
and wireless remote control, the battery should be replaced.
For details, see “Replacing the battery” on page 33.
(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
12If 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 40.)
 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 with a built −in
transponder chip, 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
13
For 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.
(b) Entry functions*
Entry functions are as follows:
 Locking the doors
(For details, see page 19.)
 Unlocking the door(s)
(For details, see page 22.)
 Changing the doors to be unlocked
(For details, see page 23.)
 Unlocking the trunk lid
(For details, see page 24.)
 Battery power saving
(For details, see page 26.)
 Starting the engine when the electronic key battery is
discharged
(For details, see page 27.)
NOTE:
*These functions can be deactivated.
Ask your Lexus dealer for details.

KEYS AND DOORS
14
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
27.
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.
 If you do not drive your vehicle, store the electronic
key, keeping it at least 5 m (15 ft.) away from the
vehicle.

KEYS AND DOORS
15
ALARMS AND WARNING MESSAGES
Your Lexus is equipped with alarms inside and outside, as
well as warning messages in the multiinformation
display,
that remind you if there is a problem involving the
entry function.
Cases which are expected to happen frequently are
shown in the illustrations and the other cases are
described in the table. If an alarm or warning message
comes on, check to see what the problem is referring to
the illustrations and table, and take the appropriate
measure.
If a warning message appears, the master warning light
will blink.
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 91 for details.