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Your Lexus Dealer has access to a customisation tool that allows you to change many of the settings of your car.

These are known as the C-Best settings, and are shown below in tabular form

<table width="100%" border="1">

<tr>

<td><div align="center"><strong>Category</strong></div></td>

<td><div align="center"><strong>Item Select</strong></div></td>

<td><div align="center"><strong>Default</strong></div></td>

<td><div align="center"><strong>Description</strong></div></td>

<td><div align="center"><strong>Options</strong></div></td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>OPEN DOOR WARNING</td>

<td>ON</td>

<td>ON / OFF of 10 second buzzer if door is open when locking with wireless

transmitter</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>WIRELESS BUZZ VOLUME</td>

<td>MID2</td>

<td>Adjusts the volume of the wireless buzzer</td>

<td>OFF / MIN / MID1 / MID2 / MID3 / MAX</td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>WIRELESS OPERATION</td>

<td>ON</td>

<td>ON / OFF of the wireless door lock function</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>CAR FINDER</td>

<td>ON</td>

<td>ON / OFF of the car finder function which lights up all turn signal lights

once when lock button is pressed on transmitter while vehicle doors are

locked and closed</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>ALARM FUNCTION</td>

<td>ON</td>

<td>ON / OFF of panic function if transmitter button is pressed for 1.5 seconds</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>INT / LGT ON / UNLOCK</td>

<td>ON</td>

<td>ON / OFF of interior lights when vehicle is unlocked with transmitter</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>UNLOCK / 2 OPER</td>

<td>ON</td>

<td><p>ON Pressing transmitter unlock button once will unlock drivers door

pressing<br>

twice will unlock all doors</p>

<p>OFF Pressing transmitter button once makes all doors unlock.</p></td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>TRUNK LID OPER</td>

<td>0.8PR</td>

<td>OFF Transmitter will not open trunk<br>

0.8PR Trunk button must be pressed for 0.8 seconds-to open trunk <br>

1TIME Trunk button must be pressed once to open trunk<br>

2TIME Trunk button must be pressed twice to open trunk</td>

<td>OFF / 0.8PR / 1TIME / 2TIME</td>

</tr>

<tr align="left" valign="top">

<td>Wireless Door Lock</td>

<td>AUTO LOCK DELAY</td>

<td>30S</td>

<td>After the vehicle is unlocked with the transmitter vehicle will lock if

a door is<br>

not opened before the specified time (30 or 60 seconds)</td>

<td>30S / 60S</td>

</tr>

<tr align="left" valign="top">

<td>Door Lock</td>

<td>UNLOCK/PARK</td>

<td>OFF</td>

<td>ON / OFF of door auto unlock when vehicle is stopped and shifted into

Park</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Door Lock</td>

<td>ALL UNLOCK / OPN-CL</td>

<td>OFF</td>

<td>ON / OFF of door auto unlock for all doors when drivers door opens within

10 seconds<br>

of turning the ignition key from ON to OFF</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Door Lock</td>

<td>UNLOCK / KEY TWICE</td>

<td>ON</td>

<td><p>ON When unlocking the drivers door one turn of the key will unlock

drivers<br>

door only two turns will unlock all doors<br>

OFF When unlocking drivers door one turn will unlock all doors </p></td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Door Lock</td>

<td>ANSWER BACK</td>

<td>HAZARD</td>

<td>HAZARD: Hazard lights will blink once when transmitter is used to lock

vehicle<br>

and twice when unlocking the vehicle providing the doors hood and trunk

are dosed.<br>

OFF: Hazard lights will not blink </td>

<td>HAZARD / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Security</td>

<td>PASSIVE MODE</td>

<td>OFF</td>

<td>ON / OFF of automatic activation of the security system 30 seconds after

key is<br>

removed from ignition and doors are dosed. Upon reentry driver has 15 seconds<br>

to:<br>

1) insert key into the ignition front door or trunk<br>

2) use transmitter to open vehicle </td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Security</td>

<td>UP / DOOR KEY</td>

<td>ON</td>

<td>ON / OFF: Windows will roll up when key is locking drivers door and<br>

held for 1.5 seconds with the ignition off</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Power Window</td>

<td>DOWN / DOOR KEY</td>

<td>ON</td>

<td>ON / OFF: Windows will roll down when key is unlocking drivers door and<br>

held for 1.5 seconds with the ignition off</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Power Window</td>

<td>DOWN / WIRELESS</td>

<td>ON</td>

<td>ON / OFF: Windows will roll down when transmitter unlock button is held<br>

for 1.5 seconds with the ignition off</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Illuminated Entry</td>

<td>LIGHTING TIME</td>

<td>15S</td>

<td>Delay of interior light dimming function.<br>

Interior lights will dim quickly if ignition is ON</td>

<td>7.5S / 15S / 30S</td>

</tr>

<tr align="left" valign="top">

<td>Illuminated Entry</td>

<td>I/L ON / UNLOCK</td>

<td>ON</td>

<td>ON / OFF of interior light up when unlocking door using door lock cylinder.<br>

Regardless of this setting interior lights will still light up when interior<br>

light switch is in the door position and door is opened.</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Warning</td>

<td>LIGHT REMIND</td>

<td>OFF</td>

<td>ON / OFF of headlight reminder buzzer</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Warning</td>

<td>KEY REMIND SOUND</td>

<td>NORMAL</td>

<td>Frequency of key reminder buzzer</td>

<td>LOW / NORMAL / HIGH</td>

</tr>

<tr align="left" valign="top">

<td>Warning</td>

<td>KEY REMIND VOLUME</td>

<td>LARGE</td>

<td>Volume of key reminder buzzer</td>

<td>SMALL / MEDIUM / LARGE</td>

</tr>

<tr align="left" valign="top">

<td>Warning</td>

<td>LIGHT OFF DELAY</td>

<td>30S</td>

<td>Delay time for headlight turnoff to specified setting</td>

<td>OFF / 30S / 60S / 90S</td>

</tr>

<tr align="left" valign="top">

<td>Warning</td>

<td>LIGHT CTRL TYPE</td>

<td>CURRENT</td>

<td>OLD : 6 second automatic headlight ON delay 8 second headlight OFF delay<br>

CURRENT: 15 second delay for automatic headlight ON or OFF</td>

<td>CURRENT / OLD</td>

</tr>

<tr align="left" valign="top">

<td>Light Control</td>

<td>SENSITIVITY</td>

<td>NORMAL</td>

<td>Adjusts the sensitivity of the automatic headlight illumination system</td>

<td>DARK2 / DARK1 / NORMAL / LIGHT1 / LIGHT2</td>

</tr>

<tr align="left" valign="top">

<td>Light Control</td>

<td>DISP EX ON SEN</td>

<td>NORMAL</td>

<td>Adjusts the brightness of indicator lights (Shift Taillight Headlight

Cruise<br>

and Power Mode indicators) when headlights are ON</td>

<td>DARK2 / DARK1 / NORMAL / LIGHT1 / LIGHT2</td>

</tr>

<tr align="left" valign="top">

<td>Light Control</td>

<td>DISP EX OFF SEN</td>

<td>NORMAL</td>

<td>Adjusts the brightness of indicator lights (Shift Taillight Headlight

Cruise<br>

and Power Mode indicators) when headlights are OFF</td>

<td>DARK2 / DARK1 / NORMAL / LIGHT1 / LIGHT2</td>

</tr>

<tr align="left" valign="top">

<td>Tilt & Telescope</td>

<td>AUTO TILT AWAY</td>

<td>ON</td>

<td>ON / OFF of auto away/return function</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Sliding Roof</td>

<td>OPEN / DOOR KEY</td>

<td>ON</td>

<td>Links sliding roof to DOWN / DOOR KEY function when door is unlocked for

1.5 seconds</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Sliding Roof</td>

<td>CLOSE / DOOR KEY</td>

<td>ON</td>

<td>Links sliding roof to UP / DOOR KEY function when door is locked for 1.5

seconds</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Sliding Roof</td>

<td>OPEN / WIRELESS</td>

<td>ON</td>

<td>Links sliding roof to DOWN / WIRELESS function when transmitter unlock<br>

button is pressed tor 1.5 seconds </td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Sliding Roof</td>

<td>DOOR KEYOPER</td>

<td>SLIDE</td>

<td>Changes operation of sliding roof when using key to open or close roof

</td>

<td>SLIDE / TILT</td>

</tr>

<tr align="left" valign="top">

<td>Sliding Roof</td>

<td>WIRELESS OPER</td>

<td>SLIDE</td>

<td>Changes operation of sliding roof when using transmitter to open roof

</td>

<td>SLIDE / TILT</td>

</tr>

<tr align="left" valign="top">

<td>Air Conditioner </td>

<td>AIR INLET MODE </td>

<td>AUTO </td>

<td>AUTO : Will automatically change air inlet to RECIRCULATE when A/C is

turned ON<br>

MANUAL: Will not change air inlet when A/C is turned ON </td>

<td>AUTO / MANUAL</td>

</tr>

<tr align="left" valign="top">

<td>Air Conditioner </td>

<td>COMPRESSOR MODE </td>

<td>AUTO </td>

<td>AUTO : Will automatically turn ON A/C if AUTO button is pressed when blower

is ON<br>

MANUAL: Driver must turn ON the A/C when Auto button is pressed </td>

<td>AUTO / MANUAL</td>

</tr>

<tr align="left" valign="top">

<td>Air Conditioner </td>

<td>COMPRS / DEF OPER </td>

<td>LINK </td>

<td>Link : A/C will turn ON when Defroster is ON<br>

NORMAL: A/C must be manually activated when Defroster is turned ON </td>

<td>LINK / NORMAL</td>

</tr>

<tr align="left" valign="top">

<td>Air Conditioner </td>

<td>AIR INLET OPER </td>

<td>LINK </td>

<td>Link: In the event of A/C malfunction air inlet will change to OUTSIDE.<br>

NORMAL: Air inlet will not change. </td>

<td>LINK / NORMAL</td>

</tr>

</table>

If case it is needed, here are scans of the Technical Service Informational Bulletin released by Lexus on 22/06/2001

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What particular year GS300 do they apply to. I have a 1998 S, and would like to implement some of the customisations. Will they apply ???

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  • 3 years later...

Interesting. According to the table data there isn't an option to close the windows via the transmitter.

I thought you could do this, but with my recently acquired GS 430 Sport the windows and sunroof open using the remote, but will not close with the remote. They will however close when you hold the key in the lock position. I'm going to ask my local delear about this when I take it in for its service.

<tr align="left" valign="top">

<td>Security</td>

<td>UP / DOOR KEY</td>

<td>ON</td>

<td>ON / OFF: Windows will roll up when key is locking drivers door and held for 1.5 seconds with the ignition off</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Power Window</td>

<td>DOWN / DOOR KEY</td>

<td>ON</td>

<td>ON / OFF: Windows will roll down when key is unlocking drivers door and held for 1.5 seconds with the ignition off</td>

<td>ON / OFF</td>

</tr>

<tr align="left" valign="top">

<td>Power Window</td>

<td>DOWN / WIRELESS</td>

<td>ON</td>

<td>ON / OFF: Windows will roll down when transmitter unlock button is held for 1.5 seconds with the ignition off</td>

<td>ON / OFF</td>

</tr>

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  • 4 weeks later...

I had my car serviced yesterday and asked them to activate the transmitter window roll-up feature, but they were unable to because when they connected it to the computer this option was greyed out and couldn't be selected. I'm disappointed that I can't have this convenient feature.

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