Add it yourself...
how to patch your alarms keyless entry into your aristohttp://www.jzs147.com.au/forum/viewtopic.php?t=966
Window not winding down/up?http://www.jzs147.com.au/forum/viewtopic.php?t=1455
how to wire up aftermarket alarmhttp://bananags.grantham-international.com/GS_DIY/ALARM/index.html
Aristo Wiring Diagram For Aftermarket Alarmshttp://www.jzs147.com.au/forum/viewtopic.php?t=1526
Disable VSC/TRAChttp://www.clublexus.com/forums/showpost.php?p=1913052
Change out the factory alarm LED with a super bright LEDhttp://bananags.grantham-international.com/GS_DIY/oemLED/
Repairing Your Rear Window Defrosterhttp://autorepair.about.com/cs/doityourself/a/aa112302a.htm
Change The Maplighthttp://www.lexusownersclub.co.uk/forum/index.php?showtopic=46389
Lexus Alarm Wiring Diagramshttp://www.bulldogsecurity.com/wires/lexusindex.htm
more . . .
How To Remove Your Headlightshttp://www.jzs147.com.au/forum/viewtopic.php?t=1750
JDM aristo XENON retro PART 1http://www.clublexus.com/forums/showthread.php?t=127691
How to remove rear brake lighthttp://bananags.grantham-international.com/GS_DIY/change_brakelight/
fog light switch modhttp://bananags.grantham-international.com/GS_DIY/FOGMOD/
How to Change Inner Parking Lights (aka city lights)http://www.clublexus.com/forums/showpost.php?p=1894011
Black Housinghttp://www.clublexus.com/forums/showthread.php?t=115855
clear out your taillighthttp://bananags.grantham-international.com/GS_DIY/brakelight/index.html
Jdm Aristo Retro Part 2http://www.clublexus.com/forums/showthread.php?t=134232
Tight-Ass way to saving your rear light sockets.http://www.jzs147.com.au/forum/viewtopic.php?t=1863
stereo upgradehttp://bananags.grantham-international.com/GS_DIY/STEREO/
Wiring up your new aftermarket headunit to the speakershttp://www.jzs147.com.au/forum/viewtopic.php?t=538
making an amp shelfhttp://www.jzs147.com.au/forum/viewtopic.php?t=1801
How to Wire New Headunit to the Aristo Speakershttp://www.jzs147.com.au/forum/viewtopic.php?t=53
Change stock speakershttp://bananags.grantham-international.com/GS_DIY/SPEAKERS/index.html
Lexus GS300 Car Stereo Removal and Installationhttp://www.carstereohelp.com/stereoremovalLexusGS300Str.htm
Lexus GS300 CD Changer Removal and Installationhttp://www.carstereohelp.com/stereoremovalLexusGS300CDChgr.htm
Speakers Installed...PROPERLY (Official 2GS Install Speaker thread)http://www.clublexus.com/forums/showthread.php?t=104283
How to remove your Radio/Cassette Head unithttp://bananags.grantham-international.com/GS_DIY/remove_head/
replace Lexus AC Compressorhttp://www.lextreme.com/ac.html
Make Your Own GS Cabin AC Air Filter for $6http://www.clublexus.com/forums/showthread.php?t=122075
Hardwiring Valentine One Radar Detector in a GS430http://www.clublexus.com/forums/showthread.php?t=120585
sony BlueTooth hands free car kithttp://www.clublexus.com/forums/showthread.php?t=116935
TV mounthttp://bananags.grantham-international.com/GS_DIY/TVMOUNT/index.html
DVD/MP3 player in armresthttp://bananags.grantham-international.com/GS_DIY/DVDPLAY/index.html
OEM NAVIGATION on a NON NAV-GShttp://bananags.grantham-international.com/GS_DIY/OEMGPS/
instruction on replacing the battery on the Lexus remote and replace the air filterhttp://bananags.grantham-international.com/GS_DIY/hepa_filter/
Remove/Replace 98-2000 Navigation hard drivehttp://bananags.grantham-international.com/GS_DIY/change_nav_hd/
Change NAV destination while in motionhttp://www.clublexus.com/forums/showthread.php?t=167666
