Add it yourself...
Tranny Drain And Fillhttp://us.lexusownersclub.com/forums/index.php?showtopic=11844
How to change the transmission fluid on a GS3/400 98+http://bananags.grantham-international.com/GS_DIY/change_oil/index1.html
How to Flush Tranny Fluidhttp://www.jzs147.com.au/forum/viewtopic.php?t=955
Complete Automatic transmission flushhttp://bananags.grantham-international.com/GS_DIY/completetrans/
Changing Automatic Transmission Fluidhttp://my.is/forums/f65/changing-automatic-transmission-fluid-238093/
How to Change the Transmission Fluid & Filterhttp://www.lexls.com/tutorials/transmission/transchange.html
Change Transmission Fluid Through Radiatorhttp://www.lexusownersclub.co.uk/knowledge/index.php?page=index_v2&id=187&c=7
Change Transmission Filter & Pan Gaskethttp://www.lexusownersclub.co.uk/knowledge/index.php?page=index_v2&id=184&c=7
Change Differential Oilhttp://www.lexusownersclub.co.uk/knowledge/index.php?page=index_v2&id=183&c=7
more . . .
How to Remove the Driveshafthttp://www.lexls.com/tutorials/driveshaft/removal.html
Changing Differential Fluidhttp://bananags.grantham-international.com/GS_DIY/change_diff/index.html
How to Change the Differential Oilhttp://www.lexls.com/tutorials/suspension/diffchange.html
Limited Slip Differential Installationhttp://bananags.grantham-international.com/GS_DIY/LSD/
change Lexus differential oilhttp://www.lextreme.com/differential.html
Differential Oilhttp://us.lexusownersclub.com/forums/index.php?showtopic=14715
repair Lexus differential oil leakhttp://www.lextreme.com/differential-leak.html
How to Replace Rear Axle Carrier Arm Bushingshttp://www.lexls.com/tutorials/suspension/rcabushings.html
How to Jack Up the Car & Remove the Wheelshttp://www.lexls.com/tutorials/intro/wheels.html
Wheel Alignment Settingshttp://www.planetsoarer.com/alignment/alignment.htm
Wheel Bolt Pattern & Offset Referencehttp://www.discountedwheelwarehouse.com/Vehicle_Bolt_Pattern_Reference.cfm
The Wheel and Tyre Bible Page 1 of 2http://www.carbibles.com/tyre_bible.html
Full Alloy Wheel Refurbishment Guidehttp://www.imoc.co.uk/forums/kb.php?mode=article&k=95
Replacing Front Wheel Bearingshttp://autorepair.about.com/cs/doityourself/a/bl_wh_bearing1.htm