Add it yourself...
Programming The Toyota/HomeLink Auto Dimming Rearview Mirrorhttp://www.club-tc.com/forums/interior/139-programming-toyota-homelink-auto....rview-mirror.html
Normalizing The Car After Battery Disconnectionhttp://www.club-tc.com/forums/general-automotive/71-normalizing-car-after-b....isconnection.html
Resetting The "Maintenance Required" Lighthttp://www.club-tc.com/forums/general-automotive/127-resetting-maintenance-required-light.html
Cabin Air Filter Installhttp://www.club-tc.com/forums/interior/2181-cabin-air-filter-install.html
How to fix your power windowshttp://www.yoursciontc.com/information/howto_powerwindow_fix.html
Led Swap For Auto Shifter and Cubbyhttp://www.club-tc.com/forums/lighting/206-led-swap-auto-shifter-cubby.html
Removing The Seat Belt Warninghttp://www.club-tc.com/forums/interior/74-removing-seat-belt-warning.html
Repairing Your Rear Window Defrosterhttp://autorepair.about.com/cs/doityourself/a/aa112302a.htm
How to Change Your Batteryhttp://autorepair.about.com/cs/doityourself/a/blbattery.htm
more . . .
Scion tC Light Bulb Sizeshttp://www.yoursciontc.com/information/bulb_sizes.html
High Intensity Discharge Lightinghttp://www.club-tc.com/forums/lighting/65-high-intensity-discharge-lighting.html
Headlight Bulb Informationhttp://www.club-tc.com/forums/lighting/64-headlight-bulb-information.html
Bulb Sizes and Wattagehttp://www.club-tc.com/forums/lighting/320-bulb-sizes-wattage.html
Headlight Removalhttp://www.club-tc.com/forums/exterior/263-headlight-removal.html
Install - HID Blue Headlight Covers - Scion xAhttp://www.headlightarmor.com/diy-install-hid-blue-headlight-covers-scion-xa.aspx
Install - GT Racing Yellow Headlight Covers - Scion xBhttp://www.headlightarmor.com/diy-install-gt-racing-yellow-headlight-covers-scion-xb.aspx
Wiring JDM bB Foglamp switch for xBhttp://andy.lbox.org/cars/projects/foglamps/
Change The Stock Stereo Messagehttp://www.club-tc.com/forums/audio-video-multimedia/81-change-stock-stereo-message.html
How to change the stereo welcome message onhttp://www.yoursciontc.com/information/howto_2006stereo_welcome.html
S2000/Element Antenna Changehttp://www.club-tc.com/forums/exterior/227-s2000-element-antenna-change.html
How To: Change Stereo Welcome Messagehttp://www.yoursciontc.com/information/howto_2005stereo_welcome.html
Aftermarket Stereo Installationhttp://www.club-tc.com/forums/audio-video-multimedia/276-aftermarket-stereo-installation.html
How To Install Front Speakershttp://www.yoursciontc.com/information/howto_front_speakers.html
AMP INSTALL IMPORTANT REMINDERShttp://forums.scionzone.com/smf/index.php?topic=1921
Custom sub boxhttp://forums.scionzone.com/smf/index.php?topic=3657
Install OEM '06+ Radio Controls in an '05http://forums.scionzone.com/smf/index.php?topic=2083
In-Dash LCD in a Scion tChttp://sounddomain.cardomainwiki.com/In-Dash+LCD+in+a+Scion+tC
Soldering 101http://www.4runners.org/writeups/solder101/index.html
How to reprogram V1http://www.valentine1.com/lab/MikesLabRpt3.asp