My other car is an STi and my wife has a Subaru Legacy. I have become very accustomed to the map lights in these cars and dearly missed them when I got the Fit. So I got to thinking: some of the STi folks are crazy enough to cut big holes in the roofs of their cars to install a rally-style air vent; doing so means that the map light has to go. What do they do with those old map lights? So I posted a WTB over on IWSTI.com and got several immediate responses.
$15 plus several hours' worth of fooling around with wires, sharp objects, and fabrication of one-off clamp mounts later: