A longitudinal axis of the second reflecting surface is across {HEAD ~ an optical axis X} of {TAIL ~ the vehicle light} which passes through the light source 
A longitudinal axis of the second reflecting surface is across { HEAD ~ an optical axis X } of { TAIL ~ the vehicle light } which passes through the light source
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH