Questions that I didn't get answered from the video...
Was it luck that the rescuers on the road saw the hikers' lights?
yes. what hikin jim said.
Or did the hikers intentionally signal the rescuers?
no.
Did the hikers use S.O.S. at all?
no.
What kind of headlights were the hikers using?
not stated.
read the accompanying story here. and
sierra club newsletter - page 7