On my 2006 Prius the left headlight is sometimes out and then on. I watched it go dim to on while the right side was on fully. any ideas? I know a new bulb is very expensive so I don't want to replace it if not necessary.
I had the same problem with a 2007 Prius. I took it to my dealer and they replaced both headlights at no cost even though only one light had the problem. they told me it was a known problem.
