Q: We love our 2007 Prius and we have 217,000 miles on it. About two months ago, I was driving at night on unlighted neighborhood streets and both of my headlights went off. It was pitch black. I toggled the light switch off and on and the headlights came back on. This has happened several times since. We called several dealers and repair shops. They all said to replace the headlight bulbs. Now, if one would go off, I would agree. But both at the same time? I would say it has to be some control that is common to both. The loss of headlights happens randomly. I even looked through a schematic d…