“12:00 … 12:00 … 12:00.” If you were around in the days of VCRs, you probably remember the repetitive flashing of that number. Back when VCRs were state of the art, most of the video machines included a clock with a digital display on the front. For those who were not entirely technically savvy, programming the clock was a nuisance they often skipped. As a result, instead of the time changing every sixty seconds, “12:00” flashed endlessly on the front of the machine. People got used to it. They learned to ignore it, mostly. Today, many drivers have learned to ignore another indicator light. This one, instead of telling the time, and located in their vehicle rather than in the house, is the “Check Engine” light that one day appeared in their dashboard. As with the flashing “12:00” they got used to it until, virtually, they just didn’t see it anymore. “Unfortunately, though drivers can sometimes get away without doing anything about the ‘Check Engine’ light for a while, other times, they...