Q. The “gas cap” light came on in the dashboard of my 2009 Mercury Milan. My local mechanic replaced the gas cap — it was very loose — and said the light would disappear after the car was driven for a ...

If there's anything that can kill a driver's good mood, it's being out for a cruise, music blasting, and suddenly one of the lights on the dashboard illuminates. That said, a warning to check the fuel ...

These symbols, often called "idiot lights," are aimed at being easy to understand. But for many drivers, young and old alike, it's not that easy.