Q: I am having an electrical problem with my 2008 Nissan Altima coupe — all the lights on my dashboard flicker on and off at random times. I have taken my car to multiple mechanics over the last year, ...

We'll start with a dash light that isn't technically a warning light. The fog light symbol looks a lot like the one used for ...

Question: I drive a 2005 Chrysler 300 with 62,000 miles. Recently, when the car is started, the dash lights and headlights flicker, and the battery light illuminates, then goes off after a while.

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.