Solenoids are everywhere. They open the water valve in your dishwasher, control the flow of gas in your stove, regulate ink delivery in printers, and play a crucial role under the hood of your car.

John Paul, AAA Northeast's Car Doctor, answers a question from a reader who ran into trouble after installing a new ignition switch. The Car Doctor answers a question from a reader who ran into ...

There's nothing more frustrating than when you're rushing home to the sanctity of your own toilet and you're hamstrung by a seemingly simple snag like a car key that won't come out of the ignition.