Your car key fob is a small but mighty device. Have you ever wondered what would happen if it died while you were, say, at the grocery store? How do you start your car (or even get into your car!) ...

It started as one of those annoyances that feels almost cute—until it doesn’t. The key fob that normally unlocks the doors with a satisfying blink suddenly did nothing. No beep, no lights, no drama… ...