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!) ...

Watch this video to see how to change the battery in your key fob. How to replace car key battery. Most key fobs have a little slot you can use to pop them open with a small flatheaded screwdriver ...

Millions of drivers use a key fob to lock and unlock your car. It’s a great feature to have, but keyless entry is only a convenience if you maintain the technology.