If you're looking to pick up a new key fob, or repair one, you might wonder how long programming it takes and whether or not you can do it yourself.

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.

Like anything powered by a battery, a car key fob can die—often at the worst time. Here’s how to change the battery in your key fob quickly and safely.