What is a key fob, anyway? A key fob is a small remote device that allows you to control a keyless system. With a key fob, you don’t need an actual key to get into your car. The key fob uses radio ...

For many drivers, our car key fob is just as invaluable as our keys themselves. When's the last time you opened your car door manually with a key? Besides unlocking and locking the doors, the gadget ...

As Apple moves to assimilate all of your physical items into the iPhone, the number of vehicles compatible with Car Key keeps growing. Here's what Car Key actually does. If nothing else, it means one ...

It's almost hard to believe that at one point, cars didn't have keys. Keys didn't become a thing until the 1910s, when automakers implemented them as a minor safety measure to prevent potential ...

None. Modern cars use an encrypted rolling number system. While I don’t know the length of the cryptographic keys actually used, even short keys by today’s standards, say 512 bits, give an ...

Modern car thieves don’t need to break windows or hot-wire ignitions anymore. They’re using relay attacks to steal keyless entry vehicles in under 30 seconds, often while you’re sleeping upstairs.

Car keys, sunglasses, and TV remotes have two things in common — they are easy to lose and can be expensive to replace. If you lose a car key or just need another copy, you'll likely look for the most ...

And what you can actually do about it. Drop your phone, and your day’s ruined. Lose your car key, and your month might be. In 2025, replacing a modern key fob can cost more than buying a new iPhone.