How your car's security system works Inside your key fob, there’s a tiny computer chip. This chip is programmed with a unique code that it sends to your car's security system. The car also has a chip, ...

Roger is a long-time tech journalist with many site credits including AppleInsider and Android Authority. His specialties include everything from Apple, Android, and Windows devices through to ...

Apple's iPhones and Apple Watches have supported NFC for some time now, and now those NFC capabilities can be used to allow Apple users to lock, unlock, and start compatible NFC-enabled vehicles using ...

Every year over 20 million car and house keys are lost in the United States. In addition to that, approximately 4 million Americans lock their keys in their car every year. Whether you have broken a ...

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.

Roger is a long-time tech journalist with many site credits including AppleInsider and Android Authority. His specialties include everything from Apple, Android, and Windows devices through to ...

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 ...