The key fob is your lifeline to your car, letting you unlock the doors and set off the alarm, at a minimum, but how can you tell if it needs a new battery?

The key fob is a notable chink in the modern car's less than optimal cybersecurity armor.

These key fobs allow car owners to unlock the door, start the engine, or even open the trunk from far away. But that's not all.

AAA warns car owners that key fobs are vulnerable to hacking BOSTON - Wireless key fobs are part of everyday life for car owners, but now AAA is warning hackers might use it against you.

Not that key fobs are without fault, either. Some Redditors experienced depleted batteries within a month, while others posted that their Rivian fobs have lasted for years.

Thieves amplify a vehicle's radio signal to access and copy the key fob signal to steal a vehicle. Here's how to block the signal.