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. Check your battery type. Most fobs use small ...

You may know the signs of a key fob with a bad battery: having to press the button multiple times or getting close to the car for activation to kick in. Sometimes the functions engage, and at other ...

Look in your pocket, purse, bag, or junk drawer, and chances are you’ll find a key fob. The basic ones lock and unlock your car’s doors. The fanciest do much more. But no matter which kind you have, ...

How Does Your Key Fob Work? The key fob uses wireless technology with a frequency of 433 MHz. There are receivers/transmitters on the vehicle and the key, so they can communicate with each other. This ...

Look in your pocket, purse, bag, or junk drawer and chances are you’ll find a key fob. The basic ones lock and unlock your car’s doors. The fanciest do much more. No matter which kind you have, ...

Long gone are the days of having to use an actual key to unlock your car doors. Modern vehicles typically come with a remote key fob — a term with an interesting backstory — allowing you to lock and ...

Dead fob battery in a parking garage at midnight? That sinking feeling hits different when you’re miles from home and facing a locksmith bill that costs more than your dinner date. Every modern key ...

In recent years, car key fobs have become less focused on the key itself and more focused on the technology that can be placed within the fob. Now, some key fobs don’t even have keys, with ...

Aphaea records her video from the interior of a car. She holds up a car key fob to the camera beneath a text overlay. The on-screen caption reads, “Honda said it would cost $175 to replace.” As she ...

A key fob is a small device that helps you engage the security system on a car to gain access and, sometimes, start the car remotely. They come attached with an RFID chip & an antenna inside and use ...