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 ...

Even if your key fob is too dead to unlock your vehicle, it should still be able to start it. Simply place the fob close to a ...

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 ...

Wallet. Cell phone. Car keys. That’s the mental checklist many of us go through before we leave the house. But don’t you hate it when you approach your car, click the unlock button and nothing happens ...

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 ...

To change the battery in the Tesla Model X key fob battery, you’ll need to pop the back piece off of the key fob, this can be done by using your fingernail, screwdriver, or really anything that can ...

SAN ANTONIO – 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 ...

Push in the button on the side of your Smart Key, and pull the tab holding in your emergency (manual) key. This allows you to unlock the car if your Smart Key's battery is flat. Once you remove the ...

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, ...

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. The days of replacing a car key by having an ...