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 ...

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 ...

If the battery in the key to your 2018 Chevrolet Spark dies, you can change the battery yourself in a few simple steps. The following instructions explain how to safely change the battery in the Chevy ...

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, ...

Once upon a time, a long, long time ago, you needed to put an actual key into a car's door lock to get in. Today, the doors of most modern cars are unlocked by pressing a button on the key. In some ...

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 ...

If you think you can go to any hardware store to have a new car key cut for a few bucks, you’re still living in the 20th century. Nowadays, when you lose a key or need an extra, you’ll probably have ...

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 ...