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 ...

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 ...

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 ...

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 ...

If your 2005-2012 Lexus GS’ key fob decided to stop working suddenly, the problem can be its battery that got depleted. Replacing it is very simple and you only need a thin screwdriver and the ...

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 ...

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 ...

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 ...

There’s usually a mechanical key hiding inside the key fob for cars with push-button start systems, so you can still unlock your door if the car battery or your fob battery runs out of juice.

And that’s just for the fob. Add another $50 to $100 to get replacement fobs programmed to work with your car and to have a new mechanical backup key made.

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 ...