The days of replacing a car key by having an inexpensive blank copied and cut at a hardware store are pretty much over. Most new cars today come either with a push-button start system or keyless entry ...

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 ...

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 ...

We may receive a commission on purchases made from links. For the sake of convenience, the battery in your car's key fob is designed to last a fairly long time, usually up to around four years. The ...

Keyless entry systems have been a standard feature on many vehicles for the past two decades. For the most part, not a lot has changed with the wireless remotes, known as fobs. They use a microchip ...

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 ...