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 ...

On your key chain there is a miniaturized computer system that you use every day. It's the little electronic key fob that opens your car door. We take these key fobs completely for granted, but they ...

On modern Chevrolet key fobs, the key itself is used as a tool to help you swap out the old battery for a new one.

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 ...

Q We have a 2010 Nissan Murano with 43,000 miles. Both key fobs work sporadically to open the car. Most of the time, we have to insert the fob into the dashboard key slot to start it. The batteries in ...

Modern car key fobs have changed the way people interact with their vehicles. You no longer need to insert a key or even press a button in some cases. The car simply detects the key nearby and unlocks ...