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 ...

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 ...

Locked out? Discover how to find your car's physical emergency key, bypass the push-to-start ignition, and get back on the ...

Dear Tom and Ray: How does one change the key fob battery in a 2003 Volkswagen Jetta Sportwagen TDI? Does the remote require a special process in order to be recognized by the Jetta after you’re done?

Most drivers discover their key fob battery is failing at the worst possible moment: standing in a parking lot, pressing the unlock button repeatedly with no response. But modern vehicles are designed ...

TAMPA, Fla. (BLOOM) — You’re rushing to work, the gym, or the grocery store when it happens — you press your key fob, and nothing. No clicks, no unlock, no start. If your car key fob battery has died ...

Key fob batteries always seem to die at the worst times. Learn a simple way to test a coin cell, plus which results you'll need to look for.

Signs that the low temperatures may be affecting a fob include unresponsive buttons, delayed reaction and reduced range. Preventive steps include keeping the fob warm and dry when ...

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, ...