Thieves amplify a vehicle's radio signal to access and copy the key fob signal to steal a vehicle. Here's how to block the signal.

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 key fob quickly and safely.

Watch this video to see how to change the battery in your key fob. How to replace car key battery Most key fobs have a little slot you can use to pop them open with a small flatheaded screwdriver ...

Fig. 4: Transponder communication between key fob and vehicle on LF pins on key fob. RF test The Amplitude Shift Keying (ASK) modulation is used to transmit RF authenticated signal from the key fob to ...

A third test with a key fob for a Subaru showed that the device couldn't reach the vehicle from 20 feet away, but could successfully perform functions from just ten feet away.

The keyless car is a marvel of engineering. But how is it that they can start even when the battery in your key fob goes dead? The answer lies in science.

Think your car will stop if you forget the key fob? Here's what really happens and why, even if the engine keeps running, it could still cause problems later.

How much thought do you pay to your car key fob? This piece of plastic may be little, but can help you do more than just unlocking your car.

Learning how to change the battery in a Toyota key fob isn't difficult. Whether you have a new or old model, we'll show you how to do it step by step.

Something we don’t talk about enough ‘round these parts are key fobs. I’ve either laid eyes on or used pretty much every one of them at this point, which is ...