Why wrap car keys in aluminum foil?

With the introduction of contactless keys, criminals have had to come up with new ways to steal cars. To prevent this kind of situation, there is a trick that might seem a bit puzzling at first, because it appears to be easy and cheap.
Just cover your car keys with aluminum foil. With the introduction of contactless keys, criminals have had to come up with new ways to steal cars. To prevent this kind of situation, there is a trick that might seem a bit confusing at first, because it appears to be simple and cheap. Just cover your car keys with aluminum foil.

In other words, when you press the button on your car key, it sends out a signal that creates a field of energy spreading out in all directions. In this situation, thieves attempt to catch the signal from the key by making it stronger and using a powerful transmitter to send it to the car. The aluminum foil works as a shield that absorbs the signal from your car key, protecting it from hacking and theft.

More ways to keep your car safe from thieves.