Why you should wrap car keys in aluminum foil

Your car is always listening. Not for your voice, like the Amazon Echo or Siri, but for an electronic signal, such as the coded "unlock" signal from your electronic key fob. If it’s a newer car model, you might not have to press any buttons; just approach your car and the doors will unlock automatically. In some cars, the engine will even turn on.

Kim Komando, Special for USA TODAY

Full Story: http://www.usatoday.com/story/tech/columnist/komando/2015/10/30/why-you-should-wrap-car-keys-aluminum-foil/74781258/