Do car keys work through walls?
Do car keys work through walls? The signal from a fob can pass through doors, windows, and walls, but metal can stop the signal. Some suggest storing your key in the refrigerator or microwave when you get home. Or wrap your key fob in tin foil—wrapped snugly, it could prevent the signal from getting out. Can thieves scan car keys? Thieves manage to open, start and drive away in a car without needing a physical key. They do this by “cloning” the signal from a car's remote key fob in a method known as a relay attack. This uses two...