SAFETY & REGULATORY DEVICES

In the Safety & Regulatory Devices section you'll find tools and technology intended to keep drivers and passengers safe, from car seats and airbags to red-light camera technology.

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How do the automobile ignition keys with chips embedded in them work?

A friend of mine just bought a new car and it has a neat security feature. The ignition key has what looks like a microchip embedded in it. The owners manual says that without this chip the engine either will not start or will start and then die immediately. How does this microchip on the key prevent the engine from starting?

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