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GM's New Key Fob Goes Both Ways: Two-Way Communicator Shows Tire Pressure, Fuel Level, Radio Presets

Through the marvel of two-way radio frequency communication, the General's now got a brand new toy coming your way. It's a — wait for it — hell, give it a drum-roll — key fob! And if we're to believe the hype, it promises to revolutionize your pocket through a breakthrough in miniaturization of both size and costs.…