Avoid a Crash with Wi-Fi and Circuits.

As the Cadillac CTS I?m sitting in charges across an expanse of black asphalt directly toward a parked car, time stretches out and prompts a mind-sharpening moment. A crash seems inevitable. All of a sudden, the brakes take hold by themselves, and I feel the seat belt draw snug against my chest as we are hauled to a stop, just twenty feet away ? close enough to keep the heart racing.