Your car will know more about your physical well-being than your doctor
Audi’s working on a system that not only monitors your current blood pressure, heart rate, and attention levels based on your driving, but one that takes your past health into account as well, so that it auto-adjust things like the A/C and radio volume to maximize your concentration.
If you think that’s impressive, you should check out this pupil-monitoring system that literally tracks where your eyes are looking and how dilated your pupils are at any point in time. Your car will know long before you do if you’re unfit to drive.
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Aaron Miller is the Cars editor for Thrillist, and can be found on Twitter. He's intrigued by the legal ramifications of a car determining one's fitness to drive.