OK.
I exagerated a tad. The OBD3 is still in development stages and testing stages. Supposedly only to check on emissions. But some of the prototypes do transmit wirelessly.
The ones on cars today are somewhat like the "black box" on airplanes but obviously on a smaller scale. It does record speed, braking time, etc. when an accident occurs. That technology is present in some fashion on all new cars today.
Some privacy groups are vigorously opposing any government use other then emissions.
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