There's a bill making, or was making, its way through the California legislature that would declare that black box data the property of the vehicle owner. As such any authority or other party wishing to obtain the data would need the owner's permission. I've lost track of the progress of this proposal but I think it was headed to appear on the California ballot as a proposition. If it does, read it carefully and vote that the owner retains this data.
Some information here indicates a rather weak law was passed, didn't realize it was so old: http://www.motorists.org/black-boxes/data-ownership http://www.automotive-fleet.com/blog...-box-data.aspx
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