Tesla (TSLA) is currently offering limited Cybercab access in Austin, Texas, though there's lingering questions on safety and profitability of the pedal-less and wheelless vehicle. CFRA's Garrett Nelson talks about Tesla's self-certification process which began a federal investigation, setting the ground for an unclear road ahead. It's a key reason he remains skeptical of the speed Tesla can ramp Cybercab production. Karl Brauer discusses the "two worlds" of autonomous driving through consumer and enterprise consumption.