Tesla has posted the agreement that comes with its $29,990 Cybercab, and it’s even worse than the order page suggested. The two-seater can’t move without a $299 monthly “Autonomy Subscription” that Tesla can reprice with a month’s notice, suspend for a week, or cut off entirely. And Tesla wants consumers to sign it while still refusing to give unsupervised self-driving to the Model Y owners it has been selling “Full Self-Driving” to for nearly a decade. What Cybercab owners agree to The “Cyberca...