Tesla sells vehicle, original owner doesn't buy FSD. Sells vehicle back to Tesla.
Telsa turns FSD on, maybe as part of the recertification process, and forgets to turn it off.
Telsa resells vehicle to dealer, listed with FSD. Dealer resells to current owner, with FSD.
Systems audit at Tesla reconciles the sales data with the car features data, and rather than just eating their mistake, they turn off FSD.
Tesla sells vehicle, original owner doesn't buy FSD. Sells vehicle back to Tesla.
Telsa turns FSD on, maybe as part of the recertification process, and forgets to turn it off.
Telsa resells vehicle to dealer, listed with FSD. Dealer resells to current owner, with FSD.
Systems audit at Tesla reconciles the sales data with the car features data, and rather than just eating their mistake, they turn off FSD.