Tesla Inc. was told to pay $243 million in a lawsuit over a 2019 Autopilot crash in Florida that killed a young woman and seriously injured her boyfriend, the first significant court loss for the automaker in litigation related to its driver-assistance technology.

A Florida jury has found Tesla partially liable in a fatal crash involving its Autopilot system, ordering the Elon Musk-owned company to pay $329 million in damages. The verdict marks a major legal blow for Tesla and a significant moment in the broader debate over the safety of autonomous driving technology.