The October crash prompted Cruise to suspend driverless operations nationwide after California regulators found that its cars posed a danger to public safety.In this Jan. 16, 2019, file photo, Cruise AV, General Motor's autonomous electric Bolt EV is displayed in Detroit. of its cars to update software after one of them dragged a pedestrian to the side of a San Francisco street in early October.
In a statement Wednesday, the GM unit said that it did the recall even though it determined that a similar crash with a risk of serious injury could happen again every 10 million to 100 million miles without the update. Problems at Cruise could slow the deployment of fully autonomous vehicles that carry passengers without human drivers on board. It also could bring stronger federal regulation of the vehicles, which are carrying passengers in more cities nationwide.