NHTSA to review petition seeking defect probe into 500,000 Tesla vehicles NHTSA to review petition seeking defect probe into 500,000 Tesla vehicles January 17, 2020 dzadmin Comments 0 Comment The petition cites 127 consumer complaints to NHTSA about unintended acceleration in 123 unique vehicles. The reports include 110 crashes and 52 injuries, the agency added. Tesla did not immediately comment.