Toyota recalls 550K vehicles over seat-back locking issue

Core Viewpoint - Toyota is recalling a total of 550,007 vehicles due to a seat-back locking issue that may increase the risk of injury during crashes at higher speeds [1][2][4] Group 1: Recall Details - The recall affects 420,771 Highlander and 129,236 Highlander Hybrid vehicles, all from model years 2021 through 2024 [1][4] - The issue involves second-row seat backs that may fail to lock into position during adjustment, potentially failing to restrain occupants properly [1] Group 2: Notification and Remediation - The National Highway Traffic Safety Administration (NHTSA) will notify all owners of the affected vehicles to return them to a Toyota dealer [2] - Dealers will replace the return springs in the recliner assemblies with improved ones at no cost to the owners [2] Group 3: Additional Recalls - In addition to the current recall, Toyota recalled approximately 141,000 Prius and Prius Prime vehicles last month due to a separate issue where rear doors can unexpectedly open while the car is in motion [4]