Federal highway safety officials Tuesday night expanded a warning of defective air bags, which are believed to explode during crashes under certain conditions and could be deadly, NBC News reported. Humidity is thought to be a factor. The National Highway Transportation Safety Administration urged owners of affected vehicles to immediately act on recall notices to replace defective airbags made by Takata. The NHTSA first issued a warning on Monday for 4.7 million vehicles in the U.S. The new list expands the number of vehicles to a total of 7.8 million and contains corrections, the agency said. Click through for the updated list of affected models.
