Honda, Nissan, and Toyota are expanding their global Takata airbag inflator recalls to cover millions of additional vehicles.Toyota alone is adding about 5 million vehicles to its campaign globally, and over 600,000 of those are in the US, according to Automotive News. Nissan’s expansion includes an estimated 1.56 million cars worldwide, including about 326,000 in North America, but the exact models from the company are not yet known.According to Automotive News, Honda has also announced plans to increase the scope of its campaign but hasn’t yet disclosed specific models, total numbers, or their location. Company spokesperson Chris Martin tells Autoblog that none of these vehicles are in the US, though.In the US, Toyota is replacing the driver’s side front inflators on 160,000 examples of the 2004 and 2005 RAV4 nationwide. It’s also swapping out the front passenger side parts for 177,000 units of the 2003 and 2004 Tundra (pictured above) and 2004 Sequoia.The automaker is also expanding its regional recalls in high-humidity areas to include the passenger-side inflators of 300,000 more vehicles. In total, the affected models are 2005-2007 model-year Corolla, Matrix, Sequoia, and Lexus SC; plus the 2005-2006 Tundra is included, as well. All of the states that are covered by this campaign are listed in Toyota’s announcement, below.In a statement to Autoblog, Nissan said that it’s currently working with the National Highway Traffic Safety Administration on this campaign. “We expect to have a more formal statement and additional information by Friday, May 15,” the company said.