In what is likely its largest recall cluster so far this year, General Motors has called back 8.4 million more cars in a single swing, 8.2 million of which are being pulled for “unintended ignition key rotation,” as well as the faulty ignition switch recall that kicked off this year’s record-setting campaign pace, as the Detroit-based company has logged recalls for nearly 30 million vehicles in the first six months of this year. About 7.6 million of those cars are in the United States and are spread over six different recall efforts.

That total figure is more cars than the populations of New Hampshire, Rhode Island, Montana, Delaware, South Dakota, Alaska, North Dakota, the District of Columbia, Vermont, and Wyoming combined, Autoblog reports, for a bit of extra emphasis on just how many units so far fall under a recall campaign of one kind or another this year alone.

“We have worked aggressively to identify and address the major outstanding issues that could impact the safety of our customers,” GM Chief Executive Mary Barra said in the company’s statement. “If any other issues come to our attention, we will act appropriately and without hesitation.” General Motors acknowledged that it is aware of seven crashes, eight injuries, and three fatalities caused by vehicles included in the latest effort.

“We undertook what I believe is the most comprehensive safety review in the history of our company because nothing is more important than the safety of our customers,” Barra added. “Our customers deserve more than we delivered in these vehicles. That has hardened my resolve to set a new industry standard for vehicle safety, quality and excellence.”

The vehicles recalled span back as far as 1997 and up through 2014. In addition to the previously disclosed $700 million write-offs, GM is now looking at $1.2 billion in recall-related charges in the second quarter. The company said that until the ignition recall repairs have been completed, “it is very important that customers remove all items from their key ring, leaving only the vehicle key, and always use their seat belts. The key fob, if present, should also be removed from the key ring.”

The bulk of the vehicles – 7,610,862 in all — were recalled for the faulty ignition problems we’re all well aware of at this point. It covers the 1997-2005 Chevrolet Malibu, 1998-2002 Oldsmobile Intrigue, 1999-2004 Oldsmobile Alero, 1999-2005 Pontiac Grand Am, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, and 2004-2008 Pontiac Grand Prix.

Another ignition-related recall, separate from the previous issue, covers the 2004-2006 Cadillac SRX and 2013-2014 Cadillac CTS for an issue that actually has more to do with the key itself, not the ignition cylinder. In all, 616,179 vehicles in the U.S. were covered for this reason. 

Third, 20,134 North American vehicles consisting of the 2011-2014 Chevrolet Cruze, 2012-2014 Chevrolet Sonic, 2013-2014 Chevrolet Trax, 2013-2014 Buick Encore, and 2013-2014 Buick Verano were reeled in because “insulation on the engine block heater power cord (if equipped) may become damaged during very cold conditions.” Only about 2,990 of these vehicles were in the U.S.

The fourth recall effort covers just 117 vehicles in North America, for units that “may not have had a ‘Superhold’ joint fastener torqued to specification at the assembly plant.” The vast majority of these vehicles, 106 in all, are located in the U.S. This one covers the 2014 Chevrolet Camaro, 2014 Chevrolet Impala, 2014 Buick Regal, and 2014 Cadillac XTS.

Moving along, 12,002 vehicles consisting of the 2007-2011 Chevrolet Silverado HDs and GMC Sierra HDs — both when equipped with the auxiliary battery – in North America are being recalled because “an overload in the feed may cause the underhood fusible link to melt due to electrical overload, resulting in potential smoke or flames that could damage the electrical center cover and/or the nearby wiring harness conduit.” A total of 9,371 of the affected vehicles are located in the United States.

Lastly, the 2005-2007 Buick Raniers, Chevrolet TrailBlazers, GMC Envoys, Isuzu Ascenders, and Saab 9-7Xs, as well as the 2006 Chevrolet TrailBlazer EXT and GMC Envoy XL — 188,705 in all, 181,984 in the United States – are being recalled for “a possible electrical short in the driver’s door module that could disable the power door lock and window switches and, in rare cases, overheat the module.” 

We jokingly have said previously that new CEO Barra was “cleaning house” after inheriting the safety issues in January, but that’s becoming more and more the case as General Motors looks set to start from the ground up and address any possible safety concerns that may be manifesting beneath the surface.