Which product recall holds the Guinness World Record for being the largest automotive recall in history?

Product recalls are a critical part of consumer protection, but some have broken records for their scale and impact. The largest product recalls in history have affected millions of consumers worldwide, caused billions in damages, and transformed industry safety standards. Test your knowledge about the most significant product recall in history that earned a Guinness World Record for its unprecedented scale and consequences.

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Toyota's 2009-2011 accelerator pedal recall (9.1 million vehicles)
General Motors' 2014 ignition switch recall (30 million vehicles)
Takata airbag recall beginning in 2013 (100+ million vehicles across 19 manufacturers)
Ford's 1996 ignition switch recall (8.7 million vehicles)