Which product holds the Guinness World Record for the 'largest product recall in history' based on the number of units recalled?

The Guinness World Records has documented numerous remarkable achievements in product marketing and sales. From the fastest-selling consumer devices to the most expensive product recalls in history, companies constantly push boundaries that earn them a place in the record books. This trivia question explores an interesting record in the consumer products world that made headlines and set an unprecedented benchmark in retail history.

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Samsung Galaxy Note 7 smartphones (2016)
Toyota vehicles for accelerator pedal issues (2009-2010)
Takata airbags (2013-2020)
Tylenol pain reliever capsules (1982)