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Curbside Classics Archives
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![Have you ever wondered why modern automatic transmissions all have shift patterns beginning “PRND”? It wasn’t always so — if you’ve driven older cars, you may have noticed that […]](https://i0.wp.com/www.curbsideclassic.com/wp-content/uploads/2025/06/2013-Toyota-Corolla-LE-automatic-shifter.webp?resize=115%2C115&ssl=1 "From NDLR To PRNDL – How One Inventor’s Grudge Against GM Helped To Standardize Transmission Shift Patterns")
From NDLR To PRNDL – How One Inventor’s Grudge Against GM Helped To Standardize Transmission Shift Patterns
Posted on July 6, 2025 | 49 CommentsHave you ever wondered why modern automatic transmissions all have shift patterns beginning “PRND”? It wasn’t always so — if you’ve driven older cars, you may have noticed that […]
