eli5, what does the OD button do on a car and why is it there?

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I’m assuming it’s the overdrive button on the side of my gearshift. 2012 Nissan Altima, base model. Everything I googled assumes I know more than how to change oil. Thanks in advance!!! 😊

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Anonymous 0 Comments

The best way to use the overdrive button is when your transmission is gear hunting. That’s when your car keeps jumping between driver and overdrive trying to maintain speed when under a loads. You push the button to keep it in drive and that helps prevent heart build up from the transmission shifting back and forth between the two gears.

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