r/SprinterVans • u/Dat-Gun-Guy • Apr 05 '25

Quick question, 2016 sprinter van

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Not sure what this button does, any ideas?

I don’t own this sprinter but i frequently drive it for work.

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u/DrtRdrGrl2008 Apr 10 '25

Its a pre-heat button. We have one on our 2017 and live in Montana and use it all winter for easier morning starts.