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2020 GMC Terrain 2021 Acadia Denali Ultimate
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Discussion Starter · #1 · (Edited)
Not sure just how it works yet, but the 2021 Acadia Denali has a hidden gem to help control the new 9 speed from upshifting if you enable it, it is called PAL...Performance Algorithm Liftfoot. My dealer didn't know about it either, also
on some Caddys and Corvette? Google it. When enabled it lights up on the dash with a small gear symbol. It only has one small paragraph on it in the 2021 Acadia owners manual, pg 220. Holds a gear up to redline, I think you stab the accel pedal to enable it? Saw a youtube video on it, dealer guy test driving a new Acadia. Can't wait to try it, after break in! And here is the video, does it at about 4:25 into it.

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