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Second lift gate button on key fob?

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fob liftgate
3K views 9 replies 7 participants last post by  Galladanb 
#1 ·
I just bought a 2012 Acadia SLT1. The key fob has a second lift gate button. I have no clue what it does. The middle lift gate button works perfectly as does the rest of the buttons. I just have no clue what the other button with a lift gate image does. I can’t find any information about it online.
Anybody know?
 
#2 · (Edited)
Seems impossible to have two power liftgate buttons on an Acadia key fob. The 'stock' fob for power liftgate-equipped Acadias has only one.
 
#6 · (Edited by Moderator)
#7 · (Edited)
That second button appears to be for vehicles equipped with a power back glass lock, or open/close actuator. Neither is available on the Acadia - the back glass is stationary. Obviously, it's a universal replacement fob.
 
#9 ·
I see a number of after market FOBs on the usual websites that also have an extra button or two and claim to work with other OEM GM FOBs. I replaced one for another car years ago and it worked ok.
Just no function for the extra button.
 
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