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The best place to find an answer to your question is OnStar's website.
 

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You mean its not working at all or what missing features?
Maybe youbjust boughtbthis used and it was a previous rental with Onstar delete?
 

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I did. That's how I found out effective Dec 2022 it will no longer be available to me
That's because your '15 Acadia used OnStar via 3g communications. 3g rode off into the sunset to make way for 5g.

Here is everything you need to know................

 

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I did. That's how I found out effective Dec 2022 it will no longer be available to me
Many Onstar functions are no longer available after the mentioned date as indicated above. Even some 4G will no longer function unless the equipment is LTE compatible plus some other technical issues.

Especially, hands free calling was also ended earlier.
 

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Discussion Starter · #10 ·
That's because your '15 Acadia used OnStar via 3g communications. 3g rode off into the sunset to make way for 5g.

Here is everything you need to know................

Thank you so much.
 
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