AWD Problem on 2004 Buick Rainier

SUV is stuck in AWD and will not return to 2WD. What is the problem and how do I fix this?

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2 answers
Sounds like the transfer case is not responding to your input. Really need to have a shop look at this, because it could be a mechanical or electrical issue or both.

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our rainier did that.......we had to have the differential replaced........thank god we bought the exdended warrenty