1997 Buick LeSabre Digital Climate Control

I have a 1997 Buick LeSabre Limited that has a faulty digital climate control. I know of a place that can rebuild it. The only problem is that I have to remove it and send it in for repair. I have tried to take it out ,can't seem to get it out.Is there a certain way this has to be removed ? If anyone can give me some advice on this problem it would be greatly appreciated. Thanx !!!!!