Hey just thought I would jump in to say good luck, I just sold my 2000 Alero a month ago. I had a computer in it, but I just went with the 700-IDT for the monitor, I always wanted to custom fab one into the dash but never got around to trying it.
The glue will probably just peel off, but thats ok as long as the glue bonding the pieces isn't peeling off/falling out.
P.S. I bet your car eats brakes, front wheel bearings, and something randomly breaks every ~5k miles, cause I know mine did