Question re bed-cab alignment

[Limited Edition]

For those who've removed a bed from a pickup, and pref a 5th Gen, is the bed keyed to the frame to go back on square to the cab or does it need to be adjusted?

 

[Limited Edition]

Answering my own question. I think there's adjustment.

This video is doing what I want to do, except on a Colorado:

And this video suggests that others have done somewhat similar on a DT:

I'm going to try on my 5th Gen this weekend, if it's not too hot.