My Civic's interior is not holding up to well. The plastic piece between the front and back doors, the piece that the front seat belts are attached to, are separated from the wall of the vehicle. Also my driver seat rocks. Does anyone know how to resolve these two issues? Any help would be greatly appreciated. Thank you.

 

The driver seat issue is in the FAQ's. Please look at the stickied threads.
https://honda-tech.com/zerothread/2200423

 

id try pulling them off and checking if the white clips have came undone from the panels

 

I had the same problem with that piece of trim. I was able to snap it back in after fighting with the rubber trim around it.