It’s the same vinyl or not. Some things not mentioned. You have to remove The package tray and the upper seat surround. The headliner is under the package tray.
It’s a paint in the ***. And it will take some time. Also remove some of the metal with the teeth to hold the headliner.
last the headliners get brittle and the material can crack when you try to remove it back there, the sunlight bakes it in the rear window area.