They are not designed to come out.
There used to be a little button on one of the plastic guide holes but not any more.
If you have the anti whiplash that's why
After all that's been covered on this I still can't believe you want to change them
You better check with your insurance company if you are allowed to disarm the anti whiplash system and you want to modify the seat design
LUIGI
Really? I've seen 2018 plate 500s not a panda but same basic car underneeth where the headrest is still removable
they are also removable on my 17 plate tipo