Can anyone tell me what this is?
 

Can anyone tell me what this is - I found it in the car when I got it but not sure if it's from the car...

https://i.imgur.com/oYTnpypm.jpg
https://i.imgur.com/HNkNcC6m.jpg

Rear armrest latch?

Thanks,yes, that might be it. The centre headrest is a little lopsided and the arm rest won't come down. I will get around to it!

I bought a new armrest for my D3 as it was broken when I bought it. Then I realised that the "broken" piece would just clip back on when oriented correctly :ROFL:

Upside to all this staying home is that all the jobs on the long finger are getting done.
I've finally got around to taking out the rear seats and seeing what's wrong with the centre head restraint, and see that on one side, the inner sliding plastic piece slips out of position slightly in relation to the outer piece and stops the outer piece sliding down over it. I'm not sure what I can do about this and I'm also not sure when it's all back in position will I have enough room to be able to reach around with my fingers and ensure the two pieces can slide into each other correctly.

My other problem is that latch piece in the original photo...has anyone replaced theirs? I'm finding it impossible to get it clipped in.