Question Mazda 5 (2008) third brake light replacement

[banditgeneral4]

I bought a third brake light to my 2008 Mazda 5. The new one works when plugged in but I can't figure out how to get the old one out. How do I do this to replace?

 

[COLGeek]

See here:

https://www.mazdas247.com/forum/showthread.php?123771251-3rd-Brake-Light