I have a spare from a Sport - same part as an ST - looks like you need to squeeze it just ahead of the small cupholder, and there are 2 tabs with metal clips between the cupholders. 2 tabs w/clips in the front at the top, too. I didn't take this one out, it was laying in the back of the Sport at the salvage yard. I can post a pic if you like.
2 plastic tabs at the rear too.
I used duplicolor hyper silver wheel paint for mine. It matches my wheels and holds up well!
looks good. Did you remove the door pulls to paint them?
Yes, I took them off and scuffed them up with scotch brite, then sprayed them with Bulldog adhesion promoter, then primer, then base and clear. They looked horrible when I got them from the junkyard!