Unsolved Gap between doors not paintable?

I didn't know how to describe this problem in the tittle but let me show you:

I'm creating my first skin, and I have a full layer with the base color and then I painted over the doors. But in the gap, between the doors you can see the base color of the car





What am i doing wrong? Thanks!

 

The gap between the doors isnt on the uv map for skins, you cant really do anything about it.