Use a nailset and a hammer.
How to fix a oval glass plastic door molding.
Should you need to stain the repair or the entire fiberglass door consider minwax gel stain.
If you choose repair over replace try fixing the damage with j b weld waterweld epoxy putty.
How to replace the oval glass in an entry door.
Once dry it may also be painted.
Do all four sides.
Insert the tip of a putty knife between the molding and the frame of the door.
How to replace the oval glass in an entry door.
Insert the tip of a putty knife under the molding.
Lay the tip flat on the glass and push the tip of it under the molding rock it back and forth if necessary to get the tip to penetrate under it.
3 cut the tip off a tube of clear silicone glue using a craft knife.