I found Devcon Plastic Welder 22045 works very well for attaching the "mounts" to the panel. Clean off all the old adhesive from the mounts (make sure the holes are clear) and the panel. The panel has small nubs that locate the mounts. I apply some adhesive to the mounts and the panel. You want the adhesive to ooze up through the holes so a "button" will form.
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