I finally received an email response about my security screw issue. The person agreed with me that it sounds like the screw is too short, but suggested that I just put in a longer one. I had to reply to him that I liked the Torx screw, as it provides a small amount of security. Replacement would be a pain in the butt, as it requires disassembly of the mount, and would eliminate the security aspect of the "security screw." I asked him if there was any way that they could simply replace the mount. We'll see what he replies. Here is the email he sent me:
Thank you for contacting Garmin International. I would be glad to help
you with this.
I believe I have an understanding regarding the situation you currently
have, but to be sure a video may help (if you do not mind).
Additionally, it may be a case where the screw could unfortunately be
too short. At a local hardware store you should be able to find a longer
screw (M3 x 6mm long screw) which will fit the mount. Please let me know
if this remedies the trouble.
With Best Regards,
Product Support Specialist
913-440-8280 (fax) Att: Matt S, Associate #6042