When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Seems the knob missing from the Nav System has become a problem for several members.
I have done a model and 3D printed a handful in ABS. They are press fit (press, screw, and then press hard) and seem ok on my offline system.
See pics below. You can always post-process (spray filler primer, then sand, and paint).
I think $6 PayPal/Shipped CONUS would cover my costs.
Mods, hope this doesn't run afoul, just offering an item at essentially cost to the community. I will be posting the STL on Thingiverse (free) at some point,
PM me if interested.