It turned out to be pretty simple to do. Remove front panel over headlights by pulling downward. Unscrew ODB2 cable from it's holder:
Plug in the ODBLink LX:
Follow the instructions for setting it up on your phone, then fire up Motoscan ($28 for the "Professional" version) to update the service reminder:
All in all, being able to reset the service reminder costs $118, or about half the cost of just getting the service done. It's probably not worth it for 1-time use, but if you are doing all of your own service, I can see this as a valuable tool. Thanks for the tip!