M. + Acitivity (r.485)
This app unlocks "Maps + Activities" (Garmin Connect IQ):
https://apps.garmin.com/en-US/apps/4bd72b25-02a2-4072-ac4d-783d9ff9171c
Demo video:
https://youtu.be/rpE1hVjQaqo
Make sure the Bluetooth is turned on, and that the devices are correctly syncing via the Garmin Connect Mobile app.