if setting up dashcam and get 'select accessory' screen and no device shows up:
1-delete garmin drive app
2-delete all devices in Bluetooth from garmin
3-turn Bluetooth off
4-retsart iphone
5-download garmin drive app
6-turn Bluetooth on
6-restart setup in garmin app
totally annoying app from garmin, called garmin and they had no clue how to help, figured out myself....