After a couple of hours using dashcam, it stops working. The "dashcam" icon on the main display now includes an "X" instead of a red dot. Looks like the file system got corrupted. Plugging and re-inserting the drive didn't help. When I swapped in a new drive as the current one, the dashcam icon shows up with a healthy red dot. Here's what MacOS DIsk Utility says: Repairing file system. Volume was successfully unmounted. Performing fsck_msdos -y /dev/rdisk2s1 ** /dev/rdisk2s1 ** Phase 1 - Preparing FAT ** Phase 2 - Checking Directories /TeslaCam/recent-front-2018-10-13_13-41.mp4 has too many clusters allocated (logical=30399291, physical=30539776) Drop superfluous clusters? yes ** Phase 3 - Checking for Orphan Clusters Found orphan cluster(s) Fix? yes Marked 371 clusters as free Free space in FSInfo block (1845657) not correct (1846032) Fix? yes 169 files, 59073024 KiB free (1846032 clusters) ***** FILE SYSTEM WAS MODIFIED ***** File system check exit code is 0. Restoring the original state found as mounted. Operation successful.