Solution to Tesla 'Format USB' Grayed Out issue:
1. On Windows, download / install free software
aomei partition assistant (
Download Magic Free Partition Manager Software - AOMEI Partition Assistant Standard)
2. Open AOMEI Partition Assistant -> locate your USB disk ->
Remove All Partitions ->
Format USB Disk FAT32 (32kb)
3. Close AOMEI Partition Assistant and open Windows File Browser -> USB Disk -> Create folder
TeslaCam
4. Eject USB Disk
5. In Tesla the 'Format USB' button will be enabled, DashCam will launch instantly as expected.
The issue is related to multiple partitions in USB disk (included unallocated partitions or invisible partitions). The solution above worked in latest 2020.36.11 version. Before the
USB partitions deletion/reformat FAT32, tried various suggestions, including Tesla reboot, power off, etc.