Sorry, I’m not sure of the details.

My info came from the forum posts I found while explicitly looking for how to use the cameras as a dashcam a while ago. Some of them linked to the spots in the user manual that mention the 22-second loop, but the manual doesn’t have more info on how the access works. All I really know for sure is “we haven’t figure out how to get to it ourselves” and the rest is what I picked up from those threads.

Presumably, the police need a warrant unless you volunteer it. The insurance company may need to subpoena the footage from you or you may be required to turn it over as a condition of coverage (I have no idea if any company is actually doing this).