
The Dashcam unexpectedly closed message almost always points to a storage bottleneck.

Tesla's manual calls for a USB drive that can sustain at least about 4MB per second, and many cheap drives cannot hold that speed.

Tesla's built-in Dashcam is convenient because it uses the car's cameras and needs no extra wiring.

Most new owners treat these as the same thing, but they behave very differently.
Tesla Dashcam icons are small, but they tell you exactly what is going on.

Tesla's built-in viewer is fine, but third-party apps make sorting clips easier on a laptop or phone.