Your Model 3 is equipped with a cabin camera located above the rear view mirror.
The cabin camera is not currently active. If used in a future safety feature, Tesla will notify you of its availability through a software update.
Keep the camera lens clean and free of obstructions. Remove any buildup of dirt or dust by occasionally wiping the camera lens with a clean cloth.
Do not use chemical-based or abrasive cleaners. Doing so can damage the surface of the camera lens.