Warranty & product support (ownership validation, repairs, replacements, recalls).
Dealer verification & anti-counterfeit/unauthorised-seller checks (flagging suspicious serials, mapping sales regions).
Safety & product improvement (bug fixes, firmware updates, ADAS quality, crash-event analysis, app performance).
Leading brands disclose similar safety/quality uses for dashcam/app data.
Customer analytics (demand by city/vehicle segment), service quality, and legal compliance (tax, accounting, law-enforcement requests).
Marketing (with consent/opt-out): product updates, offers, feedback surveys.