First-hand owner, actual odometer reading, original body panels with multiple touch-up paint repairs.
All our measuring instruments (especially calipers, paint thickness gauges, and refrigerant pressure gauges) are calibrated quarterly according to ISO quality management system requirements to ensure the data we provide you is objective, accurate, and reliable.
Yes, all external lighting sources, including low beams, high beams, fog lights, daytime running lights, reverse lights, and brake lights, are included in the mandatory power-on testing.
It's extremely difficult. Unauthorized modifications can lead to module current overload protection, resulting in a lock. In China, you need to use the factory online engineer account to reprogram it. It's basically impossible to perform online decoding overseas. We strongly warn against blind electrical modifications on modern integrated circuit vehicles.
