We use two steps: 1. Insert a medical-grade endoscope through the spark plug hole to visually inspect cylinder wall scratches and carbon buildup on the piston top; 2. Extract an engine oil sample to check for large metal debris or emulsification (caused by coolant leakage).

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.

We must inform you objectively: Most Chinese car manufacturers' connected services (cloud servers) are restricted by data security regulations and overseas network limitations. Once the vehicle leaves China, the factory-installed SIM card will become inactive. This means that official OTA upgrades and factory mobile app remote controls (like pre-cooling the car or unlocking doors) typically cannot be used overseas. The vehicle will operate as a standalone version, but this will not affect basic driving and physical button functions.