Once the car system (especially in a closed ecosystem) undergoes a major version upgrade, its bootloader is usually locked, preventing downgrades. If this happens, there is basically no solution in an overseas environment. Therefore, we strongly warn: do not blindly insert a USB drive to upgrade while offline.

During the stationary steering test, the technician will check the smoothness of the steering wheel from full left to full right, looking for any unusual noises from the steering gear; they will also inspect the hydraulic power steering pump (if present) and the seals of the steering column for any hydraulic fluid leakage.

Yes, but it will be downgraded. For vehicles that are out of warranty and have no claims records, we will require a more in-depth physical inspection and clearly label the details page as "Data Unavailable" to ensure transparency about the risks. These vehicles typically have a higher price discount.