The technician will start the vehicle and turn on the air conditioning system, measuring the actual temperature at the vents at the lowest and highest settings with a thermometer; at the same time, they will connect a manifold pressure gauge to check if the refrigerant pressure in the high and low pressure lines is within the normal range, determining if there is a chronic refrigerant leak.

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.

Internal logistics scheduling uses GPS, but direct access accounts are not open to the public. We implement a "node reporting system": our customer service will proactively send you on-site photos with watermarks at three key points: when the vehicle is loaded onto the trailer, when it arrives at the port for storage, and when customs clearance is completed.