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.

FOB (Free On Board): Includes the purchase price of the vehicle, transfer fees for registration in China, export license fees, logistics costs for trucking to the port within China, and port handling and customs fees. CIF (Cost, Insurance, and Freight): In addition to FOB, it includes the shipping cost from China to your designated destination port (RoRo or container), as well as cargo insurance during international shipping.

Most leading Chinese brands' car systems support "offline voice commands" (like adjusting temperature and opening windows). However, if recognition fails due to accent or language limitations (only standard Chinese is supported), you can always control it via the physical screen.