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.

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.

It is extremely dangerous and usually not allowed. This can easily trigger the anti-money laundering (AML) controls of China's foreign exchange administration. The remittance account title must closely match the contract buyer and the bill of lading consignee. If payment on behalf is necessary, a legally binding "Tripartite Payment Agreement" must be provided in advance and undergo compliance review by our finance department.