We maintain an absolute skeptical attitude. In addition to regular visual inspections, we focus on checking for sediment accumulation around the sunroof drainage channels and look for water stains under the A-pillar trim and front floor mats. This is the only effective physical evidence to determine if the sunroof drainage holes are blocked, leading to hidden leaks.

Two separate protections matter: cargo insurance and contractual risk transfer. Cargo insurance: for container or RoRo shipments, buy marine cargo insurance covering total loss and damage, typically 110% of the CIF value (average cost 0.3%–0.8%). Check exclusions — many policies exclude pre-existing damage, so a pre-shipment inspection report is essential to prove the car's condition at loading. Incoterms define who bears risk and cost at each stage: 1. FOB (Free On Board): exporter pays until the car is loaded on the vessel; risk passes to you at that point. You pay ocean freight and insurance. Common and usually cheapest if you have your own freight forwarder. 2. CIF (Cost, Insurance and Freight): exporter pays freight and minimum insurance to your port. Convenient but the insurance coverage is basic — consider topping it up. 3. EXW (Ex Works): you handle everything from the exporter's yard; only choose this if you have a trusted agent in China. Put the agreed Incoterm and port clearly in the contract, and never release final payment before the Bill of Lading is issued.

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.