Remote mechanical assessment relies on documented evidence: 1. Cold-start video: Ask for a video of the engine starting from cold — listen for rattles, watch for smoke (blue = oil burning, white = possible head gasket issue). 2. OBD scan: A full diagnostic scan reveals fault codes in the engine, gearbox, and electronics. Request the raw scan report, not a screenshot summary. 3. Service records: Cross-check mileage against maintenance records and inspection stickers; consistent records indicate a cared-for car. 4. Fluid check: Photos of the oil dipstick and coolant color tell a lot — milky oil or rusty coolant are red flags. 5. Test drive video: A short drive video shows gear shifts, braking, and steering behavior. Combine these with the pre-shipment inspection report. A seller who refuses to provide cold-start video or OBD data is a warning sign.

This is one of the most common post-export surprises, so verify before buying. OTA updates: most Chinese brands push updates to cars registered on domestic servers. Many exported cars continue receiving updates normally, but some brands restrict updates by VIN region once the car leaves China. Ask the seller to confirm the update history and whether the brand officially supports your destination region. Some grey-import cars are stuck on the firmware version they left with. Companion apps: the factory app usually requires a Chinese phone number and a domestic account. After export, remote functions (preconditioning, charging status, location) often stop working or require workarounds. Some owners re-register via third-party services, but this is unofficial and can break at any time. Practical advice: before purchase, get the seller to show a screenshot of the car's current software version and connected services status. Factor in that you may lose remote features permanently, and check whether local dealers or independent shops can perform diagnostics and updates without the official app.

Flood cars are common after heavy rain seasons, and the damage often shows up months later in the wiring and electronics. Here is how to check before you buy. First, ask for the insurance claim history using the VIN. Flood claims are usually recorded, and any mention of water damage, interior drying, or electrical repair should stop the deal. Second, inspect the interior yourself or via video call. Pull up the carpet edges and look for mud residue, water marks, or rust on seat rails and seatbelt buckles. Seatbelts that retract slowly or have a musty smell were often submerged. Third, check hidden cavities: the spare tire well, glove box, and under the trunk lining. Silt or a tide line there is a strong flood indicator. Fourth, look for condensation behind the instrument cluster and inside the headlights. Persistent fog in the lamps is a classic sign of water immersion. Finally, an OBD scan can help: flood cars often store scattered error codes across unrelated modules (airbag, ABS, body control) because corroded connectors corrupt the network. If several of these signs appear together, walk away. Flood damage is almost never worth repairing, and it will haunt the car's electronics for its whole life.