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 will cause serious obstacles. China's foreign exchange controls are extremely strict. If the remittance note and the remitter do not match our declared contract, the bank will reject the transaction (Pending). We will need to spend several days submitting additional explanations to the foreign exchange authority, which will inevitably delay the shipping schedule.

If there is a minor leak in the lines due to bumps, it is possible that the cooling may not work upon arrival. This is a normal physical loss. The cost of vacuuming, pressure testing, and recharging refrigerant at a local auto repair shop is low and is the buyer's responsibility.