It mainly consists of two parts: vehicle inspection and data verification.

The first step is to check the vehicle. After cold starting the engine, warm up the car for about 2 minutes. If the engine sound is stable and there are no strange noises, test the vehicle for a short distance. There are no special noises when changing gears. There are no abnormal noises in the car body. The air-conditioning sound Wait until the electronic device is in normal use.

There are no color difference pits on the car body paint, especially the front and rear bumpers, the bottom edge of the car side, the roof and other parts that are easily damaged during transportation. Check the windshield carefully; lift the car and check whether there is any damage to the chassis. Rusted or scratched.