What do you mean, Dr. Cha's query failed?

The doctor's inquiry failed because there is no information uploading or docking service for this car.

According to the VIN code entered by the user, Dr. Cha can click Query to inquire about the history report of used car condition, but if there is no transaction record or the whole process is not maintained in the 4s shop, there is no record.

If the information query is successful, it will make a comprehensive expert interpretation of vehicle accident analysis, vehicle condition analysis, mileage analysis and owner's preference analysis, so that users can understand the vehicle situation more intuitively and in detail.

Dr. Cha:

Dr. Cha is a free app for used car trading launched by Beijing cool car Yimei Network Technology Co., Ltd.

Check the history of Dr.' s used car, covering most mainstream brands on the market. The system will analyze the historical car condition report for you in real time, and the expert voice will interpret it one-on-one online.

The vehicle condition report additionally adds historical collision data, integrates data of 4s shops, repair shops, vehicle dealers, main engine factories and accidents, conducts accident investigation from important parts, body appearance and important historical information, and screens hidden accident vehicles.