Some used cars are in good condition and their prices are attractive, but the used cars need strong professional knowledge. If you can't understand the tricks, buy an accident car or test drive is depressing. Here are some points to buy. Used car tips. First, check the vehicle license When buying a car, pay attention to checking whether the vehicle's certificate is complete, whether there is arrears or illegal behavior. If the license is incomplete or there are some bad records, you will have a lot of trouble when you go through the relevant formalities after you buy a car. There are many lessons in this respect that are worthy of reference by consumers. 1. The seller’s identity card. By checking the seller’s ID card, it can be determined whether the seller has the right to use and govern the motor vehicle being sold. 2. Motor vehicle driving permit. This is the evidence that motor vehicles have obtained legal travel rights. Proof of registration of the vehicle. Every car on the road will be registered at the local vehicle management office. If necessary, it can be verified by calling the vehicle management office. 3. Proof of the origin of the motor vehicle. That is, the original car purchase invoice, if the original is already a used car, it depends on whether there is a used car purchase invoice, in order to prevent the purchase of improper origin of the vehicle. 4. Motor vehicle number. Mainly to see if there are traces of smearing changes, it should be consistent with the license plate registered on the driving license. The frame number should also be consistent with the number registered on the driving permit. The frame number is usually engraved on the dashboard of the vehicle; the insurance policy is that only the car with insurance may be able to use the car owner when there is a traffic accident. The loss is minimized. In addition, if it is a vehicle with an operational nature, it is also necessary to check whether there is a road transport permit. Finally, it is also necessary to pay attention to some of the tax payment certificate, including road maintenance fee payment certificate, purchase tax, and tax payment certificate for the use of vehicles and boats, whether the engine number, frame number have any traces of amendment, whether it is consistent with the exercise certificate, and whether other documents are Vehicles match. Second, check the condition The residual value of a used car is the vehicle's residual value, which is based on the vehicle's age, maintenance, and performance. You can start from the following points: 1. Finding accident traces and hidden troubles Open the carpet in the car and find out whether the body below is flawed. Look carefully at the door to see if it has been repainted. Any new paint shows that it hides flaws that people do not want to know. See if the entire car line is smooth: because the car is rubbed or collided, the body lines are the least easy to repair. Whether the gap between the components of the vehicle appearance is the same. Check the finish of the paint is even. The sealant on all parts of the body is complete. The original car welding point is complete. 2. Identify the true age of the car Looking at the rubber covering on the pedals, the actual age of the vehicle can be revealed here. The lifespan of a rubber mask is about 30,000 kilometers. Frequently, some people worry that the original owner will falsify on the odometer, and there are ways to check it. You can check the car's recent maintenance invoice or maintenance manual, which should indicate the mileage of the vehicle. 3. Carefully check the degree of tire wear Especially the front wheel. If the pattern is flat, the edge is no longer angular, indicating that the original owner of the habit of driving rough. This not only makes the tire itself unfavorable, but it also reveals that the overall condition of the entire vehicle will be a problem. 4. Body condition Patiently circling around the body for several more turns, carefully observing the edges of the fenders and the axles, looking at the wear and weather of the machine parts. 5. Engine appearance and operation Check the appearance of the engine to identify traces of leaking oil. Ignite the engine and observe the color of the exhaust gas. If the emitted gas is translucent light gray, it indicates a good condition; if it is black, it means that the engine is not adjusted; the blue indicates that the engine is very tired; the white indicates the cylinder head gasket Will be scrapped. 6. Check the driving performance of the vehicle To check the condition of the clutch, teach you a trick to hang the transmission in the third gear instead of the usual one at the start. If the engine is not turned off as usual, the clutch is old. Then drive a ride and wait for the engine to rise to the proper temperature and continue listening carefully to the sound of the engine. Change the speed as often as possible to see how the vehicle responds to acceleration and deceleration. If the car with high speed and the steering wheel shake, it would be bad. In the case of old motor vehicles with long years of purchase, special comparisons of price differences and maintenance costs should be considered. Third, check the vehicle insurance Individuals who are eager to use cars or unit vehicles in order to save costs will take full risks in the first two years of vehicle use. The real test-driver test vehicle has the ability to repair because the new car dealer itself has the ability to repair, and the vehicle is used in a certain area, so it is often not on the all-risk. There are also some accident vehicles, it is because there is no on-foot insurance, an accident occurred when using, facing a large amount of maintenance costs, the owner chose to sell the vehicle. Both of these conditions can also be reflected in the amount of insurance. There is also the possibility that the insurance company can find out the risk situation of the vehicle during the insurance period, and can understand the accident history more thoroughly. Fourth, check the original owner Mainly to check the "motor vehicle registration certificate." The owner's information will be detailed on the registration certificate. This time depends on whether the owner is an individual or an organization. In general, if the vehicle is an individual, the reasons for the sale may be due to financial problems or because the car is mainly a type of immigration abroad. If it is an organization, it is necessary to look closely at which organization is the best to remember the name of the unit, and then go home and use search engines to find out what the unit is doing. In general, vehicle test licenses for new car sales companies will apply for vehicle licenses. It must be clear whether the unit is related to the sales of new cars. In this way, purchase of a test drive vehicle can be avoided to a greater extent. The same age of the car, the technical situation is different, the price difference will be great, a car about 60,000 yuan, up to 1-15 million in the difference. To buy, the key lies in its quality and after-sales service, to the formal second-hand car business unit, through the right channels to buy. As long as the used car is selected, careful observation and careful inspection, especially checking the corners, will surely select a satisfactory used car. 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