Choosing a reliable second-hand car is not an almost impossible task as we imagine. As long as you master some basic selection techniques, you can still find some clues. Through these details, you have reason to judge. The state of the car, what should you pay attention to when choosing a used car? First of all, to buy a used car is best to go to the regular regular car dealers in the regular used car market to buy, this will not only for your purchase of the vehicle is a certain degree of protection, if the vehicle has a problem, you can also through the used car market Complaints about the complaint process are much more secure than private transactions, and many disputes involving vehicle problems can be avoided. Appearance / static section When we select a used car, the first thing we must look at is the appearance of the vehicle, whether it has been painted, whether it has been bumped, whether parts have been replaced, and so on. For example, it is necessary to note whether the headlights of the vehicle are the same or not. If the appearance of the headlights on one side is very new and the interior is bright, the shade on the other side is yellowish. The headlights have been replaced for some reason, such as a collision, and we need to be careful. Similarly, vehicle taillights can also be judged this way. If the front part of the vehicle has a collision, the 4S shop usually repairs and paints the exterior of the engine when repairing the engine compartment cover. However, the interior of the hatch cover is a place that is easily overlooked by observing the inside of the hatch cover. Whether the edge has repair or paint marks can determine whether the vehicle has a collision accident. It is also possible to determine whether the body structure has been repaired by observing structural components on both sides of the engine compartment of the vehicle. Some used car refurbishment shops will replace the structural parts as a whole, making it difficult for you to judge whether or not the vehicle has collided. In this case, we can judge whether the structure of the vehicle is affected by observing the longitudinal beam of the lower part of the engine compartment. Vehicles that have suffered severe impact on the front end of the vehicle will be replaced by parts of the tank. Newly-changed parts and original parts will be different. The factory-issued parts will often be marked with a lot of informative content and precautions. Newly-changed spare parts will not have so many logos. The most common ones are manufacturers' information and accessories such as fragile stickers. If you find that the tank part of the vehicle is new or has some fragile stickers, it is very likely that this part has been replaced. Generally, if the side of the car body is not affected by the accident, the waist line of the car body will be very smooth. Just like car advertisements, the door gap and sheet metal parts are very neat, and there will be no gaps or gaps between sheet metal parts. If you find that the gaps on the sides of the vehicle are uneven, or there is a significant gap between the sheet metal parts, then it is very likely that the side of the vehicle is hit. Also like the rubber seal on the outside of the door panel, it is also a place to pay attention to. If it is the original door panel, the gap of the sealing strip will generally be very neat, if the sealing strip appears a very inconsistent valgus, or a section of Qi, a section If it is not, then it is possible that the door was repaired. Also on the side of the body, by observing whether there is any trace of displacement of the lock part and traces of paint repair, it can be judged whether the door part has been repaired. Usually only the side is severely collided and this part will be repaired, especially if paint is sprayed. In general, if the side of the vehicle is not collided, the door will close smoothly when you close the door. If the door is repaired, you will find that the door is not closed smoothly or close during the natural closing of the door. In some cases, the door will close, but there will be a gap between the door and the door frame. If the door has been replaced, you can find traces of paint repairs on the edge of the door and the door frame. Finally, observe the degree of tire wear, whether the brand is the same and whether the pattern is the same. If there is any difference, it must be replaced after the vehicle is purchased to ensure the safety of the vehicle. In addition, due to the side of the parking hub is easily damaged by the roadside, especially the hub, tire joints severely damaged, dynamic balance is difficult to repair. Internal/dynamic part After passing a series of appearance inspections, will we be able to conclude that the car has no problem? Obviously it is not enough. We need to feel the reaction of the vehicle on the road through dynamic test drive. If you ask the test drive to be rejected by the merchant after watching the appearance of the vehicle, the editorial suggestion should not consider this car. It is very likely that he is Want to cover up the problems with the vehicle. When consumers look at the interiors, they must check whether the seats and linings are clean and tidy and whether they have been replaced or disassembled; in particular, check the floor of the car to determine if it is a soaking vehicle. In addition, check whether the head restraints and trim pieces in the car are complete; whether each switch is controlled smoothly or not. In addition, consumers can view the vehicle's problems through the in-vehicle lights. Open the key door and observe whether the indicator lamp display is normal and whether there is a lack of display. Most of the current EFI vehicles have fault warning light prompts. When the key door is opened, each indicator light should be on. If there is no indicator light, the vehicle owner is likely to have the fault is not ruled out, and the bulb of the indicator light is intentionally removed. Confused to see and hear. When starting, the engine is easy to start, which can refer to the experience of consumers driving. If the starting sound is heavy, there is a problem with the motor, battery or related machinery. After starting, first check whether the steering wheel (with power assist) is consistent with the strength of the left and right wheels and whether the steering angle is reasonable. In addition, there are different ways of judging depending on the type of transmission. If it is a manual transmission, first determine the clutch plate needs to be replaced by the mileage of the drive and the level of the clutch. Then look at whether the shift is smooth or not. If the shift is not on the block, it means that the synchronizer wears badly and may require maintenance; If it is an automatic transmission, it is mainly determined by whether the automatic transmission shifts smoothly when shifting, and whether there is a strong sense of frustration. In the process of driving, we must pay attention to the location of car noise and the size of the sound, to determine the car's degree of sealing and sound insulation. Also note if there are abnormal sounds in the engine, transmission, and suspension, and if so, you should check the abnormal sounds further. When checking the brake system, it mainly depends on the braking distance of the vehicle and whether the brakes are deviated or not. When the vehicle is braked, the vehicle will be shaken. It is also necessary to pay attention to whether the ABS anti-lock device will be dragged. The quality of the suspension system directly affects the safety of the vehicle. The conventional method is to select a wheel to press down firmly, and then release it to see its reset. If the fluctuation is relatively large, it means there is a problem with the shock absorber. There is no fluctuation in one reset, which means that the state of the shock absorber is still better. If you pass over the hurdle, the car swings like a ship, indicating that the shock absorber has a problem. Vehicle bills The completeness of the formalities also has a great influence on the value of the vehicles. Some key procedures are even greater than the loss of vehicle conditions. The necessary procedures for vehicle transactions are mainly vehicle registration certificates, driving books, purchase surcharges, road maintenance fees, and car purchases. In addition to invoices, non-essential procedures include vehicle maintenance records, insurance policies, etc. Before the sale, it should be confirmed that these procedures for the vehicles are complete and the taxes and fees are complete. If road maintenance fees, purchase surcharges, etc. are missing, they will be deducted from the total vehicle value, and in the future It is more troublesome to re-submit or propose normal payment of taxes and fees. Through the above steps, the inspection of a used car is completed. It is said that buying a car is not a trivial matter. Even a second-hand car consumer must be meticulously treated. The current domestic used car system, market regulations, and operations are still not very mature. The most worrying thing for consumers is to buy an accident vehicle. How to avoid this risk, in addition to finding experts, they must also learn a few more. Those who are ready to purchase used cars must pay more attention. 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