It depends on the degree of collision of the car shell.

Slight deformation can be adjusted with a frame corrector, and more severe deformations can be solved by replacing the frame. The main thing is to see the effect of the repair. You need to use a four-wheel aligner to measure repeatedly. until precise.

Of course there is no need to consider safety, there will be no problem at all. The 4S store has its own data for each car. Most people will not be able to tell the difference between a repaired car and a new car.

After the frame is damaged, some adverse reactions may occur during driving, which can be judged through test driving. For example, the steering is uneven and unstable; there will be noise from the wheels when driving straight; there are signs of eccentric wear on the tires; uneven steering roll, deviation during braking, etc. Sometimes these reactions are combined, which may be related to the bending of the frame, indicating that there has been an accident.

During static inspection, you can use the following methods: check whether the front and rear wheels on the left and right sides are in a straight line. If it is not a straight line, it means that the overall frame is bent; you can also measure the rear side of each wheel. The gap with the wheel cover should be roughly the same, otherwise it means that the frame or the overall body has signs of bending.