How does SLR take a clear view of the outside of the car in a moving car?

If the scene is far enough away, the influence of speed will be relatively small, and the general shooting problem is not big.

If it is a relatively recent scene, then a higher shutter speed is needed.

When the shutter speed is limited, we can use focus tracking technology, that is, in the process of pressing the shutter, the camera focus is always on the retrogressive scene and moves with the retrogression of the scene. The photos taken after focusing will blur the close-range dynamics and have special artistic effects.

As for the blur caused by vehicle bumps, there is no way. In addition to increasing the shutter speed as much as possible, we can only count on anti-shake.