How to adjust the inner character is as follows: steering rod, see the long metal rod that pulls the tire to rotate left and right, and the length can be adjusted. Generally, both sides are the same length.
The inner eight means that the two front wheels are biased towards the center of the axle in the driving direction, which will be seriously worn. The normal ones are parallel. Different from the usual toe angle, it is normal that toe angle leans to the inside in the vertical direction, but the inner character is abnormal.