Dual-width steering wheel is almost the same as single-width steering wheel. It was used on early vehicles, but it is difficult to support airbags, so it is difficult to see a dual-width steering wheel in modern cars. However, the two - width steering wheel can still be seen in light trucks.
Three and four steering wheels This is the steering wheel widely used in cars at present. A common feature of the two steering wheels is that there is a large space in the middle for airbags, and from the outside, the three models are dynamic and the four models give a thick feel.