Is one turn of the steering wheel 180 degrees or 360 degrees?

[Isaiah]

One turn of the steering wheel is 360 degrees. When turning the steering wheel, without releasing both hands, it can be rotated 180 degrees to each side. This range of steering is sufficient for most situations. Steering wheel self-centering performance: All motor vehicles, regardless of the type of steering system or whether they have power assistance, should have self-centering capability. This is particularly important while driving, as it's difficult to return to the straight position when stationary, but there should still be some self-centering force. Self-centering principle: Both kingpin inclination and caster angle contribute to the vehicle's automatic self-centering and maintaining straight-line driving. The difference is that the self-centering effect of kingpin inclination is independent of vehicle speed, while the self-centering effect of caster angle is speed-dependent. Therefore, the caster angle's self-centering effect is more significant at high speeds, while the kingpin inclination's effect is more prominent at low speeds.