Steering feel provides good road feedback, so that the driver feels what the vehicle is going to do before the actual motion starts. This helps to reduce the effort of the task. We want to achieve a linear vehicle response: if you double the steering wheel angle, you get double the response from the vehicle, making it easy to find the right steering wheel angle in any kind of curve. So the driver doesn't under- or overestimate, and therefore doesn't have to make corrections.
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