Index | Symbol | Instructions | Information intensity | R1 | It refers to the prominence degree of color, size, font, line, and other features of the information display that can cause the degree of driver’s attention. The higher the intensity demand, the higher the requirement level for information. | Information timeliness | R2 | It refers to the requirement level for timely information display, including display in advance. The failure to timely display information may cause the driver to make incorrect judgments. The higher the demand for timeliness, the higher the requirement level for information. | Information sustainability | R3 | It refers to the length of time that information is continuously displayed. The longer the information needs to be displayed, the higher the demand level for information. |
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