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Since the issuance of the SAE Paper 820 487 in Spring 82 some requirements and standards have been either newly issued, amended, changed or updated. Aerodynamic headlamps with replaceable halogen bulbs and center high mounted stoplamps have been introduced to mention some important changes. This presentation is a compilation of the current requirements and standards and shows the status of their harmonizations.

Once optional, flashing turn signals have become standard equipment on motor vehicles around the world. However, distinctness of rear turn signals is often lost when combined in the same compartments with stop lamps of the same size, intensity, color and location. In the U.S., a proposed solution is physically separating the function, while other countries effect separation by color. The SAE is investigating more realistic red/yellow lamp outputs that would permit use of universal lamps, while in Germany, manufacturers have surveyed many experienced American and Canadian drivers to determine preference for the color of these lamps.