Evaluation of the usability of certain symbols indicating automobile lighting status

The research presented in this document addresses the ability of drivers to understand what information has been by symbols that are used indicate certain status vehicle lights. concept known as usability can be applied extensively ergonomic design and testing a wide range products systems, including cars. In order assess drivers' understanding is exactly describe state lighting system an automobile, test was designed. included 4 symbols, three which were ISO-approved symbols. This study on sample showed represented relatively low, ranging from 41.93% 61.29%. Certain statistical tests allow for prognosis results population level, using data based sample. For purpose, we Z-test proportion. Testing hypotheses yielded even lower values at each tested symbol. Suggestions have made improve type