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Automated vehicles are an active area of research and development. The projected benefits of automated vehicles are many and varied, but so are the concerns over their perceived limitations and challenges. NHTSA is currently interested in learning more about automated driving technologies; and human factors challenges have been identified as a key component of the automated vehicle picture. A driving simulator study is proposed to study transfers of control from high levels of automation to manual control. An independent variable of automation failure is used to study the degree of trust that a driver has, and potentially loses, in the automation. A high fidelity motion base simulator, the NADS-1, is used to capture the 'feel' of riding in an automated vehicle while potentially disengaged completely from the driving and monitoring tasks.