In this report AAA present the results from a driving study that evaluated the mental demands of simple auditory-vocal vehicle commands using five 2013 and one 2012 model year OEM infotainment systems. Participants in this research completed a series of voicebased music functions and phone dialing tasks while driving an on-road course The results indicate that common voice tasks are generally more demanding than natural conversations, listening to the radio, or listening to a book on tape. However, the data also indicate that, if designed well, these same basic commands can be completed with little error in very few steps, leading to little additional cognitive demand.