Microphone (HFL-navigation)
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
Receives voice commands and transmits them to the audio-navigation unit or HandsFreeLink unit for interpretation. Both system share the same microphone.