A display system for a vehicle comprising: a rearview display device being an electrochromic mirror assembly disposed in a passenger compartment of the vehicle, the display device comprising a screen, wherein a microphone array is disposed in the rearview display device, wherein the microphone array is configured to detect speech from the passenger compartment and to identify a region (54a; 54b; 54c) of the passenger compartment from where the speech of an occupant originated; a first imager configured to capture a first image data corresponding to a field of view of the passenger compartment of the vehicle; a second imager configured to capture a second image data corresponding to a rearward directed field of view from the vehicle; and a controller configured to: display the second image data on a second portion of the screen; and detect a display prompt based on detected speech, wherein the display prompt comprises the detected speech of an occupant in the passenger compartment; determine a particular region (54a; 54b; 54c) which the speech originated, wherein the speech is identified by processing frequencies likely to contain human speech; and selectively display a facial region comprising a facial feature from the first image data on a first portion of the screen in response to a detection of the display prompt, the facial region being from the determined particular region. a rearview display device being an electrochromic mirror assembly disposed in a passenger compartment of the vehicle, the display device comprising a screen, wherein a microphone array is disposed in the rearview display device, wherein the microphone array is configured to detect speech from the passenger compartment and to identify a region (54a; 54b; 54c) of the passenger compartment from where the speech of an occupant originated; a first imager configured to capture a first image data corresponding to a field of view of the passenger compartment of the vehicle; a second imager configured to capture a second image data corresponding to a rearward directed field of view from the vehicle; and a controller configured to: display the second image data on a second portion of the screen; and detect a display prompt based on detected speech, wherein the display prompt comprises the detected speech of an occupant in the passenger compartment; determine a particular region (54a; 54b; 54c) which the speech originated, wherein the speech is identified by processing frequencies likely to contain human speech; and selectively display a facial region comprising a facial feature from the first image data on a first portion of the screen in response to a detection of the display prompt, the facial region being from the determined particular region. display the second image data on a second portion of the screen; and detect a display prompt based on detected speech, wherein the display prompt comprises the detected speech of an occupant in the passenger compartment; determine a particular region (54a; 54b; 54c) which the speech originated, wherein the speech is identified by processing frequencies likely to contain human speech; and selectively display a facial region comprising a facial feature from the first image data on a first portion of the screen in response to a detection of the display prompt, the facial region being from the determined particular region.