An input/output device mountable on a vehicle comprising a plurality of displays , the input/output device comprising: a touch panel configured to sense touch input; a haptic module configured to generate a tactile effect on the touch panel ; and at least one processor , wherein the at least one processor is configured to perform the following operations: varying one or more feedback regions on a surface of the touch panel by setting the one or more feedback regions based on a content being displayed on at least one of the plurality of displays ; receiving, through the touch panel , a first touch input at the one or more feedback regions of the touch panel ; and generating, through the haptic module , a tactile effect in response to receipt of the first touch input, characterized in that the operations comprise: receiving, preferably through a communication unit , a first image of a passenger of the vehicle captured by a camera of the vehicle ; and based on the first image, determining a first display of the plurality of displays being viewed by the passenger of the vehicle , and wherein varying the one or more feedback regions comprises: setting the one or more feedback regions based on a content being displayed on the determined first display. a touch panel configured to sense touch input; a haptic module configured to generate a tactile effect on the touch panel ; and at least one processor , wherein the at least one processor is configured to perform the following operations: varying one or more feedback regions on a surface of the touch panel by setting the one or more feedback regions based on a content being displayed on at least one of the plurality of displays ; receiving, through the touch panel , a first touch input at the one or more feedback regions of the touch panel ; and generating, through the haptic module , a tactile effect in response to receipt of the first touch input, varying one or more feedback regions on a surface of the touch panel by setting the one or more feedback regions based on a content being displayed on at least one of the plurality of displays ; receiving, through the touch panel , a first touch input at the one or more feedback regions of the touch panel ; and generating, through the haptic module , a tactile effect in response to receipt of the first touch input, characterized in that the operations comprise: receiving, preferably through a communication unit , a first image of a passenger of the vehicle captured by a camera of the vehicle ; and based on the first image, determining a first display of the plurality of displays being viewed by the passenger of the vehicle , and wherein varying the one or more feedback regions comprises: setting the one or more feedback regions based on a content being displayed on the determined first display. receiving, preferably through a communication unit , a first image of a passenger of the vehicle captured by a camera of the vehicle ; and based on the first image, determining a first display of the plurality of displays being viewed by the passenger of the vehicle , and wherein varying the one or more feedback regions comprises: setting the one or more feedback regions based on a content being displayed on the determined first display. <EOS>