A human-machine interface for a motor vehicle, comprising: —a command device (1) comprising at least one sensor configured to detect a command without contact by the user, and —a haptic feedback device (2) to control the consideration of said command, characterized in that —the haptic feedback device engages with a component (3) in the motor vehicle passenger compartment, said component being distinct from the command device, —said component being intended to come into contact with a part of in the body (5) of the user in order to perceive the haptic feedback signal.