it is known to remotely control an automobile component and like devices . however , security , to protect against unauthorized control , and the user &# 39 ; s ignorance of the condition of the remotely controlled component , remain problems . this invention provides a security code mechanism to protect against unauthorized communications from controlling the component ; and two way communications between the user &# 39 ; s remote controller and the component , so that the user is informed of the condition of the controlled component .