1. A method of changing features of an existing automatic speech recognition (ASR) system, comprising the steps of: (a) monitoring speech received from a vehicle occupant for one or more keywords identifying a feature to remove from the ASR system; (b) detecting the one or more keywords in the monitored speech; and (c) removing the feature from the ASR system based on step (b) so that the ASR system provides a defined number of features that conform to or match the features also available at a vehicle.