1. A system for reviewing inputted voice instructions in a vehicle-based telematics control unit located in a vehicle, the system comprising: a microphone for receiving voice instructions from a user; a speech recognition processor coupled to the microphone for generating a voice signal by performing speech recognition processing of the received voice instructions; an output device for outputting the generated voice signal to the user; and a first processor configured to determine if an emergency condition of the vehicle exists, and, if an emergency condition of the vehicle does exist, to prevent the output device from outputting the generated voice signal to the user.