1. A vehicle navigation system that generates a text message comprising: an input configured to receive a speech signal corresponding to the text message; a speech recognizer in communication with the input and configured to analyze the speech signal and recognize text of the speech signal; a speech database in communication with the speech recognizer that provides the speech recognizer with samples of recognized digital speech for recognizing the text of the speech signal; a message generator in communication with the speech recognizer that generates the text message based on the text of the speech signal recognized by the speech recognizer; and a transmitter in communication with the message generator and configured to transmit the text message over a network.