1. A system comprising: a vehicle controller, a processor, and memory configured to: communicate, via a voice call, between a vehicle computer and a remote server over a secure-authenticated connection established through a wireless phone; deliver and receive navigation data and instructions over a voice channel, using spoken, human-language-based communication generated by the vehicle computer; and utilize a standardized voice, to dynamically interpret, generate, and transmit instructions and data to the server, including both predefined system commands and non-standardized user-input variables broken into individual characters for audio output.