1. A system comprising: a vehicle processor configured with a transceiver and programmed to, in response to a recognized mobile device connected via the transceiver, receive a message requesting human-machine interface (HMI) data for output to a vehicle display; and transmit the HMI data to the mobile device via a bi-directional communication channel formatted for a screen size and resolution of a user interface screen of the mobile device; and receive a parameter adjustment for a parameter associated with the HMI data from the recognized mobile device via a remote procedure call.