Updating a vehicle head unit with content from a wireless device

Abstract

A communications system and method of operating a vehicle multi-tainment unit (VMU) within that communications system is disclosed. The method includes the steps of: (a) establishing a connection between the VMU and a mobile device; (b) retrieving from a cache associated with the VMU user data previously provided by the mobile device; (c) prior to receiving current user data from the mobile device, receiving via the connection recently-used user data from the mobile device; (d) comparing the previously-provided user data and the received recently-used data; and (e) updating the previously-provided user data based on the comparison.

Dependencies are inferred from the claim text.