The Chevrolet GMC Buick HMI Human Machine Interface 2.5 OEM 2016-2018 is a Communication Control Unit Module designed for direct replacement in vehicles. This module, with the OE/OEM Part Number 84096815, is specifically fit for the right-hand side of the vehicle. Manufactured by Chevrolet, this HMI unit is a crucial component for controlling and displaying information and settings in the vehicle's interior.