Circuit/System Description
WARNING: This page is about a different car, the 2017 GMC Acadia Limited, 2017 Chevrolet Traverse, and 2017 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
The vehicle navigation radio provides verbal directions to the driver through the radio speakers, The navigation radio receives an audio voice signal from the communication interface module (CIM).