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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 185 (Cellular System, Entertainment System And Navigation System) >> Description and Operation >> Navigation System Description and Operation (with CW1) >> Human Machine Interface Module
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Human Machine Interface Module

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

The Human Machine Interface module is responsible for the following: Video for the Infotainment Display, Bluetooth®, USB and speech recognition functions.

The HMI communicates with the Info display and Navigation Control modules via the LIN bus for control information, touch communications and dimming level. Digital video data is sent to the Info display through a dedicated video cable. The Human Machine Interface also receives USB data as well as a MIC input from Navigation Control Module when applicable.

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