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Human Machine Interface Control Module Replacement

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Human Machine Interface Control Module
GM3220045Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedure

  1. Remove the body hinge pillar garnish molding - right side. Refer to Body Hinge Pillar Garnish Molding Replacement .
  2. Remove the instrument panel compartment. Refer to Instrument Panel Compartment Replacement .
  3. Remove radio bracket fasteners. Refer to Radio Bracket Replacement .
1 Human Machine Interface Control Module

Procedure

  1. Reposition the carpet as needed to allow enough clearance for the module to be removed.
    NOTE:

    Compressing the dash panel inner insulator will be necessary to aid in the removal.

  2. Disconnect the electrical connections.
  3. Slide module downward to release from bracket.
  4. Refer to Control Module References for programming and setup information.