Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: I/P Center Support Bracket, HVAC Control Module & Screws

Courtesy of GENERAL MOTORS CORP.

Remove the I/P accessory trim plate. Refer to Trim Plate Replacement - Instrument Panel (I/P) Accessory in Instrument Panel, Gages and Console.
Remove the HVAC control module retaining screws.
Pull the HVAC control module out from the I/P center support bracket.

Fig 2: HVAC Control Module & Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the electrical connector from the HVAC control module.
Remove the HVAC control module from the vehicle.