WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
Connect the auxiliary HVAC control module electrical connectors.
Install the auxiliary HVAC control module by pushing the control into the console until the retaining tabs snap into place.