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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 19 (Programming And Setup - All Systems) >> Repair Instructions >> A26 HVAC Controls : Programming and Setup >> Repair Instructions

Repair Instructions

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the repair : Diagnostic Repair Verification

For control module replacement, programming, and setup refer to : Control Module References