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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Cellular, Entertainment, And Navigation System) >> Repair Instructions >> Communication Interface Module Battery Replacement
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Communication Interface Module Battery Replacement

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.
GM5000044Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Communication Interface Module Replacement (Equinox) , or Communication Interface Module Replacement (Terrain with IOS, IOT, IOU) , or Communication Interface Module Replacement (Terrain with IOR) 
1 Communication Interface Module Battery Bolt
Tighten 
2.5 N.m (22 lb in)
2 Communication Interface Module Battery
Procedure 
Perform the backup battery reset. Backup Battery Reset