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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Cellular System, Entertainment System & Navigation System) >> Diagnostic Information and Procedures >> Radio Displays LOC, LOCKED, or CODE >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, perform radio setup procedure. Refer to Radio Programming and Setup . Verify the radio operates normally and no messages are displyed on the radio.