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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Cellular, Entertainment, And Navigation >> Diagnostic Information and Procedures >> Speaker Malfunction >> Circuit/System Verification

Circuit/System Verification

Radio ON, Rear Seat Audio (RSA) OFF(if equipped), adjust the fade and balance controls on the radio to test all four channels individually. Each of the four channels should produce clear and even sound.