2004 Chevrolet Tahoe Owner's Manual - Page 291

Rear Seat Audio (RSA) This feature allows rear seat passengers to listen to any of the audio sources: radio, cassette tapes, CDs, or DVDs, depending on your vehicles options. In the event that the front seat passengers are listening to any of these remote sources the rear seat passengers can only listen to the remote source being used by the front passengers or FM, AM, or the radios internal CD. For example, rear seat passengers may listen to cassette tape, CDs, or DVDs through the headphones while the driver listens to the radio through the front speakers. The rear seat passengers have control of the volume for each set of headphones. The front seat audio controls always override the RSA controls. Rear Seat Audio Controls RSA with HVAC Shown, RSA without HVAC Similar 3-135