1998 Chevrolet Express Van Owner's Manual - Page 159

Tips About Your Audio System Hearing damage from loud noiseis almost undetectable until it is too late.Your hearing can adapt to higher volumes of sound. Sound that seems normal can loud be and harmful to your hearing. Take precautions by adjusting the volume controlon your radio toa safe to sound level before your hearing adapts it. I NOTICE: Before you add any sound equipment to your player, CB radio, mobile vehicle like a tape telephone ortwo-way radio be sureyou can add what you want. If you can, it's very important to do properly. Added sound it equipment may interfere with the operationof your vehicle's engine, Delco Electronics radioor other systems, and even damage them. Your vehicle's systems may interfere with the operation of sound equipment that has been added improperly. So, before adding sound equipment, check with your dealer and sure tocheck Federal rules be covering mobile radio and telephone units. -- -- To help avoid hearing loss damage: or Adjust the volume control to the lowest setting. 0 Increase volume slowly until you hear comfortably and clearly. 3-24