1997 Pontiac Firebird Owner's Manual - Page 161

Understanding Radio Reception FMSterw FM stereo will give you the sound. But FM signals best will reach only about 10 to 40 miles (16 to 65 km). Tall buildings or hills can interfere with FM signals, causing the sound to come andgo. AM To help avoid hearingloss or damage: Adjust the volume controlto the lowest setting. Increase volumk slowly until you hear comfortably an'dclearly. NOTICE: Before you add any soundequipment to your vehicle like a tape player, CB radio, mobile telephone or two-way radio be sure you can add what you want. If you can, it's very important to do it properly. Added sound equipment may interfere with the operation of your vehicle's engine, Delcoradio or other systems, and even damage them. Your vehicle's sys$ems may interfere with the operation of sound equipment that has beenadded improperly. So, before adding sound equipment, check with your dealer and be sure to check Federal rules covering mobile radio andtelephone units. The range for mostAM stations is greater than forFM, especially at night. The longer range, however, can cause stations to interfere witheach other. AM can pick up noise from things like stormsand power lines. Try reducing the treble to reduce thisnoise if you ever get it. -- -- Tips About Your Audio System Hearing damage fromloud noise is almost undetectable until it is too late. Your hearing canadapt to higher volumes of sound. Sound that seems normal can be loud and harmful to your hearing. Take precautions by adjusting the volume control on your radio to a safe sound level before your hearing adapts to it. 3-22