1998 Oldsmobile Achieva Owner's Manual - Page 143

To help avoid hearing loss or damage: Adjust the volume control to the lowest setting. Increase volume slowly until you hear comfortably and clearly. Care of Your Cassette Tape Player A tape player that is not cleaned regularly can cause reduced sound quality, ruined cassettes or a damaged mechanism. Cassette tapes should be stored in their cases away from contaminants, directsunlight and extreme heat. If they aren't, they may not operate properly or may cause failureof the tape player. Your tape player should be cleaned regularly after every 50 hours of use. Your radio may display CLN to indicate that you have used your tape player for 50 hours without resetting the tape clean timer. If this message appears on the display, your cassette tape player needs to be cleaned. It will still play tapes, but you should clean it as soon as possible to prevent damage to your tapes and player. If you notice areduction in sound quality, try a known good cassette to see if it is the tape or the tape player at fault. If this other cassettehas no improvement in sound quality, clean the tape player. Before you add any sound equipment 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, Delco Electronics radio or other systems, and even damage them.Your vehicle's systems mayinterfere with the operation of sound equipment that has been added improperly. So, before adding sound equipment, check with your retailer and be sure to checkFederal rules covering mobile radio and telephone units. -- -- 3-19