1994 Chevrolet Astro Owner's Manual - Page 147

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, direct sunlight, and extreme heat. If they aren't, they may notoperate properly or cause failure of the tape player. Your tape player should becleaned regularly each monthor after every 15 hours of use. If you notice a reduction in sound quality,try a known good cassette to see if the tape or the player is at fault. If this other cassette has no improvement in sound quality,clean the tape player. Clean yourtape player witha wiping-action, non-abrasive cleaning cassette, and follow the directions provided with it. Cassettes are subject to wear andthe sound quality may degrade over time. Always make sure that the cassette tape is in goodcondition before you have yourtape player serviced.