Store cassettes away from extreme heat or direct sunlight. Protect the open ends from dirt or damage. Store cassettes in their original cases or other protective cases. Do not use tapes longer than 60 minutes total length (30 minutes per side) for best results.

Cassettes may be left in the tape player when leaving the vehicle.

The recommended time for cleaning is every 30 hours for best performance and every 50 hours to prevent damage to the tape head. The preferred tape cleaner is available as a part of J 39916-A .

Tools Required

J 39916-A Audio System Diagnostic Kit

•	Important: DO NOT use lubricants in the cassette tape player. Lubricants will cause the tape player to operate improperly, especially at high temperatures. Clean the following at the above mentioned intervals to maintain optimum performance of the cassette deck: The internal tape head

This can be done by inserting a non-abrasive cleaning cassette in place of a conventional cassette tape. The preferred type is available as a part of J 39916-A . Perform this service at the prescribed intervals as described above.