This is the original audio system from a Big Brougham. It was removed about 10 years ago. It worked previously, but I don't have a way to test it now, so its functionality is unknown. Therefore, please consider it as junk. No refunds or returns will be accepted under any circumstances. Cadillac cassette deck, with auto-reverse function, AM/FM tuning. - Brand: Cadillac - Features: Auto-reverse - Type: Cassette deck - Tuning method: AM/FM - Number of buttons: 6 - Model number: 16161516 Thank you for looking.