Pontiac 1997 Grand Am Owner's Manual page 150

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 not operate
properly or may cause failure of 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 a reduction in sound quality, try a
known good cassette to see if it is the tape or the tape
player at fault. If this other cassette has no improvement
in sound quality, clean the tape player.
Cleaning may be done with a scrubbing action,
non-abrasive cleaning cassette with pads which scrub
the tape head as the hubs of the cleaner cassette turn.
Follow these steps to prevent the cassette from being
ejected due to the CUT TAPE DETECTION feature:
1. Turn the radio off and the ignition on.
2. Press and hold the TAPEPLAY button for three
seconds (tape indicator will flash for two seconds).
3. Insert the cleaner cassette (a CD adapter kit may also
be inserted).
The radio will default back to CUT TAPE DETECTION
when the cleaner cassette (or CD adapter kit) is ejected.
You may also choose a non-scrubbing action, wet-type
cleaner which uses a cassette with a fabric belt to clean
the tape head. It may not clean as thoroughly as the
scrubbing type cleaner.
After you clean the player, press and hold EJECT for
five seconds to reset the CLN indicator. The radio will
display
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to show the indicator was reset.
Cassettes are subject to wear and the sound quality
may degrade over time. Always make sure the cassette
tape is in good condition before you have your tape
player serviced.
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